【摘要】 长角岗缘蝽是福建杉木的刺吸性害虫,该虫一年发生二代,以成虫越冬。若虫共4龄,以若、成虫刺吸杉木嫩枝、芽、叶,基本全年均可为害。用2.5％溴氰菊酯,50％甲胺磷乳油,90％敌百虫晶体,40％氧化乐果防治若、成虫,有良好效果。更多还原

【Abstract】 Gonocerus longicornis Hsiao is a pest of the Chinese fir in Fujian Province. The pest has two generations per year and overwinters as adult in Pingnan County of Fujian Province. Four nymph instars have been observed. The adult and nymph feed on the tender branches and buds or leaves for almost a year. Spraying with 2.5% Decamethrin, 50% Methami-dophos, 40% Omethoate or 90% Dipterex have been proved to be an effective measure to control the adults and nymph.更多还原