INSECTS

Elm Cockscomb Aphid

Colopha ulmicola

Insects
Elm Cockscomb Aphid, photo 1 of 5
Elm Cockscomb Aphid, Gall
Elm Cockscomb Aphid, photo 3 of 5

True bug in the family Aphididae. Feeds on plants.

There are 26 observations of Elm Cockscomb Aphid in Québec, mostly in Montérégie, Capitale-Nationale and Estrie, and it has been reported in 7 of the 17 regions. They peak in June and July and become rare from September to April.

Similar species