松纵坑切梢小蠹属鞘翅目小蠹科切梢小蠹属,是一种钻蛀树干为害很严重的森林害虫。该虫主要发生在立地条件差、林地卫生条件不好或其它各种原因导致树木生长衰弱的林分。小蠹虫主要包括柏肤小蠹、纵坑切梢小蠹,柏肤小蠹为害侧柏、桧柏等;纵坑小蠹虫主为害油松、黑松等。小蠹虫主坑道为单纵坑与子坑道垂直排列, Pachyrhynchus cochinchus Coleoptera Cotyledon Cochinchinensis, is a kind of forest boring borer damage is very serious forest pests. The insects occurred mainly in poor site conditions, poor health conditions of woodland or other reasons leading to the weak growth of trees stand. Bark beetles include Bark beetles, vertical pit cut beetles, Bark beetles harmful Platycladus orientalis, cypress cypress; vertical pit beetles host pine, black pine and so on. Bark beetle main tunnel is a single vertical pit and sub-tunnel vertical arrangement,