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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 in the area

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




see Fine Gardening magazine


Ph.D. in Entomology (the study of insects)

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Recent Answers from Jack DeAngelis

2017-01-16 Tiny white/brownish bugs on bags and shoesbox:

Lim,    Yes, these do look like psocids or booklice. The one in Photo 1 appears to have wings (some do some don't) which is why it looks a little different than the earlier photos. These insects are sometimes

2016-10-10 Infested with super tiny bugs on walls:

Jx,    This is called a psocid and they are associated with damp/moldy conditions. They are otherwise harmless but you should make sure that the apartment is as dry as possible. No treatment is needed

2016-09-01 ID Needed:

Josh,    This is a beetle but I can't see enough detail to tell whether or not this is one that occurs indoors as a pest or one that has just entered from outside. Check around areas where food is stored

2016-08-29 what bug is this:

The enlargement is still too blurry to see much detail so the id is the same, drugstore or cigarette beetle, or a species close to this. Exact species id is probably not needed since the treatment (locate

2016-08-29 what bug is this:

Carol,    This is a beetle but the image is so small I can't see enough detail to id further. However, my guess is they are one of the beetles that infest dry foods, including dry pet foods, such as the


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