Macroscytus unisetosus J.A. LIS, 2000

Macroscytus unisetosus J.A. LIS

(Figs 321­327)

Macroscytus unisetosus J.A. LIS, 1999b: 34 .

DESCRIPTION

Body 10.34 mm in length, 5.94 mm in width, blackish brown, umbones of pronotum yellowish brown, posterior pronotal margin castaneous, corium brown.

Head dorsally slightly wrinkled and bearing numerous hardly visible tiny punctures; clypeus subapically without setigerous punctures, each paraclypeus submarginally with 3 setigerous punctures bearing long hair­like setae (Fig. 322); ocular index 2.66; interocellar index 3.5; length of antennal segments (in mm): 0.56: 0.76: 0.67: 0.90: 1.07.

Puncturation of pronotal disc weak, punctures irregularly scattered; transverse discal impression behind calli absent; lateral margins of pronotum with 5­7 submarginal setigerous punctures bearing long hair­like setae (Fig. 321). Anterior convexity of propleuron densely punctate with small punctures, posterior convexity with large scattered punctures, propleural depression densely and coarsely punctate.

Scutellar disc medially with coarse punctures, its basal and apical thirds impunctate.

Clavus with one complete and two incomplete rows of punctures; mesocorium weakly punctate; exocorium densely punctate, punctures larger than those on mesocorial disc; costa broad, basally flattened, separated from exocorium in its basal three fourths, bearing a single setigerous puncture (Fig. 321).

Femora bicoloured, yellow or yellowish brown with broad dark median stripe; hind femur with a row of tubercles and denticles (Fig. 323); hind tibia with small subbasal denticles (Fig. 323).

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

Male genitalia as in Figs 324­327.

TYPE DATA

Holotype male: New Guinea NE, Wau ( BMH) .

MATERIAL EXAMINED

Holotype.

DISTRIBUTION

Papua New Guinea.