how was the japanese beetle introduced

how was the japanese beetle introduced

Japanese beetles are now established throughout the eastern U.S. and parts of Canada. Originally from Japan and first introduced to the United States in 1910, the beetle has been journeying north ever since. Life Cycle: In most parts of the US, the Japanese Beetle’s life cycle lasts one year. Tiphia vernalis Rohwer was introduced to the United States from Asia in 1915 to control the Japanese beetle and is currently established across much of the pest’s Eastern range, including Ohio, North Carolina, and Tennessee, but as of 2000 was absent in Michigan (Mahr 1999, Cappaert and Smitley 2002, Rogers and Potter 2003). Native to Japan, this beetle is thought to have been introduced to the United States as early as 1916. Adult beetles are about 5 / 8 inch (16mm) long, metallic green with red-brown wing covers, and have a series of white spots along the sides and tip of the abdomen. It now occurs throughout much of the Eastern United States from Maine to … Pupae are cream-colored (sometimes with a red tint) … Before 1912, it was legal to import plants from other countries that were rooted in soil. The Japanese beetle was introduced accidentally into New Jersey from Japan in 1916 and is now widespread over the eastern United States. The Japanese beetle (Popillia japonica) is found throughout most of the eastern US and in parts of the West.It was accidentally introduced from Japan into New Jersey in 1916. Destructive pest of turf, landscape plants, and crops; adults feed on the foliage and fruits of several hundred species of trees, shrubs, vines, and crops, while larvae feed on the roots of grasses and other plants (APHIS 2015) With few natural predators, the beetle has become a major pest for farmers and gardeners alike. Intermittent populations occur in the western U.S. A species profile for Japanese Beetle. More than likely, the grubs of the Japanese beetle came in the soil of Japanese iris roots that were imported. Japanese beetles (Popillia japonica) were unintentionally introduced to the New Jersey area in 1916. The adult has a broad, thick body about 1.3 cm (about 0.5 in) long and is iridescent green, with tan wing covers. The Japanese beetle was introduced into New Jersey around 1911. Although the Japanese beetle is native to eastern Asia, this species was accidentally introduced to the U.S. in 1916. Since their arrival, they've spread throughout approximately 30 Eastern and Midwestern States and are one of the most destructive pests of plants, lawns, and agricultural crops. Since then, readily available food for adults, abundant turf for larvae and low levels of natural enemies have contributed to the buildup and spread of this insect across eastern North America. Japanese Beetle, insect pest of the scarab family. 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