Macroscytus privignus HORVÁTH

Macroscytus privignus HORVÁTH

(Figs 265­271)

Macroscytus privignus HORVÁTH, 1919: 237 ; CHINA 1924: 427; LIS 1999d.

DESCRIPTION

Body 8.39­9.85 mm in length, 4.60­5.45 mm in width, from castaneous to black, corium usually paler than pronotum and scutellum, at least costa and a part of exocorium brown or yellowish brown, sometimes also apices of pronotal umbones pale brown or yellowish brown.

Head dorsally alutaceous and impunctate except for setigerous punctures and sometimes a few very small punctures laterally; clypeus subapically without a pair of setigerous punctures, each paraclypeus submarginally with 2­5 setigerous punctures bearing long hair­like setae (Fig. 266); ocular index 2.10­2.70; interocellar index 7.0­12.0; length of antennal segments (in mm): 0.34­0.40: 0.45­0.60: 0.55­0.69: 0.76­0.88: 0.77­0.88.

Puncturation of pronotal disc well visible, punctures small, better visible behind head and calli, discal transverse impression behind calli absent or very shallow; lateral margins of pronotum with 6­10 submarginal setigerous punctures bearing long hair­like setae (Fig. 265). Anterior convexity of propleuron impunctate or almost impunctate, posterior convexity distinctly coarsely punctate close to propleural depression, the latter with a band of coarse punctures.

Scutellar disc densely punctate with almost evenly spaced punctures larger than those on pronotum, anterolateral angles of a disc impunctate.

Corium densely punctate; clavus with one complete and two incomplete rows of punctures; mesocorial disc densely and almost evenly punctate; exocorium more or less densely punctate; costa flattened, separated from exocorium only in its basal third, costal margin with 2­3 setigerous punctures (Fig. 265).

Femora from castaneous to almost black, tibiae yellow or yellowish brown, tibial spines dark brown or black; male hind femur with a row of teeth on its dorsal margin, among them three subapical, ventral margin with a row of well visible teeth, among them one large subbasal and three subapical (Fig. 267); male hind tibia with a row of very small denticles (Fig. 267); female hind femora with a row of setae on margins, female tibiae simple.

Abdominal sterna more or less polished, almost totally impunctate, bearing only a patch of few small punctures posterior to spiracles.

Male genitalia as in Figs 268­271.

TYPE DATA

Lectotype male (designated by LIS 1999d): Madagascar, Finarantsoa ( HNHM) .

MATERIAL EXAMINED

Lectotype, and 20 other specimens: Madagascar: Madagascar , 3 exx. ( MNHN, UO) ; Madagascar Sambirano, Nord­est de Maromandia, Base du Manongarivo , 2 exx. ( MNHN, UO) ; Madagascar Sud, plateau Mahafaly, 11/ 12 km Ouest d̕Ankalirano , 1 ex. ( MNHN) ; Madagascar Ouest, Ankarafantsika, Ampijoroa , 1 ex. ( MNHN) ; N. d̕Ivohibe, Station Forest d̕Angodongodona , 1 ex. ( MNHN) ; Région de Sud, Pays Androy, Jehara , 1 ex. ( MNHN) ; Région de Sud, Andrahomana , 1 ex. ( UO) ; Province de Fort­Dauphin, Antanimora , 1 ex. ( MNHN) ; Lambomakandro, Tuléar , 1 ex. ( MNHN) ; Ikongo , 1 ex. ( MNHN) ; Périnet, 1 ex. ( ZIP) ; Mahajanga prov., Mahajamba riv., Ampatika env. 2 exx. ( USMB, UO) ; Mahajanga env., Mahajanga distr., 2 ex. ( USMB) ; Mahajanga distr., Ambodimanga env., 2 exx. ( USMB, UO) .

DISTRIBUTION

Madagascar, Rodriguez.