<P> Due to its nature, being seen as a domestic irritant, Japanese beetle traps have been invented specifically to target the species, of which consists of a pair of crossed walls with a bag or plastic container underneath, and are baited with floral scent, pheromone, or both . However, studies conducted at the University of Kentucky and Eastern Illinois University suggest beetles attracted to traps frequently do not end up in the traps, but alight on plants in the vicinity, thus causing more damage along the flight path of the beetles and near the trap than may have occurred if the trap were not present . </P> <P> These insects damage plants by skeletonizing the foliage, that is, consuming only the leaf material between the veins, and may also feed on fruit on the plants if present . </P> <P> As the name suggests, the Japanese beetle is native to Japan . The first written evidence of the insect appearing within the United States was in 1916 in a nursery near Riverton, New Jersey . The beetle larvae are thought to have entered the United States in a shipment of iris bulbs prior to 1912, when inspections of commodities entering the country began . As of 2015, only nine western US states were considered free of Japanese beetles . Beetles have been detected in airports on the west coast of the United States since the 1940s, but it was not until 2016 that populations were found in suburban and agricultural areas outside of Portland, Oregon . </P> <P> The first Japanese beetle found in Canada was in a tourist's car at Yarmouth, arriving in Nova Scotia by ferry from Maine in 1939 . During the same year, three additional adults were captured at Yarmouth and three at Lacolle in southern Quebec . </P>

Where do japanese beetles live in the united states
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