Orthemis ambinigra A spermatogonial prometaphase B bouquet stage C pachytene D late pachytene E diplotene F early diakinesis with one bivalent with two terminal chiasmata G diakinesise H prometaphase I I early anaphase I J early anaphase I (Feulgen staining) K medium anaphase I L prophase II M prometaphase II N early anaphase II O anaphase II. Asterisks point interstitial loop. Black arrows point bivalent with two chiasmata. Scale bar: 10 µm.

 
 
  Part of: Mola LM, Fourastié MF, Agopian SS (2021) High karyotypic variation in Orthemis Hagen, 1861 species, with insights about the neo-XY in Orthemis ambinigra Calvert, 1909 (Libellulidae, Odonata). Comparative Cytogenetics 15(4): 355-374. https://doi.org/10.3897/CompCytogen.v15.i4.68761