Embryonic cells and chromosomes of the studied species (Margarodidae, Pseudococcidae, Eriococcidae). a Steatococcus samaraius (2n = 4) b Antonina parazonata (2n = 30) c A. vietnamensis (2n = 20) d Mollicoccus guadalcanalanus (2n = 10) e Acanthococcus prope onukii (2n = 16) f, g Gossypariella siamensis (2n = 16). g Shows interphase cells of male embryos with a Lecanoid heterochromatinization of the paternal set of chromosomes (arrowed in each cell). Scale bars: 10 µm.