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Pests/Infestation of insects on and near windows

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Dear Jack,
In the last few months we noticed these tiny insects that are blackish and winged that jump and seem to fly short distances. They congregate mainly on windows, windowsills, and walls near windows but we still find them on a table for example. They seem to have a short life span and we can see that they are coming from outside since there is an inordinate amount of them on the outside of windows. See link of additional photos, please. We appreciate your help! Thank you.
Vanessa

Answer
Vanessa,

I can't see these clearly enough to be certain but they appear to a planthopper (Homoptera). Related insects often migrate in the fall from agricultural fields or orchards. During this migration they can end up on houses. They are harmless and will go away as the weather get cold. If you can get a clear image I'd be glad to take another look to confirm. See http://www.livingwithbugs.com/ec.html for suggestions about photographing insects.

Jack DeAngelis  

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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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