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棉花叶跳虫(Chlorita biguttula,shiroki)是安徽沿江改良棉区毁灭性的害虫之一,其危害损失并不比红铃虫轻。叶跳虫每年发生代数,尚无正确记载,常年6月上旬开始迁入棉田,个别年分5月下旬即有少量迁入,其时虫口密度很小,很难引起注意,7月上中旬密度逐渐增加,每片棉叶可达3-6头,叶边缘发黄,缩叶病开始显现,8月中旬至9月上旬危害日益猖獗,虫口密度大增,每片棉叶平均8-12头左右,棉叶皱缩,由黄转红,渐渐枯焦,由于棉叶组织遭受极度破坏,养料不能充份供应,造成花蕾大量脱落,青
Cotton leafhopper (Chlorita biguttula, shiroki) is one of the devastating pests in the improved cotton area along the Yangtze River in Anhui Province. Its damage is no less harmful than that of the pink bollworm. Leaf hoppers occur algebra each year, there is no correct record, beginning in early June every year to start moving into the cotton field, a few years in late May that a small amount of immigrants, when the bugs density is very small, it is difficult to attract attention, in mid-July on the density Gradually increased, each piece of cotton up to 3-6, the leaf edge of yellow, leaf began to show disease, from mid-August to early September the increasingly rampant harm, insect population density increased, the average per cotton leaf 8-12 Or so, shrinking cotton leaves, turn yellow from yellow, gradually coking, cotton tissue suffered extreme damage, nutrients can not be fully supplied, resulting in a large number of buds off, green