Spermatogenesis and sperm ultrastructure of Panorpa liui Hua (Mecoptera: Panorpidae)
ZHANG Bei-Bei1,2, XIE Sha1, HUA Bao-Zhen1,* #br#
(1. Key Laboratory of Plant Protection Resources and Pest Management, Ministry of Education,college of Plant Protection, Northwest A&F University, Yangling, Shaanxi 712100, China; 2. Institute of Tropical Agriculture and Forestry, Hainan University, Danzhou, Hainan 571737, China)