Japanese Longhorned Beetle essays

Japanese Longhorned Beetle essays The beetle that I have chosen is the Japanese Longhorned Beetle, also known as Callidiellum rufipenne. It is a wood bearing beetle our of East Asia origin that was first detected in North America in 1927 at Vancouver, BC, and in Seattle, WA around 1954. In its native atmosphere, the Japanese Cedar Longhorned Beetle is considered a secondary pest, because it only attacks weak, dead, or rotting wood. The genus of the Japanese Cedar Longhorned Beetle, which is Callidiellum, actually contains three different species. In North America its cupressi from coastal California, viridescens from Arizona, and the already mentioned rufipenne. Callidiem rufipenne is known to come from East Asia, ranging from China, Korea, Sakhalin, Japan, and the Ryukyu Islands. Also even found in Taiwan, where the beetle is thought to have been accidentally introduced by some sort human of transportation. Also due to timber import from eastern Asia, species of the beetle were introduced into Italy. In matter of fact many shipments of Japanese cedar were found to have the Japanese Cedar Longhorned Beetle in it, but since the beetle was a secondary pest, it wasnt thought of as a major treat considering a secondary threat meant it only would disturb dying pieces of wood. Unfortunately that wasnt the case at all. Due to the biology of the Callidiem rufipenne, it goes through one generation annually. Adults will emerge from the dead host tree in the spring (early to mid-April), and mate on the surface of the tree trunks of weakened or dying cedar. The females will then lay their eggs in the bark crevices. Their adult life spans range from about 16-18 days. The majority of females, which is about 65%, will begin to lay their eggs as soon as early as 1-3 days after emerging from the tree trunk. The females will lay and average of 18 eggs over about a 14-day period. After all of this most a ...