Macroscytus vietnamicus J.A. LIS, 1994

Macroscytus vietnamicus J.A. LIS

(Figs 335­341)

Macroscytus vietnamicus J.A. LIS, 1994a: 234 .

DESCRIPTION

Body 8.86­10.19 mm in length, 4.55­5.65 mm in width, from dark castaneous to black, corium slightly paler than scutellum and pronotum.

Head dorsally with a few wrinkles and several small almost indistinct irregularly scattered punctures; clypeus subapically without hair­like setae, each paraclypeus with 2 submarginal setigerous punctures (Fig. 336); ocular index 2.10­2.23; interocellar index 6.6­10.4; length of antennal segments (in mm): 0.4­ 0.45: 0.45­0.59: 0.70­0.78: 0.84­1.05: 0.92­1.08.

Pronotum with transverse impression behind calli distinctly developed, sometimes interrupted medially; puncturation of pronotal disc clearly visible, especially laterally and behind calli; lateral margins with 4­5 submarginal setigerous punctures (Fig. 335). Propleural depression densely coarsely punctate, posterior convexity of propleuron sparsely punctate, apical part of its anterior convexity with smaller punctures.

Scutellum evenly punctate with exception of apex and anterolateral angles; punctures larger than those on pronotum.

Clavus with one complete and two partial rows of punctures; mesocorial disc almost evenly punctate, punctures of the same size as those on scutellum; exocorium densely punctate; costa narrow, moderately convex, almost entirely separated from exocorium, bearing 2 setigerous punctures (Fig. 335).

Hind male femora with several distinct teeth and tubercles, hind tibiae with distinct subbasal tooth (Fig. 337).

Abdominal sterna III­VI glossy in the middle, distinctly punctate in lateral two thirds.

Male genitalia as in Figs 338­341.

TYPE DATA

Holotype male: Vietnam, Saigon ( MNHN) .

MATERIAL EXAMINED

Holotype, 8 paratype, and 2 other specimens: Burma: Palon , Pegu, 1 paratype ( UO) . India: Kalimpong , 1 ex. ( ZIP) . Laos: Vientiane, 1 paratype, 1 ex. (( BMNH, ZSMC) . Thailand: Siam, 1 paratype ( MNHN) . Vietnam: Cochinchine, 1 paratype ( UO) ; Tonkin, reg. de Hoa­Binh , 1 paratype ( MNHN) ; Vung Tau, 1 paratype ( MNHN) ; Tonkin, 2 paratypes ( BMNH, UO) .

DISTRIBUTION

Burma, India (first record), Laos, Thailand, Vietnam.