Foxglove Aphid (Aulacorthum solani)

The foxglove aphid is seldom abundant in Ontario.

Identification

Wingless forms. They have a pear-shaped body with prominent, almost parallel, straight-sided antennal tubercles. The body is light yellow-green to dark green or brownish, shiny, usually with darker areas around the bases of the cornicles. The cornicles have dark tips.
Legs and antennae have dark joints.