Therates vietnamensis Wiesner 1988

11. Therates vietnamensis Wiesner

(Fig. 81)

Therates topali vietnamensis Wiesner 1988: 19, f. 74, 75, 305.

Therates topali vietnamensis. Wiesner 1992: 90.

Therates vietnamensis. Sawada and Wiesner 1997: 78, 79; Matalin 2001: 387.

Type depository. Holotype male in NHMW. Paratypes in NHMW, NHMB, JWCG and SDEI.

Type status. Holotype male! Type labels: “N. VIETNAM / Tonkin /, CUCPHUONG 15.6.1985 /pr. Hasopbinh/ Vit. Kubán leg.” [printed]; “HOLOTYPUS” [printed, red]; “topali vietnamensis Wiesner 86” [printed]; “ Therates vietnamensis Wiesner 1988, det. J. Wiesner 96” [printed]. Paratypes! Type labels: “N-VIETNAM, Cuc-Phuong, leg. Kuban, 15.6.1985 ” [printed]; “ PARATYPUS” [printed, red]; “topali vietnamensis Wiesner 86” [printed]; “ Therates vietnamensis Wiesner 1988, det. J. Wiesner 96” [printed]; “N Vietnam 1986, prov. Ha nam ninh, Cuc phuong 23.-25.5., V. Švihla lgt.” [printed]; “PARATYPUS Therates topali vietnamensis Wiesner ” [printed and handwritten, red]; “ Therates vietnamensis Wiesner 1988, det. J. Wiesner 96” [printed]; “N VIETNAM Tam-Dao, Prov. Vinh Phu, leg. Kuban, 2.- 11.6.1985 ” [printed, white, with yellow borders]; “ THERATES topali vietnamensis n. ssp., det. J.Wiesner 1986” [handwritten and printed, white]; “PARATYPUS” [typewritten, red]; “N. VIETNAM / Tonkin / TAMDAO / pr. Vinhphu / 2.- 11.6.1985, Vit. Kubán leg.” [printed]; “topali vietnamensis Wiesner 86” [printed]; “PARATYPUS” [printed, red]; “N Vietnam 1985, pr. Vinh phu, Tam dao 3.6.-11.6., V. Švihla lgt.” [printed]; “PARATYPUS” [printed, red]; “topali vietnamensis Wiesner 86” [printed]; “ Therates vietnamensis Wiesner 1988, det. J. Wiesner 96” [printed]; “ Tam-Dao, Tonkin, Alt. 1100 à 1300m ” [printed]; “topali vietnamensis Wiesner 86” [printed]; “PARATYPUS” [printed, red].

Diagnosis. Distinguished by the combination of short humeral lunule and acutely angled central dot.

Re-description. Size: Total length (without labrum) 6.3 mm- 8.7 mm, (mean= 7.3 mm, n=65). Head: Shining greenish black. Mandibles yellowish, brownish distally in females, teeth brownish marginally. Labrum (male Fig. 87, female Fig. 88) as wide as long, yellowish all over or somewhat blackish laterally, with six apical teeth (one male with seven teeth) and one lateral tooth. Labial and maxillary palpi yellowish. Antennae lanceolate, extending posteriorally behind elytral shoulders in males, somewhat shorter in the females, scape with a single apical bristle, antennomeres 2 to 5 glabrous, antennomeres 6 to 11 finely and evenly pubescent; scape yellowish above, black on underside, all the other antennal segments blackish. Clypeus glabrous. Frons smooth, with a transverse furrow in the posterior part of the orbital plates. Thorax: Pronotum shining greenish black, as long as wide, constricted in front and at back, transverse furrows strong, middle line and lateral lines nearly obsolete. Elytra: Shining black, with basal and apical humps, shallow punctate in front, nearly absent in apical half (Fig. 82). Apex with or without angular lateral corner and sutural corner, in the first case somewhat recurved between. Maculation composed of a short yellow humeral lunule, a yellow basal dot, and a yellow central dot that is acutely angled inwards toward the suture (Figs. 76, 77). Apex is transparent brownish or has a small yellow dot at the suture. Ventral aspect: Venter black, ventrites brownish marginally. Legs yellowish, tibiae and tarsomeres somewhat darkened distally. Aedeagus: (Fig. 86) curved, with produced thick tip, total length 1.8 mm.

Distribution. Vietnam (Cao Bang, Vinh Phuc, Nin Binh, Tuyen Quang, Quang Binh).

Localities. VIETNAM, Vinh Phuc, Tam Dao, 3.-11.vi.1985 (JWCG), 27.v.-2.vi.1986 (ZSMC), 12.-24.v.1989 (ZSMC), 6.-12.vi.1989 (HNHM), v.1996 (JMCC), 20.v.1991 (OSCC), 4.-11.vi.1996 (ZSMC), 70 km NW Hanoi, Tam dao, 9.-19.v.1996, 900- 1200 m (JWCG, NHMB), 3.-7.vi.1996 (ZSMC), Tam Dao NP, Tam-Dao env., 900-1200 m, 8-18.v.2012 (HSJC), Cuc phuong, Ninh binh, 3.-10.v.1966 (HNHM), 5.-18.v.1966 (HNHM), 11.-17.v.1966 (HNHM), 2.-12.v.1991 (NHMW), Cuc Phuong Nat. Park, 21.-22.v.1996 (JWCG, NHMB), Cuc Phuong N. Park, 440 m, 24.iv.-28.iv.2012 (HSJC), Ha nam ninh, Cuc phuong, 24.-25.v.1986 (ZSMC), 2.-11.v.1991 (ZSMC), Cao Bang, Babe Nat. Park, 7-11.v. 1997, 180 m (JWCG), Tuyen Quang, Na Hang Reserve, 16.-20.v. 1997, 300 m, rainforest (JWCG, RNFC), Quang Binh, 1 km N of Cha Lo, 400 m, 11.-24.iv.2010 (NHMB).