Sow-thistle Aphid

True bug in the family Aphididae. Introduced to Québec. Feeds on plants.

There are 13 observations of Sow-thistle Aphid in Québec, mostly in Montréal, Chaudière-Appalaches and Montérégie, and it has been reported in 6 of the 17 regions. They peak from July to September and become rare from November to June.