Sinotilla trisecta (Chen, 1957), comb. nov.
(Figs 33–40)
Smicromyrme trisecta Chen, 1957: 206, ♁. Type locality: “Chusan [= Zhoushan]” (Zhejiang, China). Holotype: ♁ (TARI), examined; LELEJ (2005: 64).
Type material examined. HOLOTYPE: ♁, Zhoushan, Zhejiang, China, 1.ix.1931, O. Piel leg. (TARI). PARATYPES: 1 ♁, Zhoushan, Zhejiang, China, 29.viii.1931, O. Piel leg. (TARI); 1 ♁ (Figs 33–40), Zhoushan, Zhejiang, China, 1.ix.1931, O. Piel leg. (TARI); 2 ♁♁, Zhoushan, Zhejiang, China, 7.ix.1931, O. Piel leg. (TARI); 1 ♁, Zhoushan, Zhejiang, China, 8.ix.1931, O. Piel leg. (TARI); 1 ♁, Zhoushan, Zhejiang, China, 10.ix.1931, O. Piel leg. (TARI).
Diagnosis. Male. This species differs from other species of Sinotilla in the mesosoma entirely black and the metasoma with some basal segments yellowish red. See the discussion above for other useful characters.
Female. Unknown.
Distribution. China: Zhejiang (CHEN 1957).
Remarks. All the type material was found in TARI.
In general appearance, this species is similar to the males of Promecilla (with black mesosoma and basally red metasoma), but in other aspects this species really fits the diagnosis of Sinotilla (see above). All other males of Sinotilla have a different color pattern; the mesosoma is more or less red and the metasoma black or with bluish metallic luster. Such color diversity in male body color can be observed also in Ephucilla (LELEJ 1995b) .