花椒跳甲生物学特性及防治

花椒跳甲 Podagricomela shirahatai(Chujo)属鞘翅目、叶甲科 ,也称花椒潜叶甲、花椒桔啮跳甲、俗称串椒牛。该虫是专食花椒叶的害虫 ,尚未发现其它寄主。花椒跳甲在长治市的黎城、平顺等县 1年发生 2代 ,以成虫在树下 3～ 6 cm土中及周围的草丛、石缝中越冬。防治上采用地面施药 ,可杀死大量的出土成虫和 1～ 2代入土化蛹的老熟幼虫。用2 5 %对硫磷微胶囊剂或 2 5 %辛硫磷粉剂等喷洒地面后浅锄或耙匀 ,防效可达 85 %以上。成虫期树上防治 ,喷施 40 %氧化乐果 1 0 0 0倍液、5 0 %对硫磷乳油 1 0 0 0～ 1 5 0 0倍液 ,防效均可达 90 %以上

Bionomics and control of Podagricomela shirahatai

Podagricomela shirahatai is a monophagous pest insect on Zanthoxylum bungeanum. It has two generations a year in Changzhi City and overwinters as adult in the soil under trees.Ground application of 25% Parathion microcapsules or 25% Phoxim dust can kill 85% adults emerged from the soil and mature larvae.Spraying 40% Omethoate and 50% Parathion emulsifiable concentrate can kill 90% adults in trees.