Mitotic and meiotic chromosomes in Somatochlora metallica (Cordulidae, Odonata). The absence of localized centromeres and inverted meiosis.

Spermatogonial metaphase chromosomes were examined in two dragonfly species, Somatochlora metallica (Cordulidae) and Aeshna grandis (Aeshnidae), and the behaviour of male meiotic chromosomes was studied in S. metallica. Both in S.