[Electron microscope studies on the head of the developing spermatids in the testis of the bagworm, Cryptothelea formosicola strand].
D000818:Animals; D007313:Insecta / Q000166:cytology*; D008297:Male; D008854:Microscopy, Electron; D013094:Spermatozoa / Q000166:cytology*; D013737:Testis / Q000166:cytology