Macroscytus viettei J.A. LIS

Macroscytus viettei J.A. LIS

(Figs 342­348)

Macroscytus viettei J.A. LIS, 1999d .

DESCRIPTION

Body 5.44­7.33 mm in length, 3.24­4.05 mm in width, from dark castaneous to black, corium and posterior margin of pronotum somewhat paler in shade.

Head dorsally impunctate, except for setigerous punctures and sometimes a few small punctures laterally; clypeus subapically without setigerous punctures, each paraclypeus submarginally with 3­5 setigerous punctures bearing long hair­like setae (Fig. 343); ocular index 2.40­2.85; interocellar index 8.0­13.0; length of antennal segments (in mm): 0.24­0.31: 0.32­0.50: 0.33­0.47: 0.43­0.57: 0.50­0.60.

Puncturation of pronotal disc well developed, punctures small, especially clearly visible behind head and calli, the latter impunctate, discal transverse impression behind calli absent; lateral margins of pronotum with 6­10 submarginal setigerous punctures bearing long hair­like setae (Fig. 342). Anterior convexity of propleuron impunctate or almost impunctate, posterior convexity distinctly coarsely punctate close to propleural depression, the latter coarsely punctate.

Scutellum with almost evenly spaced punctures as large as those on pronotum, basal fifth of scutellar disc impunctate.

Corium densely punctate, punctures darker and larger than those on scutellum; clavus with one complete and two partial rows of punctures; mesocorial disc densely and almost evenly punctate; exocorium densely punctate; costa narrow, entirely separated from exocorium, bearing 2­4 setigerous punctures (Fig. 342).

Male hind femur with subbasal tubercles and large subapical toth on its dorsal margin (Fig. 344); male hind tibia with a row of small denticles (Fig. 344); female hind femora with a row of setae on margins, female tibiae simple.

Abdominal sterna more or less polished, impunctate or with a few punctures posterior to spiracles.

Male genitalia as in Figs 345­348.

TYPE DATA

Holotype male: Comoros, Grande Comore, N̕Tsoudjini ( MNHN) .

MATERIAL EXAMINED

Holotype, and 18 paratypes: Comoros: Grande Comore, N̕Tsoudjini, 3 paratypes ( MNHN, UO) ; Grande Comore, 1 paratype ( MNHN) ; Moroni, Gde Comore, Malet , 1 paratype ( MNHN) ; Djouma­Dougna , Mohéli, 2 paratypes ( MNHN, UO) ; Mohéli, Bandamalé , 1 paratype ( MNHN) ; Mayotte, Convalescense , 1 paratype ( MNHN) . Madagascar: 3 paratypes ( MNHN, UO) ; Madagascar Est, district de Maroantsetra, station forestiére de Farankaraina, toute de Navana, km 16.5, vallée d̕Antoroka , 3 paratypes ( MNHN, UO) ; Baie d̕Antongil , 1 paratype ( MNHN) ; Région du Sud­Est, Fort­Dauphin , 1 paratype ( MNHN) ; Mora Mora, Tulear , 1 paratype ( MZLU) .

DISTRIBUTION

Comoros, Madagascar.