1979年我国自美国、德意志联邦共和国引进的赤眼蜂种类中,Trichogramma pretiosum Riley及Trichogramma cacoeciae Marchal为我国所未见,现根据国外有关文献及我们的初步工作,对这两种赤眼蜂的形态特征和生物学特性作一介绍。一、短管赤眼蜂Trichogramma pretiosum Riley 雄蜂:体黄色,中胸背板及腹部带黑色,触角毛向前端尖削、长度中等,最长者为鞭节最宽处的2.5倍5(图1c)。纤毛不规则地排列在前翅上。前翎臀角上的缘毛约为 Trichogramma pretiosum Riley and Trichogramma cacoeciae Marchal were not found in our country since the United States and the Federal Republic of Germany introduced them in 1979. Based on the relevant foreign literature and our preliminary work, Features and biological characteristics for an introduction. Trichogramma pretiosum Riley drone: body yellow, midrib back and belly with black, antennae to the tip of the sharp cut, the middle length, the longest whip widest point 2.5 times 5 (Figure 1c ). Cilia irregularly arranged on the forewing. Before the feather lip on the margin of about