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Entomology (Study of Bugs)/Datana perspicua danger?

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Question
I have what i think are datana perspicua in my live oak and there are tons. Is there any danger to the oak tree, ive never seen so many and their droppings are covering the ground

Answer
Hi Debra
It depends upon the amount of defoliation. Most  trees can survive defoliation for a season. You may wish to consult a tree service and have the tree sprayed.

They should start pupating soon. Most will not survive to become moths You can spray yourself with an organic product like Cedar oil

Entomology (Study of Bugs)

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Walter Hintz

Expertise

I can answer any questions about insects and spiders.

Experience

I have taught science for over 57 years. I am presently teaching biology at the college level. I have done extensive graduate work in entomology.

Publications
Momentum Magazine The Ohio Journal of Science

Education/Credentials
B.S. In Ed Kent State Unuv M.Sc The Ohio State Univ National Science Foundation Fellowships: Electron Microscopy Univ of California Entomology Kent State Univ

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