Japanese beetle traps only lure beetles that are already near the yard. What are Japanese Beetles. Japanese beetle adults attack the foliage, flowers, or fruits of more than 300 different ornamental and agricultural plants. Japanese beetles (Popillia japonica) are small insects that carry a big threat. • Adults are best controlled by handpicking or by use of certain insecticide sprays. Not considered picky eaters, Japanese beetles favor over 200 species of plants, but … Anybody who gardens has probably had this experience due to deer, rabbits, voles, moles, molds, Japanese Beetles or other pests. Adult Japanese Beetles measure about 1/2" in length and have shiny bluish green bodies that appear metallic in the sunlight. Looking at defoliated and damaged plants for the rest of the summer and fall can put quite a … Jaw-dropping Facts About Japanese Beetles. During the same year three additional adults were captured at Yarmouth and three at Lacolle in Southern Quebec. If placed next to a rose bush, Japanese beetles will be attracted … The first Japanese beetle found Canada was in a tourist's car at Yarmouth, arriving in Nova Scotia by ferry from Maine in 1939. The adult beetle measures just about 1/2 inch in length. • Japanese beetle larvae are a type of white grub that feeds on the roots of grasses. Attractants lure beetles from no more than 200 yards. Problems can occur when Japanese beetle traps are placed incorrectly. The Japanese beetle is a highly destructive plant pest that can be very difficult and expensive to control. They devour leaves, flowers, fruits of trees and also strip lawns and golf courses off their beautiful grass. Feeding on grass roots, Japanese beetle grubs damage lawns, golf courses, and pastures. Quick Facts • Japanese beetle adults chew flower blossoms and leaves of many commonly grown plants. There are five distinctive tufts of white hairs line each side of the body, and … A species profile for Japanese Beetle. In fact, they are classified as a pest to hundreds of different species. The Japanese beetle is native to the main islands of Japan, and was first discovered in North America in southern New Jersey (USA) in 1916. Japanese Beetles are voracious leaf-feeders and cause damage to a large variety of plants in a homeowner's lawn, landscape and garden. Japanese beetles are gorgeous looking beetles, however, they are very nasty and conduce to widespread destruction. Knowing your enemy is empowering so I have been researching Japanese Beetles, my current nemesis, and here are some interesting facts about their life cycle that help to understand and control them. The copper or bronze colored wings add to this metallic appearance. In fact, Japanese Beetles are known to cause damage to some 300 species of plants, including common ones like roses, birch trees, linden trees and purple-leaf plum trees. 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