Embryonic cells of Psoraleococcus multipori. a female embryo, 2n = 18 b female embryo, 2n = 18 + 2B (B-chromosomes arrowed) c male embryo, paternal set of chromosomes begins heterochromatinization (arrowed) d Lecanoid heterochromatinization (arrowed) in interphase cells of male embryo; e metaphase and anaphase in female embryo showing no lagging chromosomes (Bs) f karyogram, prepared basing on the Fig. 2a.

  Part of: Gavrilov-Zimin IA (2018) First illustration of chromosomes and genetic system of Lecanodiaspidinae (Homoptera, Coccinea, Asterolecaniidae s.l.). Comparative Cytogenetics 12(3): 439-443. https://doi.org/10.3897/CompCytogen.v12i3.29648