Gossypariella siamensis (Takahashi, 1942) Figs 1f-g, 2, 5a

Material.

K 1521, Thailand, Chiang Mai, city street near the University, on branches and twigs of an undetermined dicotyledonous tree, probably Ficus sp., 9.XI.2019, I.A. Gavrilov-Zimin.

New data.

2n = 16; bisexual reproduction with a Lecanoid heterochromatinization in male embryos. Complete ovoviviparity. Female reproductive system is similar with that in the previous species, but accessory glands are located in the middle part of the common oviduct (Fig. 2).

Comments.

The genus Gossypariella Borchsenius, 1960 includes 4 species distributed in the Oriental region. G. siamensis is the first species of the genus studied cytogenetically.