Cornicles are very short, rounded, and appear to be lacking. There is an appendage above the cauda giving the aphid the appearance of having two tails. The saliva of this aphid is toxic to the plant and causes whitish striping on cereal leaves.
Cornicles are very short and round, seemingly lacking. An appendage above the cauda makes the aphid look like it has two tails. This aphid's saliva is toxic to plants and results in whitish streaks on cereal leaves.