Chaetocnema (Udorpes) cylindrica ( Baly, 1874 ), 1933

Ruan, Yongying, Yang, Xingke, Konstantinov, Alexander S., Prathapan, Kaniyarikkal D. & Zhang, Mengna, 2019, Revision of the Oriental Chaetocnema species (Coleoptera, Chrysomelidae, Galerucinae, Alticini), Zootaxa 4699 (1), pp. 1-206 : 151

62. Chaetocnema (Udorpes) cylindrica ( Baly, 1874)

( Fig. 86 )

Plectroscelis cylindrica Baly, 1874: 208 . TL: Japan, “ Nagasaki ”. TD: BMNH

Chaetocnema cylindrica: Chen, 1933: 215 .

Distribution: China (Zhejiang, Hubei, Jiangxi, Guangxi); Korea, Japan.

Host plants: Triticum aestivum ( Gressitt & Kimoto, 1963) ; Oryza sativa L. (new record based on label data).

Description: Description is not provided here, as this species has been revised by Konstantinov et al. (2011).

Types: Lectotype male (1, BMNH): 1) Type, H.T., 2) Baly Coll., 3) Plectroscelis cylindrica Baly , Japan, 4) C. cylindricus Holotype, BM, 5) blank yellow label, 6) blank pink label, 7) 8 Konstantinov; 8) Lectotype Chaetocnema cylindrica Baly , des. A. S. Konstantinov et al. 2009;

Paralectotypes (4, BMNH): 1) No specific data, 1910, G. Lewis; 2 ) Paralectotype Chaetocnema cylindrica Baly , des. A. S. Konstantinov et al. 2009.

Material: 2♀ 4♂ ( IZCAS), China, Guangxi, Guilin, Liangfeng, 30.IV.1952; 1♀ ( IZCAS), China, Jiangxi, Xingzi, 1932; 1♂ ( IZCAS), China, Jiangxi, 1954, Host plant: Oryza sativa L., Chaetocnema cylindrica Baly det. Yunqing Gong; 1♂ ( IZCAS), China, Jiangxi, LianTang, 7.IV.1954, Chaetocnema cylindrica (Baly) det. Peiyu Yu; 1♂ ( IZCAS), China, Zhejiang, Hangzhou, 1925, leg. A. PICHON, MUSEUM PARIS, Chaetocnema cylindrica Baly det. S.H. Chen.

Remarks: Chaetocnema cylindrica is rather unique in Oriental Chaetocnema species by the longitudinal and cylindrical body and the strongly narrowed and constricted pronotal base.

Figures

FIGURE 86. Chaetocnema cylindrica. A Male habitus. B Pronotum and peri-scutellar area of elytra. C Head, frontal view. D Aedeagus, ventral view. E Aedeagus, lateral view. F Apex of aedeagus, ventral view. G Vaginal palpi. H Spermatheca. I Tignum. J Pygidium (tergite 7) of female.