Schematic illustration of marsupium in Etropera spp. (Coccinea: Margarodidae) in vertical and horizontal projections.

 
 
  Part of: Gavrilov-Zimin IA (2021) Egg retention, viviparity and ovoviviparity in Paraneoptera. Comparative Cytogenetics 15(3): 239-252. https://doi.org/10.3897/CompCytogen.v15.i3.70216