地老虎是阿图什市棉区一种较常见的棉花苗期害虫,一般发生危害期在4～5月之间,4月下旬到5月上旬为初孵幼虫盛发期。初孵幼虫啃食叶肉留表皮,进而咬食叶片,3龄后的幼虫可咬断主茎,每头幼虫一夜可咬断3～5株棉苗,最多可达10株以上,造 The tiger is a more common cotton seedling pest in the city of Atushi. The damage period usually occurs between April and May, and the late-onset larvae emerge from late April to early May. The newly hatched larvae graze on the surface of the epidermis leaves, and then bite the leaves, 3 instar larvae can seize the main stem, each larvae bite off 3 to 5 cotton seedlings per night, up to 10 or more, made