Macroscytus glaberrimus J.A. LIS

Macroscytus glaberrimus J.A. LIS

(Figs 136­142)

Macroscytus glaberrimus J.A. LIS, 1999a: 469 .

DESCRIPTION

Body 8.30­8.88 mm in length, 4.75­5.01 mm in width, from blackish brown to black, umbones and posterior margin of pronotum dark castaneous, exocorium and basal part of mesocorium castaneous in shade.

Head dorsally polished, almost smooth, bearing a few tiny and hardly visible punctures; clypeus subapically without a pair of setigerous punctures, each paraclypeus submarginally with a single preocular setigerous puncture (Fig. 137); ocular index 2.00­2.15; interocellar index 8.6­9.7; length of antennal segments (in mm): 0.33­0.36: 0.49­0.57: 0.50­0.60: 0.64­0.79: 0.64­0.74.

Pronotal disc impunctate, or with a few irregularly scattered punctures; transverse discal impression behind calli absent; lateral margins of pronotum with 5­6 submarginal setigerous punctures bearing long hair­like setae (Fig. 136). Anterior convexity of propleuron punctate anteriorly and laterally, posterior convexity with a few irregularly scattered punctures, propleural depression with a broad band of coarse punctures.

Scutellum with irregular puncturation, punctures well visible in its median part. Mesocorial disc densely and almost evenly punctate; exocorium densely punctate; costa narrow, almost entirely separated from exocorium, bearing a single setigerous puncture (Fig. 136).

Femora castaneous or dark castaneous, tibiae basally yellowish brown or brown, getting darker towards tarsi; the latter brown or pale brown; dorsal margin of male hind femur with numerous small denticles (Fig. 138); male hind tibia with a row of small denticles on its inner margin (Fig. 138); inner margins of female hind femur and tibia without denticles.

Abdominal sterna polished, punctate close to lateral margins, around trichobothria and posterior to spiracles.

Male genitalia as in Figs 139­142.

TYPE DATA

Holotype male: Australia, North Queensland, Mt. Misery Summit ( QMB) .

MATERIAL EXAMINED

Holotype, and 3 paratypes: Australia: Queensland, Mt. Boolbun South , 1 paratype ( QMB) ; Queensland, Bellenden Ker Range, Cableway Base Stn. , 1 paratype ( UO) ; Queensland, Mt Blackwood , 1 paratype ( QMB) .

DISTRIBUTION

Australia.