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我名叫松褐天牛,又名松墨天牛。在我一生中,要经过卵、幼虫、蛹、成虫4个虫期。我在幼虫期蛀食衰弱松树,所以遭受马尾松毛虫危害过的松树往往是我蛀食的现象。我在蛀食松树时,就把松树体的内皮和边材蛀成不规则的扁平坑道,再蛀食木质部,然后松树就会枯死。现在的人们都把我说成是毁灭性的病害——松材线虫病的媒介,这是名副其实的。因为松材线虫是随我(成虫时、即天牛)飞出松树体后,为补充营养从咬破的松树枝伤口侵入松树内所致。尔后,我就在病树上产卵,孵化成的幼虫蛀入松树内,又经过前面我所
My name is Monoceros, also known as Monoceros. In my life, to go through eggs, larvae, pupae, adults 4 stages. I eat the weakest pine in the larvae, so the pines that have been harmed by the dendrolimus punctatus tend to be my eating habits. When I eats pine trees, I bore the inner skin and the sapwood of the pine tree into irregular flat tunnels, eaten the xylem, and the pine trees die. It is true that nowadays people call me a devastating disease - the agent of pine wilt disease. Because the pine wood nematode is with me (adult, that is, Beef cattle) fly out of the pine body, in order to supplement nutrition from bite pine pine wounds invade the pine caused. Later, I spawned in the diseased tree and hatched larvae eroded into the pine tree, passing through the front