大粒横沟象(Dyscerus Cribripennis Matsumuaet ono)属鞘翅目象甲科.据调查,南江有近50个油橄榄种植点,约万株树受害,其中有10余株虫口密度达40头以上,已被害致死.县农场石人山果园370余植梨树全部受害,已干枯死亡近300株大粒横沟象成虫和幼虫都能为害,成虫取食嫩枝、树皮,幼虫蛀茎为害,破坏输导组织,导致株干枯死. Dyscerus Cribripennis Matsumuaet ono is a Coleoptera family, according to the survey, nearly 50 olive planting sites in the South River, about 10,000 trees were affected, of which more than 10 strains of insect population density of 40 or more, has been killed. More than 370 pear trees were damaged in Shiren Mountain orchards orchards, and nearly 300 large-scale transverse ditches were dead and dead. Both adults and larvae were able to cause harm. Adult adults fed on shoots, bark and larvae, , Resulting in dry plant died.