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Question
Hi. I have a question about silverfish. I am seeing them in the room I rent. It has carpet and an ensuite. At first I would just see them in the ensuite as I turned the light on but now I am seeing them in the main bedroom near to my suitcase which I keep upright on the floor. It isn't a hard shell suitcase so is there any chance the silverfish can get inside? I have a ton of unwashed clothes in there. What conditions do silverfish like? Because its not hot and muggy in here. Its quite cold. I thought they like hot and humid.
I purchased raid ant and roach spray as its also for silverfish but I'm not sure if its done the trick. There are also tiny holes in the wall. Is that caused by them,?

Thank you so much!

Answer
Lisa,

Silverfish prefer damp conditions and the closely related firebrat prefers dry and hot (see http://www.livingwithbugs.com/silverfish_firebrats.html for pictures). Both can cause minor damage to stored papers and other starchy materials but are otherwise harmless. They don't damage walls. I doubt that insecticides will do much good and the sprays can be messy. A dust type botanical insecticide (see page above) might be better.

Jack DeAngelis

Pests

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Jack DeAngelis

Expertise

I can answer questions in any area of entomology (study of insects, spiders, mites, ticks, and other terrestrial arthropods). Contact me about home and garden insects such as aphids and spider mites, insects that bite and sting such as ticks and wasps, and insects that damage homes such as carpenter ants and termites.

Experience

20 years as university extension entomologist, now retired; currently publish a website about home and garden insects.

Organizations
see www.livingwithbugs.com/resume.html

Publications
see www.livingwithbugs.com/resume.html Fine Gardening magazine

Education/Credentials
Ph.D. in Entomology (the study of insects)

Awards and Honors
see www.livingwithbugs.com/resume.html

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