There are collagenous fiber in body integument especially the ventral integument and the hymenopterous integument discovered by the H.
用伊红和马洛赖氏三色法染色可见体壁尤其在腹壁的折叠处及膜翅壁中存在着胶原纤维。
2
The present paper reviews the concepts, processes, adaptive value and relevant influencing factors of learning by hymenopterous parasitoids in the process of host foraging.