Hemitrachys bizonatus Gorham, 1876

Yang, Gan-Yan & Yang, Xing-Ke, 2013, Revision of the genus Hemitrachys Gorham, with discovery of a second species (Coleoptera: Cleridae: Clerinae), Zootaxa 3710 (1) : -

Hemitrachys bizonatus Gorham, 1876

bizonatus Gorham, 1876: 92 ( Hemitrachys ; localities: " Singapore, Borneo").

bicingulatus Kuwert, 1894: 404 ( Pseudoclerops ; type locality: "Borneo"); —Schenkling, 1906: 289 ( Pseudoclerops ; key);— Corporaal, 1924: 196 (synonymized with Hemitrachys bizonatus Gorham ).

Type material examined. Syntype. "Wallace / 57 / SAR [ Sarawak] / Hemitrachys bizonatus Gorh. [hw by Gorham] / g. nov., Sarawak, Borneo / Museum Paris, Coll. M.A. Chevrolat" (MNHN, male).

Diagnosis. The differences between this species and H. tubericollis n. sp. are shown in the diagnosis section under the new species.

Variation. In most specimens, the third interval is with a row of tubercules; but in some few specimens are with a cluster of tubercules gathering on a faint hump more or less elevated.

Other material examined. (23 specimens). Malaysia: "Penang, G. E. Bryant, 3.XI. [19]13./G. Bryant1919– 147/ Hemitrachys bizonatus Gorh. ; Chapin, 1922" (NHML, 1 ex.); Penang, G. E. Bryant, X.1913 (NHML, 1 ex.); Penang, G. E. Bryant, 9.XI.13 (NHML, 1 male.; dissected); Malacca Perak, W. Doherty leg., Museum Paris Coll. M. Pic (MNHN, 1 male; dissected); Perak, 1100m, Gounong-Boubou, W. Doherty/ ex Musaeo, E. Hintz (MNHN, 1 ex.); Doherty, Perak (NHML, 1 ex.); Mt. Matang, W. Sarawak, G. E. Bryant, 1.II.14 (NHML, 1 ex.); Mt. Matang, W. Sarawak, G. E. Bryant, I.-II.1914 (NHML, 1 ex.); Mt. Matang, W. Sarawak, G. E. Bryant, 6.12.13 (NHML, 1 ex.); Mt. Matang, W. Sarawak, G. E. Bryant, VII.1913 (NHML, 3 ex.); Sar., Borneo (NHML, 2 ex.); Singapore: Singap (NHML, 1 ex.); Brunei: Brunei, E 115.7, N 4.34, Kuala Belalong, FSC, Dipterocarp forest, Dryobalanops beccarii, N. Mawdsley: aerial Malaise 1B, alt. 260m; 16.vi.91 (NHML, 1 male; dissected); aerial FIT 2, alt. 270 m, 16.vi.91 (NHML, 1 male); aerial FIT 3, alt. 220 m, 22.vi.91 (NHML, 1 female); ground Malaise 1A, alt. 260 m, 4.vii.91 (NHML, 1 male); ground Malaise 12, alt. 260 m, 8.vii.92 (NHML, 1 female); Borneo: Wallace, Borneo (NHML, 1 ex.); Borneo (NHML, 1 ex.); Borneo (MNHN, 1 female).

Distribution. Malaysia (Penang, Perak, Sarawak), Singapore, Brunei ( Fig. 38 ).

Remarks. Three males from Perak, Penang and Brunei respectively were dissected and compared.

Figures

FIGURE 38. Distribution map of the genus Hemitrachys Gorham.