Macroscytus abditus J.A. LIS

Macroscytus abditus J.A. LIS

(Figs 8­14)

Macroscytus abditus J.A. LIS, 1993b: 41 .

DESCRIPTION

Body 8.05­8.65 mm in length, 4.39­4.55 mm in width, from castaneous to almost black, sometimes corium and apices of pronotal umbones slightly brown or yellowish brown.

Head dorsally with tiny and hardly visible punctures; clypeus subapically without a pair of setigerous punctures, each paraclypeus with a single submarginal preocular puncture bearing hair­like seta (Fig. 9); ocular index 2.19­2.50; interocellar index 3.7­4.6; length of antennal segments (in mm): 0.35­0.38: 0.43­ 0.46: 0.55­0.59: 0.73­0.84: 0.87­0.94.

Pronotal disc weakly punctate, transverse discal impression behind calli absent; each lateral margin with 4­5 submarginal setigerous punctures (Fig. 8). Propleural depression with numerous coarse punctures.

Puncturation of a scutellar disc very weak, better visible only in its median part.

Mesocorium punctate with large punctures basally and the smaller apically; exocorium densely punctate; costa narrow, almost entirely separated from exocorium, bearing no setigerous punctures (Fig. 8).

Hind femora with 1­2 small teeth subapically, hind tibiae with neither denticles nor emargination on inner margins (Fig. 10).

Abdominal sterna smooth and polished; sutures laterally with small punctures, each segment with a patch of punctures posterior to spiracle, and a few punctures lateral and anterior to it; pregenital segment almost impunctate.

Male genitalia as in Figs 11­14.

TYPE DATA

Holotype male: Papua New Guinea, East. High. Prov., Alyura ( BMNH) .

MATERIAL EXAMINED

Holotype, 3 paratypes, and 3 other specimens: Papua New Guinea: East. High. Prov., Alyura, 3 paratypes ( BMNH, UO) ; Star Range, Sibil , 3 exx. ( NNML, UO) .

DISTRIBUTION

Papua New Guinea.