Macroscytus dalawanus J.A. LIS

Macroscytus dalawanus J.A. LIS

(Figs 107­113)

Macroscytus pfeifferi , not of SIGNORET: FROESCHNER 1967: 21.

Macroscytus dalawanus J.A. LIS, 1994a: 218 .

DESCRIPTION

Body 9.36­11.57 mm in length, 4.71­5.88 mm in width, from castaneous to blackish brown, corium usually more brownish than pronotum and scutellum.

Head dorsally slightly wrinkled on paraclypei, impunctate; clypeus without a pair of submarginal setigerous punctures, each paraclypeus submarginally with a single preocular setigerous puncture (Fig. 108); ocular index 1.77­2.32; interocellar index 6.6­8.0; length of antennal segments (in mm): 0.43­0.56: 0.55­0.73: 0.69­ 0.89: 0.93­1.14: 1.02­1.25.

Pronotum with distinct transverse discal impression behind calli, anterior lobe with small patch of punctures behind head, and a few punctures laterally, posterior lobe with punctures forming a transverse band; lateral margins with 4­ 6 submarginal setigerous punctures (Fig. 107). Propleuron alutaceous, depression and basal part of posterior convexity with numerous coarse punctures.

Scutellum distinctly punctate with numerous punctures in the middle of its disc.

Clavus with one complete and two partial rows of punctures; mesocorial disc with small, evenly spaced punctures; exocorium weakly punctate or almost impunctate; costa narrow, almost entirely separated from exocorium, bearing 2 setigerous punctures (Fig. 107).

Male hind femora with distinct subapical tooth on dorsal margin, and several smaller teeth on ventral margin (Fig. 109); male hind tibiae with distinct subbasal tubercle, followed by a few more or less visible small denticles (Fig. 109); female hind femora with small subapical tooth on dorsal margin; female hind tibiae simple.

Abdominal sterna more or less wrinkled, with triangular patches of punctures posterior to spiracles.

Male genitalia as in Figs 110­113.

TYPE DATA

Holotype male: Indonesia, Java, Wynkoopsbay ( IRSNB) .

MATERIAL EXAMINED

Holotype, 20 paratypes, and 1 other specimen: Indonesia: Indonesia, Java, Wynkoopsbay , 1 paratype ( UO) ; Java, Ardja­Sari, Preanger , 1 paratype ( ZMA) ; Java, Soekaboemi , 1 paratype ( NNML) ; East Kalimantan, Mt Pemantus, 45km West of Sotek , 2 paratypes ( NSMT) . Malaysia: Malay Peninsula, 1 paratype ( BMNH) ; Malay Peninsula, 1 paratype ( UO) ; North Borneo, Sabah, Sandakan Distr., Rumidi , 1 paratype ( UO) ; Sabah, Beaufort, confl. Pa Sia ­ Matang , 3 paratypes ( NNML) ; Nature Trail, Borneo Sabah, Danum Valley, 70km W Lahat Datu , 1 paratype ( ZMA) ; Sabah, Long Pa Sia , Airstrip along S Pa Sia , 1 paratype ( NNML) ; Sabah, Long Pa Sia , 1 paratype ( NNML) ; Sabah, 10km SE Ranau , 1 paratype ( NNML) ; Sabah, Sipitang, Mendolong , 1 ex. ( MZLU) ; Borneo, Sarawak, 16km N of Bario, Long Rapun , 1 paratype ( NNML) . Philippines: Balabac, Dalawan Bay , 1 paratype ( ZMUC) ; Trident Mines, Central Palawan , 3 paratypes ( NSMT, UO) .

DISTRIBUTION

Malaysia (Malaya, Sabah, Sarawak), Indonesia (Java, Kalimantan), Philippines.