黑蚱蝉Cryptotympana atrata Fabricius又称黑蚱、蝉、知了、鸣蝉。我省各地均有分布。食性很杂,主要为害柑桔、梨、桃、苹果、枫杨、柳、桑、白杨、芙蓉、楝、榆、法国梧桐等多种果林植物。 棉花作为黑蚱蝉的寄主之一,早有记载,但该虫在棉田中产卵所造成的为害情况则未见有报道,现将我们所观察到的有关情况报告如下,以供参考。 黑蚱蝉对棉株的为害主要由产卵引起,每年8月上、中旬棉株大量开花结铃期,黑蚱蝉即迁入棉田产卵为害,直到8月底9月中旬尚能见少数棉株受害。若被产卵的棉枝处于芮花期,则一、二天后整枝失水凋枯;若被产卵枝已 Cryptocaryx grasshopper Cryptotympana atrata Fabricius, also known as grasshopper, cicada, known, Ming cicadas. All parts of our province are distributed. Food is very mixed, mainly harmful citrus, pear, peach, apple, maple, willow, mulberry, aspen, hibiscus, neem, elm, Indus and other fruit trees. Cotton, one of the hosts of the black grasshopper, has long been documented. However, no reports have been made of the damage caused by the spawning of the insect in cotton fields. The relevant information we observe is reported below for reference. Black cicada cicadas damage to cotton plants are mainly caused by spawning, each in August onwards, the mid-flowering period of large numbers of cotton bolls, black cicada cicada immigrant cotton spawning damage, until the end of August mid-seer can still see a few cotton Plant damage. If the spawning cotton branches in the flowering stage, one or two days after the whole branch withered dehydration; if spawning branches have been