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Fall Fund Drive

Black aphids on lettuce - Aphis

Black aphids on lettuce - Aphis
Philadelphia County, Pennsylvania, USA
October 14, 2009
Size: Largest ~2mm
These aphids were extremely common on both wild and cultivated lettuce plants (genus Latuca), even as the weather became cold in October. The individual at upper right is in the process of molting into a winged adult.

Plant: Wild lettuce, Lactuca virosa.

Images of this individual: tag all
Black aphids on lettuce - Aphis Black aphids on lettuce - wing venation - Aphis

Moved from Aphids.

This is another Aphis

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