我们是怎样进行蚱蝉防治的李玉松，路景泽（河北省青县职教中心０６２６５０）蚱蝉在我区４年发生１代，以枝条上卵和吸附于根系的若虫过冬；６月份若虫出土并羽化，以日落后出土较多（尤其雨后）．成虫寿命约２个月，有趋光性；８月份为产卵盛期，成虫用产卵器，斜切新梢... Li Yusong, Lu Jingze (Qingxian Vocational Education Center, Hebei Province, 062650) Grasshoppers occurred in our district for 4 years and took the eggs on the branches and the nymphs adsorbed on the roots for winter. The nymph unearthed in June And eclosion, unearthed after sunset (especially after the rain). Adult life of about 2 months, phototaxis; August is the peak of oviposition, adult ovipositor, oblique shoots ...