、生殖前节 pregenital segments (脏节 visceral segments) 生殖前节 pregenital segments,包 含大量内脏,故又称作脏节 visceral segments o
Modification特化 Propodeum: In the higher hymenoptera the first abdominal segment s fused with the metathorax Physogastric abdomens of Isoptera queens females abdomen enormously swollen 26