Atrococcus Goux, 1941

Zhang, Jiang-Tao, Zhou, Jia-Ying, Pan, You-Liang & Liu, Xing-Ping, 2020, A new Atrococcus species (Hemiptera, Coccomorpha, Pseudococcidae) from China, with a key to Chinese species, ZooKeys 950, pp. 33-40 : 33

Atrococcus Goux, 1941

Pseudococcus (Atrococcus) Goux, 1941: 69. Type species: Atrococcus melanovirens Goux by original designation.

Generic diagnosis.

Body in life usually greenish or white, females of some species show black coloration after being placed in ethanol or potash. Body of adult female on slide oval to elongate oval. Antennae seven- or eight- segmented. Circulus present or absent. Legs well developed, claw without a denticle. Both pairs of ostioles well developed. Anal ring usually situated at apex of abdomen, bearing six setae. Anal lobes moderately developed, each bearing a normal apical seta. Cerarii numbering 1-17 pairs, each cerarius usually bearing two conical setae. Trilocular pores numerous, evenly scattered on all body surface. Multilocular disc pores usually present on venter, more rarely present on dorsum. Oral rim ducts present, forming transverse rows on dorsum and sometimes present on venter. Oral collar tubular ducts present, at least on venter, sometimes present on dorsum. Most species have group of oral collar tubular ducts on prothorax in front of anterior spiracles, often accompanied by a group of multilocular disc pores. Flagellate setae of different sizes present on both body surfaces (adapted from Tang 1992, Danzig and Gavrilov-Zimin 2015).