寄生于松毛虫卵的赤眼蜂仅知有4种。 1、松毛虫赤眼蜂Trichogramma dendrolimi Matsumura 雄成虫:体黄,腹部黑褐色,触角毛长,最长的相当于鞭节最宽处的2.5倍;前翅臀角上的缘毛长为翅宽的1/8。雄性外生殖器:阳基背突有明显而宽圆的侧叶,末端达D的3/4以上;腹中突的长度相当于D的3/5 Trichogramma parasites parasitized eggs only known four kinds of. 1, Trichogramma Trichogramma dendrolimi Matsumura Male adults: body yellow, abdomen dark brown, antennae hair length, the longest equivalent to 2.5 times the width of the whip; ricketts on the front wing length to winged 1/8. Male genitalia: Yang-based dorsal clear and wide round side of the leaf, the end of up to D 3/4 or more; abdomen length of the equivalent of D 3/5