交合伞

雄虫的交合伞自第3期幼虫开始形成，到第25d的幼龄成虫才发育完成，本文对交合伞的形成过程进行了描述。

The copulatory bursa of the male worms began to develop in the third stage larvae and became well developed in the 25-day young adults . The processes of the development of copulatory bursa were described .

交合伞不全包盖尾，至尾部约3/4处。

Copulatory bursa draw out to 3 / 4on the tail .

雄性成虫尾部交合伞呈M型。

And that he bursa of adult male presented the shape " M " .

交合伞腹面中央纵嵴末端有一孔洞样构造，直径约7～8μm。

There was a hole at the end of central longitudinal ridge on the ventral-surface of copulatrix .

在楼梯的下端[上端]泄殖腔隆起，交合伞起始于交合刺前端水平处阳后延伸达尾长3／4；

At the foot / head of the stairs Cloaca slightly elevated , bursa extended from opposite the anterior end of the spicules to about the three quarters the tail length ;