Macroscytus bipunctatus J.A. LIS

Macroscytus bipunctatus J.A. LIS

(Figs 73­79)

Macroscytus bipunctatus J.A. LIS, 1994a: 214 .

DESCRIPTION

Body 9.36­11.81 mm in length, 4.95­5.96 mm in width, black, corium usually paler, umbones of pronotum intensely ochraceous or yellowish brown.

Head dorsally distinctly punctate, except clypeus and vertex; clypeus without a subapical pair of setigerous punctures, each paraclypeus submarginally with a single preocular setigerous puncture (Fig. 74); ocular index 2.40­3.22; interocellar index 4.7­8.0; length of antennal segments: 0.40­0.55: 0.59­0.74: 0.71­0.84: 0.98­1.14: 1.09­1.26.

Pronotal disc with large deep punctures; umbones and posterior margin impunctate; transverse discal impression behind calli absent; lateral margins with 5­6 submarginal setigerous punctures bearing long hair­like setae (Fig. 73). Propleural depression and posterior convexity with deep large punctures, anterior convexity with smaller punctures laterally.

Scutellum punctate with large deep punctures.

Clavus with one complete and two partial rows of punctures; mesocorial disc almost evenly punctate; exocorium densely punctate; all punctures smaller than those on scutellum and pronotum; costa narrow, entirely separated from exocorium, bearing a single setigerous puncture (Fig. 73).

Male hind femur with large subapical tooth on dorsal margin (Fig. 75), female hind femur with small tooth; hind tibiae in both sexes without tubercles and denticles on inner margin (Fig. 75).

Abdominal sterna with distinct punctures anteriorly, posteriorly and mesad of spiracles; each segmental suture accompanied by a row of dense punctures.

Male genitalia as in Figs 76­79.

TYPE DATA

Holotype male: Malaysia, Borneo, Sabah, Mts. Crocker , 16 miles NW of Keningau ( NSMT) .

MATERIAL EXAMINED

Holotype, 7 paratypes, and 6 other specimens: Malaysia: Borneo, Sabah, Mts. Crocker , 16 miles NW of Keningau , 2 paratypes, 2 exx. ( NSMT, UO) ; Sabah, 1/2 way Rd Melligan ­ Long Pa Sian , 1 paratype ( NNML) ; Sabah, Gn Kinabalu, Sg. Liwagu nr Kundasang bridges, 1 paratype ( NNML) ; Sabah, Long Pa Sian between LPS­L Samando (2km from Sarawak border), 2 paratype ( NNML) ; Borneo Sabah, Crocker Mt., Gununag Emas , 2 exx. ( USMB, UO) ; Malaya, Pahang, Cameron Highlands , 2 km S Tanah Rata , on Tapah Road, 1 ex. ( HNHM) . Indonesia: East Borneo, Sanga Sanga, Moorjawa , 1 paratype ( UO) ; O. Borneo, Samarinda , 1 ex. ( MZLU) .

DISTRIBUTION

Indonesia (Borneo Kalimantan), Malaysia (Borneo Sabah, Malaya ­ first record).