Schizaphis graminum

The greenbug is a green to yellow-green aphid with a dark green stripe down the middle of its back. It can be distinguished from the Russian wheat aphid by its longer antennae, long tube-shaped cornicles, and the lack of a supracaudal process. Greenbug is most easily confused with the rose-grain aphid. However, the antennae of the greenbug are uniformly dark while those of the rose-grain aphid are darker only at each joint. Rose-grain aphid has eight or more hairs on the cauda while greenbug only has four; a microscope is needed to see these hairs.

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