Macrocheilus sinuatilabris Zhao & Tian, 2010

Zhao, Danyang & Tian, Mingyi, 2012, Taxonomic notes on the Macrocheilus Hope (Coleoptera, Carabidae, Helluonini) from Oriental Region, with description of one new species from the Philippines, ZooKeys 228, pp. 77-100 : 90-91

Macrocheilus sinuatilabris Zhao & Tian, 2010 Fig. 61

Macrocheilus sinuatilabris Zhao and Tian 2010: 17. Type locality: China (Guangxi), deposited in SCAU.

Remarks.

Macrocheilus sinuatilabris is similar to Macrocheilus quadratus in having three pairs of setae on the labrum and small elytral spots. However, it differs from Macrocheilus quadratus in having smaller elytral spots, the median tooth of the mentum obtuse at its apex, the rounded apex of the labrum, the close positioning of front and intermediate labral setae, and the slender median lobe of the aedeagus.

Materials examined.

1 male, the holotype, labeled "Guangxi: Fenghuangcheng, Sep.1981, by light trap".

Distribution.

China (Guangxi: Fenghuangcheng).

Distribution of Macrocheilus in the Oriental Region

The zoogeographical pattern of Macrocheilus is illustrated in Figure 62. Most species are distributed in limited small areas, but three are widespread, occurring in many countries: Macrocheilus asteriscus in China, Vietnam, Laos, Myanmar, Indonesia and India; Macrocheilus chaudoiri in China, Cambodia, Laos, Vietnam, the Philippines, Sumatra and India; and Macrocheilus bensoni in China, Laos, Vietnam, Myanmar, India and Sri Lanka. At present the Macrocheilus faunas of Thailand and Nepal remain unknown.