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油菜茎象甲(Ceuthorrhynchus asperRoelofs)是油菜上的主要虫害之一。据报道,该虫在陕西关中、山西南部及我省陇东冬油菜区均有发生,而春油菜上尚未见到详尽的报导。近年来,我省二阴地区春油菜由于品种的更换(以甘蓝型油菜逐步取代芥菜型油菜),此虫已由次要虫害上升为主要虫害,成为当前油菜生产中极待解决的一个突出问题。油菜茎象甲属鞘翅目象甲科。据田间和室内饲养观察,油菜茎象甲在渭源一年发生
Cerahorrhynchus asperRoelofs is one of the major pests on rapeseed. According to reports, the insects in Shaanxi Guanzhong, Shanxi Province and our province Longdong winter rapeseed area have occurred, but the spring rape has not yet seen a detailed report. In recent years, the spring rape in ErYin area of our province has become a major pest in the production of rapeseed due to the change of varieties (the gradual replacement of Brassica juncea with Brassica napus), which has become a prominent problem in current rapeseed production . Cole stems as a Coleoptera is a family of subjects. According to field and indoor feeding observation, rape stem mecca occurred in Weiyuan one year