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About Jack DeAngelis
(Top Expert on this page)

Expertise
I can answer questions about the control of pest insects, spiders, mites and related arthropods. These household pests include termites, carpenter ants, powderpost beetles, nuisance ants, bed bugs, cockroaches, fleas, wasps, and many others. I can also answer questions about using pesticides and other pest control tools such as baits and traps.

Experience
I am a retired university extension entomologist. I've taught and conducted research in urban and agricultural entomology. I've published over 70 extension publications, 20 research publications and several books about insects.

Education/Credentials
Ph.D. in Entomology

   

You are here:  Experts > Style > Landscaping > Pest Control

Questions Answered By Expert  Jack DeAngelis 
In Category  Pest Control

SubjectDate Asked

Very tiny caterpillar type bug on my walls11/20/2009
  Q: I have been finding extremely small caterpillar type bugs on my walls. They are black and brown and ...
  A: If you are seeing them on the walls there's an infestation nearby. Could be something as simple as ...
Very tiny caterpillar type bug on my walls11/20/2009
  Q: I have been finding extremely small caterpillar type bugs on my walls. They are black and brown and ...
  A: Kristen, This sounds like dermestid larvae. Here's a picture ...
What are they?11/20/2009
  Q: I have these bugs around dusty areas in my room (like under my monitor, behind the desk and other ...
  A: Make sure your old books and documents are properly stored because booklice can damage the glue in ...
What are these long worm like things???11/15/2009
  Q: We live in the DFW TX area and about a month ago I found a bunch of very thin, clear or ...
  A: Michelle, Don't be concerned about these, they are called horsehair worms and are harmless. The ...
small flying bugs11/11/2009
  Q: I live in fort worth tx and have a small, black, flying bug that is all over the outside of my ...
  A: There are many species of planthoppers and many of them are ornate and colorful. Some of the more ...
small flying bugs11/10/2009
  Q: I live in fort worth tx and have a small, black, flying bug that is all over the outside of my ...
  A: Shawn, The picture is a bit too small to see clearly but the shape is that of an insect called a ...
maggots11/9/2009
  Q: We live in Florida and we turn off our A/AC and I notice a foul smell coming from my closet and my ...
  A: Justo, I can't tell for sure what is pictured in the photo because it is blurry. Could you post a ...
wood borers11/7/2009
  Q: what kind of bug/worm? bores holes in wood the size of a pencil lead and piles the sawdust on top of ...
  A: Since this is softwood these are probably the type of powderpost beetle called an anobiid ...
tiny ants by sink/dishwasher/on cupboard11/7/2009
  Q: I have purchased ant bait for sugar and protein ants. It keeps them away for two weeks and then they ...
  A: Diana, I think one of the problems may be the Demand Insecticide. Demand is a good material but in ...
wood borers11/6/2009
  Q: what kind of bug/worm? bores holes in wood the size of a pencil lead and piles the sawdust on top of ...
  A: Stacey, This is a perfect description of a powderpost beetle. The holes and sawdust are made when ...
small ants in basement11/4/2009
  Q: i have an old farm house with a field stone basement wall (that leaks like a siv). this morning i ...
  A: Shawn, There are hundreds of species of ants most of which are small and nest in the soil. Your ...
fleas in house11/3/2009
  Q: How do I get rid of fleas on furniture that cannot be put in washing machines? Is vacuming everyday ...
  A: Amy, Normal vacuuming is sufficient to kill fleas. Be sure to dispose of the dust bag since it may ...
bugs on roll of tape11/2/2009
  Q: we found this roll of tape in my office on the desk- can you help us identify these bugs? thanks!
  A: Carey, These are called aphids and they feed on plants. There are both winged aphids and wingless ...
abandoned wasp nest in house wall11/1/2009
  Q: We came home mid august after being away for 6 weeks. I discovered wasps entering at junction of ...
  A: Richard, Yes. It is entirely possible that you are smelling the decomposing nest. Nests might ...
Ants in our houseplants!10/30/2009
  Q: help! we have ants in our houseplants!!! they are small black ants, in the south we call them ...
  A: Kayla, Small ants like these often build their nests in the pots of house plants because as the ...
termite bonds10/28/2009
  Q: I realized this year that we forgot to renew the bond that was on our house when we bought it 5 ...
  A: Sarah, I'll need to know where you live (state) because termite control varies greatly by region. ...
Mite infestation10/28/2009
  Q: Recently I’ve been noticing small mites on the surface of my desk and more or less everywhere about ...
  A: As you known it can be very difficult to reduce moisture in winter. Central heating is the best way ...
Cockroaches10/27/2009
  Q: Obviously I don't keep my microwave ovens clean enough because roaches keep taking up residence in ...
  A: Jo, Your follow up raises a couple of very interesting points. First, as I think you found out "bug ...
Mite infestation10/27/2009
  Q: Recently I’ve been noticing small mites on the surface of my desk and more or less everywhere about ...
  A: Steven, From your description I think these are one of two critters and both are related to the ...
Cockroaches10/27/2009
  Q: Obviously I don't keep my microwave ovens clean enough because roaches keep taking up residence in ...
  A: Jo, Is this a single family home or some type of commercial building like a restaurant? Cockroaches ...
insect issue10/25/2009
  Q: I have a ton of these little insects around the front of my house. They manage to get into the ...
  A: Randy, These are called boxelder bugs. They are very common nuisance pests in some areas. ...
Bombing due to roaches10/24/2009
  Q: How long do I have to wait to vacuum my carpet once the pest control person has bombed the town ...
  A: Baits are some type food combined with an insecticide. There are baits available in retail stores, ...
Bombing due to roaches10/24/2009
  Q: How long do I have to wait to vacuum my carpet once the pest control person has bombed the town ...
  A: Tosha, If by "bombing" you mean that a total release-type aerosol insecticide was used then you can ...
Pantry Moths10/24/2009
  Q: We have what I have identified as pantry moths. I have literally tossed every bit of food in the ...
  A: Adrienne, I think what you may be seeing is the last of the adult moths that emerged from your ...
wasps in fireplace/chimney10/22/2009
  Q: We have had a wasp infestation and problem coming from our fireplace since we moved in 8 years ago ...
  A: Here's what I think is going on. At the end of summer most social wasp nests die and only mated ...
bed bugs please help10/22/2009
  Q: I think I have bed bugs. I recently got hand me down furniture and now I think we have bed bugs. I ...
  A: Christine, The first thing to do is to confirm that bed bugs are the problem. The only way to be ...
wasps in fireplace/chimney10/21/2009
  Q: We have had a wasp infestation and problem coming from our fireplace since we moved in 8 years ago ...
  A: Angel, A couple of questions - do you get wasps coming out of all three fireplaces every year? Have ...
Possible bed bugs10/19/2009
  Q: I hope you can help ease my mind. I am fearing that I may have bed bugs. I live in a single ...
  A: Maggie, Whatever is causing the blood on the bedding it probably is not from bed bug bites. Bed bug ...
Paper wasps in my home10/17/2009
  Q: We have recently been seeing what I believe are paper wasps in the second story of our house. They ...
  A: Jamine, If you live in a part of the country that freezes in winter the problem will probably ...
pesticide10/15/2009
  Q: You were so helpful with my swarming insect problem. Can you tell me what is the best pesticide to ...
  A: Kay, There are a lot of options for treating termites and most are beyond the capability of ...
insects10/15/2009
  Q: Last night my grandson took a shower in our hall bathroom. When he came out, there were tiny ...
  A: Kay, Without a picture I'm only guessing but I think your son may be right. Ants and termites are ...
insects10/14/2009
  Q: Last night my grandson took a shower in our hall bathroom. When he came out, there were tiny ...
  A: Kay, A couple more questions. Are you sure they have wings? If so, are the wings white or clear? ...
black widow spiders10/14/2009
  Q: we have a black widow in garages and we need to know how to KILL them. have heard they have an ...
  A: Kim, Black widow spiders are susceptible to insecticides. However since this spider is very ...
yellow jackets10/13/2009
  Q: Jack, I have yellow jackets entering into the walls of my Michigan home behind my front porch light. ...
  A: Sheri, Most yellowjacket nests are annual meaning that they start in spring and die off in late ...
skin mites10/11/2009
  Q: I can relate to a previous question about skin or bird mites. I am experiencing the same symptoms. I ...
  A: Cindy, I'm not sure what you mean by "skin mites". There are only a few mites that bite people. ...
Can you ID?10/9/2009
  Q: Can you please tell me what this mystery bug is that I caught crawling out of the heat vent? Thank ...
  A: Michelle, These are silverfish. They are primitive, wingless insects that are fairly common ...
Small black worms in basement stairs10/7/2009
  Q: We live up north and have recently noticed small dark brown or black worms curled up in the basement ...
  A: Bob, I can't see much detail (try without a flash) but the overall shape is correct for a ...
invinsible spiders10/6/2009
  Q: I've been living in this house for about 5 months now. Ever since I moved in here, I've been having ...
  A: Black widow spiders occur in every state but they are very secretive and are rarely seen except in ...
Small black worms in basement stairs10/5/2009
  Q: We live up north and have recently noticed small dark brown or black worms curled up in the basement ...
  A: Bob, These sound like millipedes which feed on organic matter in the soil and are harmless. If you ...
fleas in home we are buying10/5/2009
  Q: going through the process of buying a home & the home inspector noticed bite marks on the back of ...
  A: Deryl, I think the cleaning and carpet removal will be enough. I've not heard of the salt option ...
invinsible spiders10/4/2009
  Q: I've been living in this house for about 5 months now. Ever since I moved in here, I've been having ...
  A: Elsa, Your question raises a couple of excellent points. First, most entomologists (people who ...
Ants in Pet food9/29/2009
  Q: My EDD (engineering design and development) project consists of finding a problem that has to do ...
  A: Ok, I see. Ants could definitely be a problem for pet food left outside because of a behavior in ...
Ants in Pet food9/28/2009
  Q: My EDD (engineering design and development) project consists of finding a problem that has to do ...
  A: Thomas, I think most people will opt for keeping ants out of the house altogether rather than just ...
Cockroaches9/27/2009
  Q: im live in spain and moved to a diferent apartment in feb this year.. have ended up with an ...
  A: Carla, Cockroach infestations are very common in any multi-family building. Older buildings are ...
Tiny black bugs that bite!9/27/2009
  Q: I just read the story by Mazis on 08/21/09, and her story sounded exactly like what I have been ...
  A: Nancy, No-see-ums are also called biting midges. These tiny flies bite and feed on blood much like ...
stubborn ant problem9/24/2009
  Q: I live in Los Angeles. I have had problems with rodents, but never with ants, until now. Starting ...
  A: Roger, What you are describing is a textbook example of a nuisance ant problem. The ants (there are ...
Very tiny black bugs9/24/2009
  Q: We just moved into our home a few months ago. We've noticed these very tiny black bugs. (about the ...
  A: From what you've told me I think the bugs on the back porch are not related to the "bites". These ...
Larvae Formations9/24/2009
  Q: We live in central TN and found these larvae formations around our driveway after heavy rains. ...
  A: Shannon, Good picture. Did you get a close up? These are called fungus gnat larvae and they are ...
Very tiny black bugs9/22/2009
  Q: We just moved into our home a few months ago. We've noticed these very tiny black bugs. (about the ...
  A: Allison, A couple of questions ... since they don't appear to fly does this mean that the ones that ...
Re: large flea-like insects9/22/2009
  Q: I periodically find these large flea-like things in my downstairs bathroom where the cat box is ...
  A: This is not a flea. I'm pretty certain it is a brine shrimp, or some other kind of shrimp. Brine ...
Re: large flea-like insects9/21/2009
  Q: I periodically find these large flea-like things in my downstairs bathroom where the cat box is ...
  A: Deborah, I think these are a type of brine shrimp. Do you live near an inland saltwater lake such ...
fleas in home we are buying9/21/2009
  Q: going through the process of buying a home & the home inspector noticed bite marks on the back of ...
  A: Deryl, Fleas can remain in a home after all pets are removed and bite people. The good news is that ...
dug up lawn9/20/2009
  Q: This morning I noticed an area about 6 x 12 that was dug up. I have the feeling that it is grubs. ...
  A: John, I assume you mean 6x12 inches. Two things are common in this situation. Birds will dig up ...
Ground bees or wasps9/19/2009
  Q: The past two weeks, I noticed a hole in my lawn where yellow jackets were flying in and out.l The ...
  A: Mark, Yellowjacket (Vespidae) nests are often attacked and dug up by skunks and other animals. In ...
What are they?9/18/2009
  Q: I have these bugs around dusty areas in my room (like under my monitor, behind the desk and other ...
  A: Angel, Good picture. These are called psocids, or barklice, or booklice. They are not related to ...
lawn earth mounds9/18/2009
  Q: Ok here goes. I live near Ottawa, Canada. About 1 month ago, earth mounds, roughly 10" in ...
  A: I agree. Your second photo does look more like simple dirt piles. The particles appear too big to ...
lawn earth mounds9/17/2009
  Q: Ok here goes. I live near Ottawa, Canada. About 1 month ago, earth mounds, roughly 10" in ...
  A: Leo, These are too big to be insect-related in any way. My guess is this is a fungus. There are a ...
I want to relocate the bee hives outside my house9/17/2009
  Q: I have a couple hives outside my house and I don't want to kill the bees. I would like to relocate ...
  A: Mike, If these are honey bees you can ask a local beekeeper to move the hives. Contact your local ...
Do I have termites?9/16/2009
  Q: I found about a dozen termites flying around a lamp. I called a pest control company and they ...
  A: Tim, The first question I have is do you live in an area where drywood termites are found? Take a ...
Ants9/15/2009
  Q: Jack, I need to reclaim my yard I think. Over the course of the past few weeks my children have ...
  A: Melanie, There are only two ants in the US that causes any sort of injury when they sting or bite ...
Stink Bugs...Help!9/14/2009
  Q: I am seeing stink bugs around the outside of my house each day and the number seems to be ...
  A: A better approach for the surfaces in direct sunlight might be to spray the bugs themselves with a ...
Stink Bugs...Help!9/14/2009
  Q: I am seeing stink bugs around the outside of my house each day and the number seems to be ...
  A: Microencapsulted is an older term that referred to a type of insecticide formulation that was sort ...
Sealing up wasp nests9/13/2009
  Q: Simply, I've got a wasp nest that is concealed inside an exterior wall of my house and it's in a ...
  A: Joe, Once the weather turns cold the nest will die and be abandoned unless it is one of the ...
Dry wood Termite9/12/2009
  Q: We recently bought a house in Katy, Texas. The previous owner didn't disclose any termite issue, and ...
  A: Flora, These are legal questions that you should ask your lawyer or legal adviser. However, I agree ...
yellowjackets9/11/2009
  Q: Last summer I had a bee control guy spray a yellow jacket nest that was in the exterior wall of the ...
  A: Bill, I think there may be two different things going on. The yellowjacket wasp colony produces ...
Dry wood Termite9/7/2009
  Q: We recently bought a house in Katy, Texas. The previous owner didn't disclose any termite issue, and ...
  A: Flora, I don't think it should matter what time of the year you do structure fumigation for drywood ...
Indian Meal Moths9/6/2009
  Q: What happens if a person, dog or bird accidently eats Indian Meal Moths, their larvae or their ...
  A: Sally, There's no danger whatsoever in eating meal moth larvae. Insect larvae of all types are ...
tiny bug strong bite9/5/2009
  Q: I'm trying to identify a bug that gave me a very painful bite tonight. I was in Connecticut, ...
  A: Nancy, I think you probably encountered a thrips. Thrips (the name thrips is always plural) are ...
Tiny Tiny insects9/4/2009
  Q: DeAngelis, My name is Susan and I live in Chicago, IL. It's been almost one month these insects ...
  A: Susan, I can't see much detail in the photo but your description sounds like a springtail, also ...
getting rid of sandwasps at campsite9/2/2009
  Q: i have a campsite in Maine the whole area is covered in sandwasp nests how do i get rid of them
  A: Bill, I'm not sure there's anything you can do in the short-term (this season). Long-term anything ...
jumping ant-like insect9/2/2009
  Q: We came home to find a sudden infestation on the vertical blinds at our sliding doors. The insects ...
  A: Sue, This one has me stymied. I'd like to see a picture but your best bet may be to take a few to ...
tiny black bug9/1/2009
  Q: We have tiny black bugs that are smaller than what we call 'piss' ants, but they are black and a ...
  A: These sure sound like ants. Ants are the only insects I know of that would behave this way toward a ...
Wasp removal from attic8/31/2009
  Q: I have a large wasp nest in my attic. These are orange/red wasps. I was planning to spray it with ...
  A: Scott, If the attic is vented this should not be a concern. However, for future reference there are ...
tiny black bug8/30/2009
  Q: We have tiny black bugs that are smaller than what we call 'piss' ants, but they are black and a ...
  A: I should have asked this the first time - how many of these are you seeing at one time or even ...
tiny black bug8/30/2009
  Q: We have tiny black bugs that are smaller than what we call 'piss' ants, but they are black and a ...
  A: Lilly, I think these are in fact ants. There are some very small species of ants that occur ...
Bugs at Porch Light8/28/2009
  Q: Is there any way to keep bugs away from a porch light without using a yellow bulb or a bug zapper? ...
  A: Ron, The short answer is the sonic "pest repellers" don't work, indoors or outside. Here's an ...
tiny caterpillar8/26/2009
  Q: This is the second time this summer that we have found a tiny caterpillar crawling on our sheets. ...
  A: Chris, This is a beetle larva, rather than moth larva, possibly a dermestid beetle. Dermestid ...
flea control8/26/2009
  Q: we recently moved and discovered fleas on our dogs. we have lived in the same complex for 6 years ...
  A: I'm glad you're not using Knoxout. Nylar (pyriproxyfen) is a good alternative to methoprene except ...
flea control8/25/2009
  Q: we recently moved and discovered fleas on our dogs. we have lived in the same complex for 6 years ...
  A: Timothy, Let me make a couple points before answering your questions. First, Frontline Plus is very ...
termite treatment issues8/24/2009
  Q: ... So.. here the long and short of it. A while back my home was treated for termites. My living ...
  A: Sam, I don't know if there's any liability here, it would depend on your state laws. I'd contact ...
Fleas8/21/2009
  Q: I recently removed my dog from our home because of his flea problem after flea baths and collars. My ...
  A: Mazis, I'm not sure where to begin but I can tell you that there are no insects and mites that fit ...
Mites?8/21/2009
  Q: How do I get rid of Mites? Is using store bought bug bombs every week going to poison me? I am going ...
  A: Lynn, I'm very sorry you are having these problems. First, and most importantly, applying more ...
Preventative termite treatments8/20/2009
  Q: I have a policy for subterranean termites with a pest management company. The footprint of my home ...
  A: Kim, I'm not aware of any plan to cancel Termidor in Florida or anywhere else. I think this ...
Bedbugs8/19/2009
  Q: I would like some advice with some findings in my home. They have appeared in my dining room, which ...
  A: Dannii, I'm still not sure what this is but it is definitely not bed bugs. In fact I don't think it ...
Bedbugs8/18/2009
  Q: I would like some advice with some findings in my home. They have appeared in my dining room, which ...
  A: Dannii, It is hard to say what these are without a picture but they are probably not bed bugs. You ...
Blue Black Wasp8/17/2009
  Q: Can you help us indentify and exterminate a blue black wasp approximately 2" in length which is ...
  A: Paul, This is a digger wasp (family Sphecidae) and here's a wikipedia page ...
identification of wormlike bug8/17/2009
  Q: Would you try to identify this worm/bug for me please. I have found these one centimeter grey, thin ...
  A: Mj, Thanks for the photo. This is definitely NOT a springtail. It looks like a moth larva. You can ...
identification of wormlike bug8/16/2009
  Q: Would you try to identify this worm/bug for me please. I have found these one centimeter grey, thin ...
  A: Mj, I'm not sure about this id so post a picture if you can. However, your description sounds like ...
Fumigated Car8/14/2009
  Q: I recently got paranoid over a spider bite on my leg. I read George Manning's post on fumigating a ...
  A: Jasmine, I don't know who George is and I wouldn't recommend that foggers or "bombs" be used this ...
Dust Mites8/11/2009
  Q: We have dust mites problems my mother wants to use a bug fogger or bug bomb will this work or is ...
  A: Thomas, Bug 'bombs" and foggers won't work for dust mites and they would definitely be a bad idea ...
Ground bees8/11/2009
  Q: I am avoiding a hole where I see bees going in and out. The hole looks like it was dug by bees. ...
  A: Fred, What most people call "ground bees" are ground-nesting wasps in the family Vespidae ...
bird mites8/9/2009
  Q: I think my dog is itching all the time because of mites. I have not found any fleas on her. I ...
  A: Mel, I really doubt that what you describe is a bird mite problem. Bird mites are only found in ...
ants8/7/2009
  Q: i am being besieged with ants. admittedly, we live on ant hill [palos verdes, ca], and thus, ...
  A: J, If you have a large nest(s) in the walls and/or ceiling there's probably not much you can do ...
ants8/6/2009
  Q: i am being besieged with ants. admittedly, we live on ant hill [palos verdes, ca], and thus, ...
  A: It is very unlikely that large numbers of ants are originating outdoors and finding their way to the ...
ants8/6/2009
  Q: i am being besieged with ants. admittedly, we live on ant hill [palos verdes, ca], and thus, ...
  A: J, It sounds like you have a large nest inside the wall or ceiling. While most ants nest in the ...
paper wasps8/5/2009
  Q: We live in the woods and have a large pond in our backyard that is visited constantly throughout the ...
  A: Kathy, I think what you are experiencing is actually a relatively new species of non-native paper ...
book lice??8/5/2009
  Q: , I have,what |I think and have been told,booklice in my home. I found them one day last week under ...
  A: Booklice are not especially attracted to wood unless it is damp and moldy. Are you sure these are ...
Is this a roach?8/5/2009
  Q: I found this "bug" in my bedroom. It was crawling on the bottom side of my computer desk. I don't ...
  A: Kristy, I can't be sure because the specimen is distorted but this could be a cockroach, perhaps a ...
little brown bug8/4/2009
  Q: we keep finding these little brown beetle, bug in our house. Mainly on the bed, carpet and other ...
  A: Krista, This is a beetle, possibly the anobiid cigarette beetle. These beetles feed on dry food ...
book lice??8/4/2009
  Q: , I have,what |I think and have been told,booklice in my home. I found them one day last week under ...
  A: Libby, Booklice or psocids (not related to true lice) are very common insects that feed on fungi ...
bugs in kitchen and bathroom7/31/2009
  Q: I live in a very old home in north Texas (hour north of Dallas) and I have recently had a large ...
  A: Austin, These are not springtails (which are much smaller). The picture is too fuzzy to see much ...
Termite Prevention7/26/2009
  Q: We purchased our home, newly built, 2 years ago. There is quite a bit of construction going on ...
  A: Vivian, Flying termites are very common at certain times of the year and would not be related to ...
brown insect pest7/25/2009
  Q: For the past month I've been seeing this creature about my home (a third floor, 40-year old ...
  A: Gary, This is a cockroach, probably the German cockroach Blattella germanica. These are very common ...
paper wasp nest7/22/2009
  Q: Its about the size of a football, i see black wasps (i think) flying in and out of it. I was ...
  A: Sam, There are two kinds of wasp nests. Paper wasps make nests that are "open", you can see ...
confused, palmetto bug7/18/2009
  Q: ok so here is what happened. i am staying with my mom in florida and my worst fear came true, ...
  A: Brittany, First let me say that seeing 3 palmetto bugs, also called the American cockroach, in 5 ...
tiny beetles7/15/2009
  Q: I just read a question asked by another person about cigarette beetles (I think that is what they ...
  A: Amy, There are a number of these beetles that all look a bit different. It is easier to consider ...
spiders7/15/2009
  Q: In the last two days I have noticed baby spiders on my ceilings in my bedroom (yuck!) and my front ...
  A: Jill, I'm not clear about the size. Are they "dust-like" or can you see individuals and are able to ...
tiny beetles7/15/2009
  Q: I just read a question asked by another person about cigarette beetles (I think that is what they ...
  A: Amy, Beetles that infest stored foods (there are a number of different species) can get into just ...
Flea-like bugs in kitchen & bathroom7/14/2009
  Q: I have flea-like bugs in the kitchen and around the bathtub. They are black and do indeed 'jump'. ...
  A: Heather, I doubt that these are fleas. If they were fleas you'd be getting flea bites and you ...
Bird Mites7/14/2009
  Q: I hope you can help me. My teenage daughter has a Love Bird in her bedroom which apparently has ...
  A: Connie, Flea foggers and other insecticides won't be very effective for bird mites. You need to ...
insect feces7/11/2009
  Q: I've noticed some black material in only one corner of my bathroom on the floor. It looks like tiny ...
  A: Paul, I don't know, obviously this could be a lot of things. A couple of suggestions, however: ...
Brown House Moth7/9/2009
  Q: For many months now, maybe since around Christmas, I have had a problem with what I think are brown ...
  A: Anna, Brown house moth is a very common household pest that feeds on a variety of natural materials ...
Single Cockroach Question7/9/2009
  Q: It's 2:14am where I am and it just took me 30 minutes to kill a 2-inch long cockroach (not including ...
  A: Nick, No need to panic (I know that doesn't help). This is an American cockroach and they are very ...
Dangers of pest control chemicals?7/7/2009
  Q: I currently have a pest control company come quarterly to the house and spray around the perimeter ...
  A: Michelle, The pest control companies don't like it when I say this but there's no good ...
bird mites7/7/2009
  Q: Its been 2 to 3 weeks since we removed a birds nest on the deck. Since the nest was moved we have ...
  A: Jessica, The short answer is that nest mites should not survive this long in the absence of their ...
Bug ID7/7/2009
  Q: Can you tell me what bug this is and what kills it? I have them all over my cement patio and on the ...
  A: Brian, These are called collembola, or springtails. They live in soil and feed on fungi and organic ...
Bites7/6/2009
  Q: I live in Los Angeles, CA. I have some sort of bites on my torso and thighs that are small and ...
  A: Marina, What you describe sounds like some type of allergic reaction or perhaps a chemical ...
getting rid of june bugs7/6/2009
  Q: We have a HUGE problem with June bugs. They are eating our trees, getting into our house and are ...
  A: Gretchen, There's probably not much you can do this year to reduce the number of beetles but if you ...
moving father7/5/2009
  Q: My father lives in a roach infested trailer and he is moving to clean assisted/independent living ...
  A: Kevin, The bed, chair and canned food can be surface-cleaned and will probably be ok. Since the ...
Termites unknowingly moved to another house7/4/2009
  Q: We are staying in an apartment presently where we have found the white slug like termites eating ...
  A: Tricia, I think the first step should be to get the termites identified as to species because this ...
bed bug pesticide - effect on humans7/3/2009
  Q: Maybe 12 weeks ago we called in a pest control team. They sprayed all around the house, my pillow ...
  A: Charles, I really can't comment on medical issues. However, the statement from the pest control ...
bed bug pesticide - effect on humans7/3/2009
  Q: Maybe 12 weeks ago we called in a pest control team. They sprayed all around the house, my pillow ...
  A: Charles, It is difficult to give advice in this situation because I don't know exactly what has ...
Termites unknowingly moved to another house7/3/2009
  Q: We are staying in an apartment presently where we have found the white slug like termites eating ...
  A: Tricia, I need some additional information to answer this question. Do you know which termite ...
Drain Flies in Crawl Space7/2/2009
  Q: We have drain flies, and the problem has become huge. We previously had some type of small flies ...
  A: Amy, This may be one of the few times I'd suggest using a fogger (total release aerosol ...
Odd bug invading our camper7/1/2009
  Q: We have been attacked by these odd bugs in our camper recently. We live in Mississippi and it has ...
  A: Debra, I think what you have here is a black soldier fly maggot. They are harmless (won't bite or ...
Unknown infestation7/1/2009
  Q: Very many small holes (the size of the head of a straight pin) have been appearing on my clothing ...
  A: Anita, Dust mites don't damage fabrics so these would not be the cause. Most insects that damage ...
Tiny black bugs in kitchen7/1/2009
  Q: I have noticed many black bugs slowly crawling in my pristine kitchen..floor, sink, counters. I ...
  A: Jan, If they are hard and "crunchy" when squished they are probably not collembola which are pretty ...
blue/black wasp7/1/2009
  Q: I live in southwest Louisiana in a double wide mobile home. Underneath my mobile homes skirting ...
  A: Carol, These are probably what's called pompilid wasps or spider wasps. These large wasps are able ...
Ceiling bug?6/30/2009
  Q: I just noticed a circle about the size of a quarter on my ceiling of these tiny black bugs. I wiped ...
  A: Katy, These are newly hatched lepidopteran (moth and butterfly) larvae. They are too small to ...
Unknown infestation6/30/2009
  Q: Very many small holes (the size of the head of a straight pin) have been appearing on my clothing ...
  A: Anita, What sort of fabric are the damaged clothes made from? Wool, silk, cotton, rayon, ...
Bunches of small grey excretions in my couch6/29/2009
  Q: I've noticed on a couple of occasions these small grey excretions (or what looks to be) in the back ...
  A: Renee, I'm not sure what this is but check above this spot for any sign of a hole that might be ...
Tiny black bugs in kitchen6/29/2009
  Q: I have noticed many black bugs slowly crawling in my pristine kitchen..floor, sink, counters. I ...
  A: Jan, I'd need a more complete description to be sure but these may be collembola, also called ...
bird mites6/28/2009
  Q: My boyfriend recently had some birds make a hole in the ceiling of his garage which is also the ...
  A: Lynn, Your diagnosis of bird mites (also called nest mites) is correct. Also, as you say the best ...
Can't identify fleas or gnats - help please6/24/2009
  Q: I have recently noticed a large number of insects on my dinging room floor. The floor is a wood ...
  A: Kandice, I can't enough detail in the image but from your description I think these are collembola, ...
wood insects6/23/2009
  Q: My mother lives in rural New Mexico and relies on wood for heat. Wood is kept in an enclosed wood ...
  A: V., This is the type of powderpost beetle that infests softwoods (like pine and cedar) rather than ...
Carpenter Ants AND Wasp Nest ID6/23/2009
  Q: I have a lake home in Northern MN and in an unattached garage, think I have Carpenter ants. I've ...
  A: Rosie, The continual presence of sawdust is a pretty good indication of an active carpenter ant ...
Re:Could they be gnats?6/23/2009
  Q: Outside my son's bedroom windows is a huge oak tree. Last year we had the tree trimmed because the ...
  A: Sandy, The first step is a capture a few of these gnats so someone can examine them under a ...
Bites6/23/2009
  Q: I just recently came back from a Deer Camp in the Hills of Vermont after spending a weekend there. I ...
  A: Carmen, I doubt that these are insect or mite bites. It is usually pretty easy to catch the culprit ...
identified miniscule pellets found several time on my bedsheets6/21/2009
  Q: Sunday, 20 june, 2009 NYC: As the subject matters outlines, I have found these tiny, ...
  A: J, Your best bet is to take your samples to the nearest Cooperative Extension (Cornell) office ...
Powder Post Beetle6/20/2009
  Q: I'm sorry I am asking for privacy, but as a furniture store owner, I just can't afford to post this ...
  A: Sharlene, When I've seen this done for drywood termites they used the torpedo-shaped propane ...
Termites6/18/2009
  Q: I have been informed that I have termites. I reside in NC. MY worries are if they have done any ...
  A: Cindy, Termite shelter tubes ("tunnels") usually don't appear inside homes unless the infestation ...
Termites - How long does it take to get rid of them?6/18/2009
  Q: I live in Northern Virigina. We found a major termite infestation in our basement this spring. We ...
  A: Cathy, Both insecticides that were used contain the active ingredient imidacloprid. This is a ...
carpenter ants6/18/2009
  Q: I bought a mobile home a year ago in a mobile home park in Michigan their are 2 huge mounds that ...
  A: Lori, Carpenter ants don't make mounds like other ants but instead nest above ground in cavities ...
Reddish Brown Cockroach about 2 inches long6/17/2009
  Q: This is question is similar to ones that I have read but different because I can't seem to find an ...
  A: Matthew, Using the A/C won't make any difference. Cockroaches tend to stay along the edges of rooms ...
Reddish Brown Cockroach about 2 inches long6/17/2009
  Q: This is question is similar to ones that I have read but different because I can't seem to find an ...
  A: Matthew, I think you are correct in your identification based on size alone. The general ...
Termidor6/16/2009
  Q: Recently I had my house treated for ants. The pest control company used termidor sc. They applied 2 ...
  A: Bill, I'm not aware of any particularly toxic aspect of Termidor. Consider that the active ...
Extremely tine black flying insects everywhere6/16/2009
  Q: Dr. DeAngelis my home is on Colorado and on several of my window screens I have sometimes hundreds ...
  A: N, I can't tell from your description exactly what insect this might be. If you are near a body of ...
Bugs6/14/2009
  Q: I was moving and found brown rice looking i think they are bugs I picked one up and squished it and ...
  A: Miendy, These sound like dermestid carpet beetles. Carpet beetles feed on all sorts of natural ...
worm bite?6/14/2009
  Q: I live in Rantoul Il. Every time i come back inside from a walk with my dog, i sit on the couch. i ...
  A: Eleena, Thrips do look like a tan dash. The picture on the page I sent was highly magnified. Thrips ...
worm bite?6/14/2009
  Q: I live in Rantoul Il. Every time i come back inside from a walk with my dog, i sit on the couch. i ...
  A: Eleena, I'm not sure what this is, however it is not a bed bug or dust mite. There are very few ...
Centipede-like Bugs6/13/2009
  Q: I live in Atlanta, GA and have been seeing small centipede-like bugs in my third story bathroom for ...
  A: Amber, This is a centipede but not the house centipede. This species probably came from outside. ...
Centipede-like Bugs6/13/2009
  Q: I live in Atlanta, GA and have been seeing small centipede-like bugs in my third story bathroom for ...
  A: Amber, Yes, a photo would help. You can attach it to a follow up question. There are centipedes ...
insects in the attic?6/12/2009
  Q: I live in NE Louisiana, house is about 30yrs old, brick. In the corner of the living room where the ...
  A: Linda, Carpenter ants can be treated by disrupting the trails the ants use to forage for food. ...
insects in the attic?6/10/2009
  Q: I live in NE Louisiana, house is about 30yrs old, brick. In the corner of the living room where the ...
  A: Linda, One of two different insects usually causes this type of sawdust in this situation. Look ...
termites underground6/10/2009
  Q: my neighbor had a termite infestation one day. She is under contract w/ a termite control company. ...
  A: Nancy, Thanks for the additional information. First, the fact that termites were found at a ...
flying ants or termites??6/9/2009
  Q: I live in MD. Around this time every year, ants come in to the house. We are used to seeing them and ...
  A: Jonathan, If you have other questions it is best to post them under a separate subject otherwise ...
Very tiny black ants (?) in kitchen6/9/2009
  Q: For the past few days, I have had very tiny black bugs that I think are ants. We called them "sugar ...
  A: Erin, All of these small house-infesting nuisance ants (there are many species) can usually be ...
termites underground6/9/2009
  Q: my neighbor had a termite infestation one day. She is under contract w/ a termite control company. ...
  A: Nancy, I'm not entirely sure what your question is but I think you are asking if the fence could ...
biting insect6/8/2009
  Q: I was wondering if you could help me identify a biting insect. It was so tiny i hardly noticed it, ...
  A: Angie, There are a number of small insects that normally prey on other small insects, and even some ...
Moths??6/8/2009
  Q: Last summer, I found many flying insects that I had not previously seen, in my home. When I smashed ...
  A: Connie, What you are describing are called clothes moths and there are a number of different ...
small flying bug with a painful bite6/8/2009
  Q: I live just outside of Boston and recently have noticed (indoors) tiny flying insects that give a ...
  A: Linda, Unfortunately your description does not match anything I'm familiar with. Your best bet may ...
Is this bug bad?6/6/2009
  Q: Could you please tell me what type of bug this is? It is all over my lambs ears. I am concerned that ...
  A: Margaret, This is a four-lined plant bug (Poecilocapsus lineatus, Miridae). These true bugs feed on ...
Termite Eradication6/4/2009
  Q: I love in Southern CA and have a drywood termite infestation that appears to have been "under ...
  A: Sara, In certain climates, such as Southern California, drywood termites can be very damaging. ...
flying ants or termites??6/4/2009
  Q: I live in MD. Around this time every year, ants come in to the house. We are used to seeing them and ...
  A: Jonathan, Let me answer your second question first. There are two types of pest inspectors - those ...
Fungus?5/31/2009
  Q: I just found a slight mound of yellow jelly-like substance, part way into the ground in our garden ...
  A: Margie, Most fungi don't look like mushrooms, only one group does. I'm not familiar with the fungi ...
insect nest?5/31/2009
  Q: I just found a slight mound of yellow jelly-like substance, part way into the ground in our garden ...
  A: Margie, I think this is probably some type fungus rather than an insect nest. There are a number of ...
flies and septic tanks5/31/2009
  Q: Every spring, we can look at the back of our house, on the outside wall and see hundreds of little ...
  A: Lesa, Would it be possible to post a picture? There are many different flies that can aggregate ...
roach in the house ohmy!!5/30/2009
  Q: Jack, Thanks for your time. I live in a wooded area in PA. I have seen large roaches outside on ...
  A: Chris, There are many species of cockroaches but only a few enter homes and become pests. The pest ...
Small wormlike bug on bedroom wall5/28/2009
  Q: I found a bug I've never seen the like of before... The total length was about 1/3 inch, and the ...
  A: Su, I think this is probably a related species called the plaster bagworm. The biology is very ...
spiders5/28/2009
  Q: First, thank you for taking the time to read my question. I live in north Alabama and my house is ...
  A: Steven, My garage is the same way. Unfortunately there's not a lot you can do. However, I've had ...
Small wormlike bug on bedroom wall5/28/2009
  Q: I found a bug I've never seen the like of before... The total length was about 1/3 inch, and the ...
  A: Su, Excellent description and drawing of a casemaking clothes moth larva. Unfortunately there can ...
Strange Flying Insect5/27/2009
  Q: I live in Southwestern Lower Michigan and we found this odd looking UFO in our office. We would ...
  A: Marcena, Sorry. It is a wasp. The long "stinger" is called an ovipositor and is used to place eggs ...
Strange Fly Situation5/26/2009
  Q: Never seent his type of fly. It is larger than an ordinary house fly. It is striped like grey/black ...
  A: Adrienne, There are lots of different flies that look like house flies, some a little larger, some ...
powder-post beetle fumigation5/26/2009
  Q: I have recently purchased a home and had a pest control inspection done in which the inspector ...
  A: Jose, This is a complicated question but I'll try to hit a few of the main points. Powderpost ...
bed bugs?5/25/2009
  Q: I'm trying to figure out if I might have bed bugs in my house (an apartment in dayton, oh). I been ...
  A: Kelly, There are a small number of insects that can cause this kind of reaction, including bed ...
grubs in lawn.5/24/2009
  Q: I have outside animals and cats and dogs. Is there something I can use on the yard to kill grubs ...
  A: Paul, Unfortunately many of these homemade remedies don't work very well and can actually damage ...
please help !!5/22/2009
  Q: I just moved to a new house which was built in the 30's in new york ... the past few nights i keep ...
  A: Lenny, There are only a very small number of insects and mites that actually bite people. Often ...
Weird Bugs5/17/2009
  Q: "I saw the question a woman asked about the bugs on the corner of her ceiling and I have the same ...
  A: Morgan, This is definitely not a bed bug. It is a beetle of some kind but I can't see it clearly ...
wood powder on the window frame5/17/2009
  Q: I noticed that wood powder on the window frame in the kitchen on the first floor. I cleaned it ...
  A: Jitendra, This is an excellent description of carpenter ants trailing outside to collect food and ...
wood powder on the window frame5/17/2009
  Q: I noticed that wood powder on the window frame in the kitchen on the first floor. I cleaned it ...
  A: Jitendra, This is not termites but either powderpost beetles or carpenter ants. You didn't say how ...
black widow5/17/2009
  Q: ok, i know i'm going to sound paranoid, but when i went down to my basement today i swear to god i ...
  A: Sheila, Black widow spiders are very common in some regions but they are also very shy and almost ...
insect5/15/2009
  Q: in bathroom small silver silky insect very fast when moving
  A: Elaine, The only insect I can think that fits your description is a silverfish. Silverfish prefer ...
drain flies5/14/2009
  Q: We have had a problem with drain flies in our house for several years. We have tried the gels in ...
  A: Maureen, Drain flies, also called moth flies, develop in the organic "gunk" that forms in drains ...
Box Elder Bugs5/12/2009
  Q: After they invade your house to STAY through the winter, is there no way of getting rid of them ...
  A: Shannon, Unfortunately there are no good ways to get rid of boxelder bugs once they get into the ...
Fleas5/12/2009
  Q: Okay,, I have a very clean house, and I have NO Pets, yet I keep finding fleas in my bathroom ...
  A: Mike, Are you sure these are fleas? Take a look at this page ...
Clover mites5/5/2009
  Q: Our home is almost 3 years old and each year we have noticed an increase in clover mites on our ...
  A: Steph, I don't know what this "bee spray" is? These mites can also develop on grass so I would cut ...
Clover mites5/5/2009
  Q: Our home is almost 3 years old and each year we have noticed an increase in clover mites on our ...
  A: Steph, Clover mites develop and feed on plants. The mites that enter homes often develop on the ...
OUTSIDE WORMS COMING INSIDE5/5/2009
  Q: I have one inch brown worms with lots tiny legs coming inside from outside. They only come inside ...
  A: Vicki, These are millipedes and they are harmless. They eat organic matter and have probably ...
Microscopic biting bugs5/1/2009
  Q: I keep going out in my yard and getting bitten by these teenie tiny little microscopic creatures. I ...
  A: Monica, There are a number of small insects that will bite (not sting) if they fly into us. There ...
caterpillars4/30/2009
  Q: I live in Corpus Christi, TX and recently i have been finding tiny brown worm like bug in the bed ...
  A: I need a bit more information. What's the difference between the "brown worm like bug" and the ...
Larder Beetles4/29/2009
  Q: I have done my research and found out that I have Larder Beetles in my apartment. Black beetles ...
  A: Tracy, Larder beetles like all "stored product" pests (insects like carpet beetles, meal moths, ...
Ants Chicago4/28/2009
  Q: I have a ento degree from Texas A&M but im unfamiliar with ants species population Chicago ...
  A: Kim Lee Sampson, Sounds like carpenter ants. Carpenter ants are the largest ants in that area. Take ...
RE: Wasp in my home4/28/2009
  Q: After arriving home from work I went to pick something up, in my living room not knowing there was a ...
  A: Melissa, I doubt that 70 degrees is cold enough to immobilize a wasp, however darkness is. When you ...
bed bugs4/25/2009
  Q: I recently moved into a half double that turns out to have bed bugs. I am a single mother on ...
  A: Jeszika, There may be a better way of managing the bed bugs (but heat is not a bad idea). Bed bugs ...
Tent Worm Caterpillars4/25/2009
  Q: I asked a question a couple weeks ago about being over run by some weird worm, and you asked for a ...
  A: Caryn, The safest way to treat young, feeding caterpillars in general is with a microbial ...
Bees4/20/2009
  Q: I have a patio made from 12X12 red bricks with sand between the brinks. There are bees or something ...
  A: Mary, There are many different solitary ground-nesting bees. Usually they pose no threat and most ...
termites4/19/2009
  Q: I am unsure if this is your background but here is our question, We just purchased a home in North ...
  A: Todd, The Formosan termite is a type of subterranean termite. It is a non-native species that is ...
buuuuuuuuuuugs4/18/2009
  Q: We have a uouse in Belize C,A. we have mahogony ceilings on 2nd floor. Theres always fine like saw ...
  A: Salvatore, I don't know this common name (mahogony bug) but these sound like some type powderpost ...
Bugs in house4/10/2009
  Q: I have found these weird small bugs in my house. They are brown/ black (i cant really tell) and they ...
  A: Abigail, This sounds a lot like dermestid carpet beetles. Take a look at this page ...
Little black bugs4/9/2009
  Q: I live in Arizona. I have been infested with some type of tiny black bug throughout my backyard (in ...
  A: Louise, Yes, post a picture if you can. But from your description I'd guess these are collembola, ...

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