论文部分内容阅读
在黑龙江省各甜菜产区,为害甜菜的切根虫除了白边地老虎、小地老虎及黄地老虎之外,还有黑三条地老虎Euxoa trifurca(Evers-mann)(属鳞翅目、夜蛾科、切根虫亚科)。 该虫分布于黑龙江省的哈尔滨、呼兰、双城、海伦、密山、宝清、林甸、富裕、友谊农场及九三农场等。寄主作物有甜菜、大豆、小豆、玉米、高粱、马铃薯及多种茄科作物。该虫在甜菜幼苗期与白边地老虎混同发生,虽然数量不多,但由于为害期长,为害性较大,因此,也是造成甜菜及其它作物缺苗断垄的地下害虫之一。
In the sugar beet producing areas in Heilongjiang Province, the beetle-cutting rootworm beetles include the white-edge tiger, the small tiger and the yellow tiger, as well as the black-eared tiger Euxoa trifurca (Evershaman) (Lepidoptera, Moth family, cut root worm subfamily). The insects are distributed in Harbin, Hulan, Shuangcheng, Helen, Mishan, Baoqing, Lindian, Wealthy, Friendship Farm and Jiu San Farm in Heilongjiang Province. The host crops are beet, soybean, adzuki bean, corn, sorghum, potato and many solanaceous crops. The insects in the sugar beet seedlings and White Edge tiger confusion occurred, although a small number, but due to the longer duration of damage, more harmful, therefore, is also caused by beet and other crops lack of seedlings ridicule one of the underground pests.