Spermatogenesis and sperm ultrastructure of Panorpa liui Hua (Mecoptera: Panorpidae)
ZHANG Bei-Bei, Xie-Sha, Hua Bao-Zhen
Acta Entomologica Sinica . 2017, (4): 389 -400 .  DOI: 10.16380/j.kcxb.2017.04.004