Valid Names Results

Metaceronema theae (Green, 1900) (Coccidae: Metaceronema)

Eriochiton theae Green 1900c: 10. Type data: BANGLADESH: Darjeeling, on tea plant.. Syntypes, female, by original designation (Borchs1957,197). Type depository: London: The Natural History Museum, England, UK; St. Petersburg: Zoological Museum, Academy of Science, Russia; accepted valid name (discovered by Gavril2023a, 295). Notes: China, Yunnan Prov., Jingdong, on Wendlandia sp., 13.III.1957, N.S. Borchsenius leg., 7 adult females (ZIN RAS; K 1875).
Metaceronema theae (Green, 1900); Borchsenius 1957: 197. change of combination
Metaceronema japonica; Borchsenius 1957: 197. incorrect synonymy

Families: 2 | Genera: 2

Countries: 4

Systematics: The species differs from its congeners in the presence of a submedial band of large, strongly sclerotised cylindrical wax glands and in the spiracular setae, which are similar in size to the marginal setae. (Gavrilov-Zimin, 2023a)
Structure: Mature female enclosed in grey felt-like wax sac, excluding of median part of dorsum, which covered with plate of white dense wax. Body comparatively flat, broadly oval, up to 5 mm long in mature female, with membranous cuticle. Mouthparts and spiracles of usual structure characteristic of Coccidae. Eyespots present, unclear. Antenna 8-segmented, about 400 μm long. Legs distinct, without tibio-tarsal ly flat, broadly oval, up to 5 mm long in mature female, with membranous cuticle. Mouthparts and spiracles of usual structure characteristic of Coccidae. Eyespots present, unclear. Antenna 8-segmented, about 400 μm long. Legs distinct, without tibio-tarsal sclerotisation; claw without a denticle; claw digitules enlarged, with large apical knobs. (Gavrilov-Zimin, 2023a)
General Remarks: Original description by Green (1900). Illustration by Tao, Wong & Chang (1983). Redescription and illustration by Gavrilov-Zimin (2023a).