Subject: Mystery bugs
Location: St Petersburg, FL
April 10, 2016 5:30 pm
Hi— while walking my dog the other day I came across a swarming group of insects on the side of a small tree in the early morning, which included the nymphs. When I returned an hour later to take more photos, they had entirely disappeared. I posted a picture on Instagram and many people were interested in knowing what they could be. An online friend had posted a picture from Tennessee that showed the nymphs w/o any adults. I live in the Tampa Bay Area. Do you have any idea what they are? Many thanks for any help you can provide!
Signature: KARBARG

Tree Cattle

Tree Cattle

Dear KARBARG,
These benign insects are Barklice or Tree Cattle,
Cerastipsocus venosus.  The feed on lichens and do not harm the trees upon which they are found.

Many, many thanks for identifying them. I spotted three more groups this morning on another oak in the neighborhood. I’m very happy to share this information with my Instagram friends ???

Location: St Petersburg, Florida

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