New data on karyotype, spermatogenesis and ovarian trophocyte ploidy in three aquatic bug species of the families Naucoridae, Notonectidae, and Belostomatidae (Nepomorpha, Heteroptera)


	Notonecta glauca (testis/ovary) 20, 21 primary spermatocytes: 20 metaphase I 21 anaphase I 22, 23 secondary spermatocytes: 22 metaphase II with 13 chromosome elements 23 anaphase II. Scale bar:10 μm.

Part of: Stoianova D, Simov N, Vu MQ, Nguyen DM, Grozeva S (2020) New data on karyotype, spermatogenesis and ovarian trophocyte ploidy in three aquatic bug species of the families Naucoridae, Notonectidae, and Belostomatidae (Nepomorpha, Heteroptera). Comparative Cytogenetics 14(1): 139-156. https://doi.org/10.3897/CompCytogen.v14i1.48709