Ceratovacuna silvestrii (Takahashi, 1927)

Oregma silvestrii Takahashi, 1927: 148 .

Cetatovacuna arundinariae Takahashi, 1932: 71. Oregma subglandulosa Hille Ris Lambers & Basu, 1966: 19 .

Specimens examined. CHINA: 14 apterous viviparae, Guizhou (Chishui City, Alt. 380m), on one kind of bamboo, 3.vi.2000 (Qiao GX) [No. 12553]; 16 apterous viviparae [No. 6709] and 5 apterous viviparae [No. 6710], Hubei (Enshi City), on Indosasa shibateoides, 23.x.1977 (Zhang GX); 3 apterous viviparae, Guizhou (Xishui County, alt. 1150m), on one kind of bamboo, 29.v.2000 (Qiao GX) [No. 12506]; 2 apterous viviparae, Shaanxi (Mt. Louguantai), host plant unknown, 3.vi.1994 (Qiao GX) [No. 10581]; 4 apterous viviparae, Yunnan (Xiaomenglun), on Phyllostachys heterocycla, 31.iii.1995 (Qiao GX) [No. 10651]; 13 apterous viviparae, Guizhou (Chishui City), host plant unknown, 2.vi.2000 (Qiao GX) [No. 12545]; 9 apterous viviparae, Yunnan (Mengla County), on one kind of bamboo, 20.iv.1982 (Wang YX) [No. Y 2517]; 1 apterous vivipara, Fujian (Jiangle County), on one kind of bamboo, 18.iv.1991 (Zhang WY) [No. 10067].

Distribution. China (Fujian, Hubei, Guizhou, Yunnan, Shaanxi, Taiwan), India.

Biology. Its host plants are Indosasa shibateoides, Phyllostachys heterocycla and other Poaceae .