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Photo#135572
curious cluster - Longistigma caryae

curious cluster - Longistigma caryae
Audubon, PA; specimens observed on an American sycamore, Montgomery County, Pennsylvania, USA
October 27, 2005

Moved
Moved from Giant Willow Aphid.
American sycamore is not a right host for Tuberolachnus salignus. This species lives on willows. These aphids are Longistigma caryae.

giant willow aphid
T.salignus

 
Thanks so much - I've never s
Thanks so much - I've never seen them so big!

Aphids.
These are aphids. Pretty distinctive coloration, and knowing the host tree helps, too. Someone should be able to give a species ID at some point.

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