Mitotic and meiotic chromosomes of different scale insects. a–c Puto superbus (Leonardi, 1907), a cell of female embryo, 2n=18 b–c cells of male embryo, 2n=17, chromosomes with NORs are arrowed d Heliococcus sulci Goux, 1934, polyploid cell, about 140 chromosomes with numerous agglutinations e Peliococcopsis priesneri (Laing, 1936), male embryonic cells at interphase stage with one haploid set heterochomatinized f Planococcus vovae (Nasonov, 1908), male embryonic cell with one haploid set heterochomatinized g Dysmicoccus multivorus (Kiritshenko, 1936), embryonic cell with 2n=10 + B, additional chromosomal element arrowed h Chloropulvinaria aurantii (Cockerell, 1896), 2n=26, spermatid i Protopulvinaria pyriformis (Cockerell, 1894), 2n=16, oogonial metaphase I. Bar = 10 µm.