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蜘蛛是棉田棉铃虫、棉蚜的重要天敌,占棉田常见捕食性天敌的58—96%。1979年,我们于过去研究的基础上,除在饶阳县五公系统调查和普查外,还在深县、衡水等县作了一些阶段性调查,并开展了室内外的饲养观察。
Spiders are cotton bollworm, cotton aphid important natural enemies, accounting for 58-96% of the predatory natural enemies of cotton fields. In 1979, on the basis of past research, we conducted some periodical surveys in the counties of Shen and Hengshui except for the investigation and census of the five-member system in Raoyang County and carried out indoor and outdoor rearing observations.