【摘要】 通过对河北省麦田蚜虫寄生蜂的调查,初步明确了河北省保定市、沧州市沧县、邯郸市、廊坊市香河县和张家口市蔚县5个地区的蚜茧蜂种类,以及保定地区麦田不同时期蚜茧蜂和重寄生蜂的种类。结果表明:保定、沧州和邯郸3地蚜均以燕麦蚜茧蜂和烟蚜茧蜂为优势种,廊坊以燕麦蚜茧蜂为优势种,张家口市蔚县以燕麦蚜茧蜂和麦蚜茧蜂为优势种;保定地区夏季麦蚜盛发期以燕麦蚜茧蜂为优势种,秋季和初春麦田以烟蚜茧蜂为优势种。更多还原

【Abstract】 The parasites of wheat Aphids were investigated and examined in different area of Hebei Province.The results showed that the dominant parasites of wheat aphides were Aphidius avenae haliday and aphidius gifuensis ashmead in Baoding,Cangzhou,and Handan,A.avenae in Langfang,A.avenae and Ephedrus plagiator(Ness)in Yuxian.In Baoding,the dominant species of the Aphidiidae in wheat filed was A.gifuensis in early spring and autumn but A.avenae during the summer.更多还原