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Photo#878631
Beech Blight Aphid - Grylloprociphilus imbricator

Beech Blight Aphid - Grylloprociphilus imbricator
Keel Spring, Stewart County, Tennessee, USA
August 19, 2013
Size: 3 mm
These were very strange. Hiking through deciduous forests, we noticed dirty gray junk on the ground, like wet ashes. These clustered insects were above each area, at various levels. Each colony totally coated a single branch. Their droppings coated leaves and ground alike. The best part was when disturbed, they all waved their abdomens in the air. It was very eerie to watch the fuzzy white branch rippling in the gloomy understory. These were all on Beech trees.

Images of this individual: tag all
Beech Blight Aphid - Grylloprociphilus imbricator Beech Blight Aphid - Grylloprociphilus imbricator Beech Blight Aphid - Grylloprociphilus imbricator Beech Blight Aphid - Grylloprociphilus imbricator Beech Blight Aphid - Grylloprociphilus imbricator

Moved
Moved from Woolly Aphids and Gall-making Aphids. Thanks to your pointer, I was able to track them down. Thanks very much.

Woolly Aphids?
Based on your excellent series of photos, I believe these are woolly aphids.

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