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Entomology (Study of Bugs)/Small black bugs that bite

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Small black bug with wings
Small black bug with w  

Small black bugs with wings
Small black bugs with  
Hi jack. I have small black bugs with wings that are all over screens of my windows. They have been coming in and biting my daughter who is one. The bites look like Mosquitos and itch her very bad. When I killed it after biting her it smeared black and had some blood in it. Should I be worried? Do you happen to know the type of bug this is? I want to call pest control but also would like to be specific so I will not waste money. Thank you for your help :)

Answer
Crystal,

These look like black flies (see http://www.livingwithbugs.com/black_fly.html for more about these flies). These small flies are extremely annoying biters. They develop in flowing water so if you are near a stream or river that's where they are coming from. Repellents work but screening is the best long-term solution. Post a follow up if you have questions.

Jack DeAngelis

Entomology (Study of Bugs)

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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, insects that bite and sting, 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.

Publications
see www.livingwithbugs.com/resume.html

Education/Credentials
Ph.D. in Entomology

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