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.

 
  • 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。
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