User:Natinsley
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The soybean aphid (Aphis glycines Matsumura) is an insect pest of soybean (Glycine max (L.) Merr.) that is exotic to North America (Ragsdale et al. 2004). The soybean aphid is native to Asia (Blackman and Eastop 2000). It has been described as a common pest of soybean in China (Wang et al. 1962) and as an occasional pest of soybean in Indonesia (Iwaki 1979), Japan (Takahashi et al. 1993), Korea (Chung et al. 1980), Malaysia (Blackman and Eastop 2000), the Philippines (Quimio and Calilung 1993), and Thailand (Paik 1963). The soybean aphid was first documented in North America in Wisconsin in July 2000 (Alleman et al. 2002). Ragsdale et al. (2004) noted that the soybean aphid probably arrived in North America earlier than 2000, but remained undetected for a period of time. Venette and Ragsdale (2004) suggested that Japan probably served as the point of origin for the soybean aphid’s North American invasion. By 2003, the soybean aphid had been documented in Delaware, Georgia, Illinois, Indiana, Iowa, Kansas, Kentucky, Michigan, Minnesota, Mississippi, Missouri, Nebraska, New York, North Dakota, Ohio, Pennsylvania, South Dakota, Virginia, West Virginia, and Wisconsin (Venette and Ragsdale 2004). Together, these states accounted for 89% of the 63.6 million acres (2.58 × 107 ha) of soybean planted in the United States in 2007 (NASS 2008).
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Species: | glycines |