Zama, Uyrá ; Moreira, Jane ; Báo, Sônia Nair... ZAMA, Uyrá, et al. Morphology of testicular and post-testicular spermatozoa in Microstigmus arlei Richards, 1972 and M. nigrophthalmus Melo, 1992 (Hymenoptera: Apoidea: Pemphredoninae) with phylogenetic consideration. Arthropod Structure and Development, v. 36, p. 304-316, 2007. Disponível em:. Acesso em: 09 fev. 2015..
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