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The Soybean Aphid, Aphis glycines Matsumura, is a severe pest of soybean in most of Asia including China, Japan, the Philippines, and Korea. Its status as a pest in the United States is still unknown, although infestations in Wisconsin, Minnesota, and Michigan caused some damage. The soybean aphid is a small, lime green to yellow aphid which has black coloration on cornicles (tailpipes) and antennae tips. It may produce between 15 to 18 generations per season with damage most prevalent on late planted soybean. Aphid adult and nymphs usually feed on the stems and underside of soybean leaves where they suck plant juices and produce a sticky Ahoneydew.” In addition to direct damage, the soybean aphid is capable of vectoring several soybean diseases throughout Asia. It is unknown whether this aphid will vector diseases in the US. |
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