Soybean aphid: Description

Soybean aphid colony: An apterous soybean aphid, Aphis glycines, colony with a tending ant. (Photo Marlin E. Rice)Soybean aphids: A coloby of apterous soybean aphids, Aphis glycines, on a soybean stem with a tending ant. (Photo Marlin E. Rice)

Soybean aphids are small, green aphids with pear-shaped bodies. They have dark cornicles, or tail pipes, at the end of the abdomen. As with all aphids, they have a piercing-sucking stylet that removes plant phloem.