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棉叶蝉Empoasca biguttula Shirahi是棉花后期重要害虫,且严重为害茄科蔬菜。有关棉虫专著中,或记载此虫在长江流域及黄河流域不能过冬;或认为这些地方的虫源性质不明。中国科学院棉虫工作组1958—1959年在河南安阳和湖北江陵田间大笼中饲养成虫,冬季全部死亡,控制在大笼中的卵,翌春亦全部不能孵化。浙农大方振珍(1983)研究,在浙江省自然条件下,成、若虫12月中旬全部死亡;当室内平均8℃时,成虫只能存活到翌年1月中旬;3—4月棉秆枯梢内及枯叶内,均能查到少量卵,但将其放在24—25℃温箱内,均未孵化。在华南,棉叶蝉以休眠状态的成虫在木棉上过冬。
Cotton leafhopper Empoasca biguttula Shirahi is an important late-stage pest in cotton and seriously damages Solanaceae vegetables. In the monograph on cotton worms, it is stated that the insects can not wintering in the Yangtze River valley and the Yellow River valley; or the nature of the pests in these areas is not known. The Worm and Insect Working Group of the Chinese Academy of Sciences from 1958 to 1959 in Anyang, Henan and Hubei Gangneung large cage cage feeding adults, died in winter, control eggs in the cage, also can not hatch next spring. In Zhejiang Province, Fang Zhenzhen (1983) studied the natural conditions in Zhejiang Province, as nymphs all died in mid-December; when the average indoor 8 ℃, the adult can only survive to the middle of January the following year; March-April cotton shoots And dead leaves, can be found in a small amount of eggs, but placed in a 24-25 ℃ incubator, were not hatch. In southern China, cotton leafhoppers dormant in the winter on kapok adult.