Macroscytus lansburyi J.A. LIS

Macroscytus lansburyi J.A. LIS

(Figs 178­181)

Macroscytus lansburyi J.A. LIS, 1994b: 323 , 1995b: 145, 1996: 222.

DESCRIPTION

Body 7.98­8.02 mm in length, 4.52­4.67 mm in width, blackish brown; umbones and extreme posterior margin of pronotum yellowish brown; corium brown, clearly paler than pronotum and scutellum.

Head dorsally with very small, almost invisible punctures and several rugae; clypeus subapically without setigerous punctures, each paraclypeus with two submarginal setigerous punctures (Fig. 178); ocular index 2.51­2.55; interocellar index 3.0­5.0; length of antennal segments (in mm): 0.35­0.42: 0.49­0.52: 0.50­ 0.53: 0.63­0.74: 0.84­0.92.

Pronotum undivided into lobes; calli and the posterior quarter impunctate, remaining surface sparsely punctate with clearly visible punctures; lateral margins with 4 submarginal setigerous punctures bearing long hair­like setae (Fig. 179). Apical part of anterior convexity of propleuron dulled by numerous small punctures; depression and basal part of posterior convexity with large coarse punctures.

Scutellar disc weakly punctate, bearing a median patch of few punctures (Fig. 179).

Clavus with two rows of punctures (one complete, one partial); mesocorial disc evenly moderately punctate; exocorium with very dense puncturation; costa narrow, moderately convex, entirely separated from exocorium, costal margin without setigerous punctures.

Legs yellowish brown or pale brown, femora with broad median dark stripe, apical half of anterior tibiae dark; dorsal margins of hind femora with several small teeth.

Abdominal sterna medially smooth, lateral parts of each segment with a triangular patch of small punctures posterior to spiracle.

Male genitalia as in Figs 180­181.

TYPE DATA

Holotype male: Papua New Guinea, Madang Prov., Nagada Harbour ( OXUM) .

MATERIAL EXAMINED

Holotype, and 1 paratype: Papua New Guinea: Madang Prov., Nagada Harbour, paratype ( OXUM) .

DISTRIBUTION

Papua New Guinea.