Macroscytus papuanus HORVÁTH

Macroscytus papuanus HORVÁTH

(Figs 237­243)

Macroscytus papuanus HORVÁTH, 1919: 243 ; LIS 1994b: 325, 1995b: 145, 1996: 223.

DESCRIPTION

Body 6.98­8.86 mm in length, 3.75­4.65 mm in width, almost black, corium and posterior margin of pronotal disc blackish brown.

Head dorsally looking impunctate, but bearing hardly visible tiny punctures; clypeus subapically without a pair of setigerous punctures, each paraclypeus submarginally with a single preocular puncture bearing long hair­like seta (Fig. 238); ocular index 2.75­3.80; interocellar index 3.7­5.0; length of antennal segments (in mm): 0.35­0.42: 0.40­0.54: 0.49­0.72: 0.63­0.91: 0.76­0.98.

Pronotal disc almost impunctate, with punctures better visible in its posterior half; transverse discal impression behind calli absent or only faintly developed; lateral margins with 4 submarginal setigerous punctures (Fig. 237). Anterior convexity of propleuron alutaceous, impunctate; posterior convexity and propleural depression with numerous coarse punctures.

Scutellar disc almost impunctate, except for median patch of punctures (Fig. 239).

Mesocorium punctate with several large punctures basally, apically almost impunctate (Fig. 239); exocorium densely punctate with large punctures; costa narrow, almost entirely separated from exocorium, without setigerous punctures (Fig. 239).

Hind femora with small subapical teeth in both sexes, hind tibiae with neither denticles nor emargination on inner margins.

Abdominal sterna smooth and polished; sutures laterally with small punctures, each sternite with a patch of punctures posterior to spiracle, and a few punctures anterior to it.

Male genitalia as in Figs 240­243.

TYPE DATA

Lectotype male (designated by LIS 1996: 223): New Guinea, Lemien Berlinenhafen ( HNHM) .

MATERIAL EXAMINED

Lectotype, and 7 other specimens: Papua New Guinea: Kokoda , 1 ex. ( BMNH) ; Madang Dist., Finisterre Mts, Damanti , 2 exx., Budemu 3 exx., Moro 1 ex. ( BMNH, UO) .

DISTRIBUTION

Papua New Guinea.