1. Afzelius BA, Bellon PL, Lanzavecchia S (1990) Microtubules and their protofilaments in the flagellum of an insect spermatozoon. J Cell Sci 95:207–217
2. Baccetti B (1982) Notulae Orthopterologicae. XXXVII. Nuova interpretazione dell'apparato riproduttore maschile nei Grilloblattoidei. Mem Soc Ent Ital Genova 60:49–60
3. Baccetti B (1987) Spermatozoa and phylogeny in orthopteroid insects. In: Baccetti B (ed) Evolutionary biology of orthopteroid insects. Horwood, Chichester, UK, pp 12–112
4. Baccetti B, Burrini AG, Dallai R, Pallini V, Periti P, Piantelli F, Rosati F, Selmi G (1973) Structure and function in the spermatozoon of Bacillus rossius. The spermatozoon of Arthropoda. XIX. J Ultrastruct Res Suppl 12:5–73
5. Callaini G, Riparbelli MG, Dallai R (1999) Centrosome inheritance in insects: fertilization and parthenogenesis. Biol Cell 91:355–366