黄带犀猎蝽的生物学及应用研究

黄带犀猎蝽在广州室内饲养年发生2代,以4～5龄若虫于杂草丛生的石块、土块下或枯枝落叶层中越冬。卵成块,12.5～16.5天孵化。若虫5龄,历期48.0～223.5天。成虫羽化后5.0～12.5天交配,交配后11.5～25.5天产卵。成虫寿命一般在36.0天以上。若虫和成虫有较强的耐饥力,在缺少猎物时3～5龄若虫和成虫寿命分别为8.9～13.2天和17.3～20.2天。室内外捕食试验表明:对马尾松毛虫、纵带球须刺蛾、丽绿刺蛾、细皮夜蛾和竹斑蛾幼虫有较好的抑制作用。

A Preliminary Study on the Bionomics and Application of Sycanus croceovittatus (Hemiptera, Reduviidae)

This paper reports the results of the study on the bionomics and application of Sycanus croceovittatus Dohrn in 1982~1984.It is an important predator of the larvae of some forest pests. In the insectary it has two generations each year in Guangzhou, Guangdong Province. The first generation occurs from early May to late October, the second generation from middle August to middle June of the following year. Winter is passed as 4~5 instar nymphs beneath stones and other objects in grassy plots. The eggs hatch 12.5~16.5 days after oviposition. The nymph has five instars, and its development lasts 48.0~223.5 days. The adults can live for 3.0~87.5 days. The preoviposition period is 16.5~ 38.0 days.The voracities of the nymphs and adults were tested with Dendrolimus punctatus Walker, Latoia lepida (Cramer), Scopelodes contracta Walker, Artona funeralis Butler and Selepa celtis Moore in different stages.Indoor and outdoor experiments indicated that it is effective for the control of some forest insect pests.