Acanthococcus prope onukii (Kuwana, 1902)

Gavrilov-Zimin, Ilya A., 2020, Chromosomal and reproductive features of some Oriental and Australasian scale insects (Homoptera, Coccinea), Comparative Cytogenetics 14 (3), pp. 339-352: 339

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Acanthococcus prope onukii (Kuwana, 1902)


Acanthococcus prope onukii (Kuwana, 1902)   Figs 1e View Figure 1 , 2 View Figure 2


K 1513, Thailand, Chiang Mai, slope of Doi Suthep Mt. near the University, on leaves of bamboo, 8.XI.2019, I.A. Gavrilov-Zimin.

New data.

2n = 16; bisexual reproduction with a Lecanoid heterochromatinization in male embryos. Eggs are laid in dense wax ovisac at the stage of anatrepsis, i.e. incomplete ovoviviparity is characteristic of the species. Female reproductive system consists of a spermatheca attached at the junction of the oviducts and accessory glands attached at the base of a common oviduct (Fig. 2 View Figure 2 ).


Only two species of the large genus Acanthococcus   Signoret, 1875 have been previously studied cytogenetically, i.e. European A. agropyri   (Borchsenius, 1949) and A. insignis   (Newstead, 1891), both with 2n = 16 ( Gavrilov 2004, 2007). [Nota bene! The studied specimens differ from a common Acanthococcus onukii   (= Anophococcus onukii   ) in the conical setae with blunt apices. The generic name Anophococcus   Balachowsky, 1954 is considered here as a synonym of Acanthococcus   (synonymized by Danzig 1980: 205)].