noctuid moth larvae that travel in multitudes destroying especially grass and grain
moth whose destructive larvae travel in multitudes
larva of fungus gnat that feed on cereals and other grains; they march in large companies in regular order when the food is exhausted
造句
The extracts of Xanthium sibiricum had insecticidal effect on armyworm. 蒼耳提取物對粘蟲具有一定的殺蟲效果。
On contrast, the anti-feeding effects of the extracts from petroleum ether and ethyl acetate to small vegetable-moth are smaller than those to armyworm. 但對小菜蛾而言，石油醚萃取物和乙酸乙酯萃取物的拒食作用不如對粘蟲作用明顯。