Odontoscelio brevicephalus (Risbec, 1956)

Figs 7–8

Macrogryon brevicephala Risbec, 1956: 371, fig. 3 (holotype, Ƌ, MNHN).

Odontoscelio brevicephalus – Masner 1976: 72 (transferred from Macrogryon).

Material examined

Syntypes (images only) MADAGASCAR • 1 ♂; Bekily; Mar. 1930; A. Seyrig leg.; MNHN EY25669 • 1 ♂; same collection data as for preceding but Feb. 1940; MNHN EY25670.

Redescription

Male

BODY LENGTH. 5.05 (4.4 –5.7) mm.

COLOUR (Figs 7, 8A–E). Body predominantly black, tegula brown, legs and mandibles reddish brown; radicle brown, remaining antennomeres dark brown.

HEAD (Figs 7, 8A, C–E). 1.38 × as wide as high, 2.1× as high as long; IOS 0.64 × head width, 1.35 × eye length; OOL>POL> LOL in ratio of 33.0: 24.0: 13.0; OOL 3.4× OD; eye (L:W = 65.1: 40.2) setose; frons with oblique carinae, some dorsal carinae converge medially into a smooth area; space between carinae smooth with setigerous punctae; frons above interantennal process with semicircular carinae; vertex with uneven sized depressions; ocelli not raised above surface of vertex; sparse transverse carinae present between posterior ocellus and orbit; interocellar area with setigerous foveae; occiput with transverse carinae, space between carinae with setigerous punctae; occipital carina not foveate; upper gena with longitudinal carinae, remainder smooth; entire gena with setigerous punctae.

MESOSOMA (Figs 7, 8A, C–D). Cervical pronotal area transversely carinate; mesoscutum (L:W = 94.0: 130.4) anteriorly areolate, with long setae, remainder longitudinally carinate, space between them setigerous foveate; pronotal cervical sulcus foveate, remainder of lateral pronotal area smooth except for a narrow patch of rugose sculpture above pronotal cervical sulcus; netrion foveate; dorsal mesopleuron without a rectangular, transversely carinate patch beneath tegula; mesopleural pit distinct; speculum transversely carinate, space between carinae smooth; mesepimeral sulcus foveate anteriorly; several transverse carinae present on femoral depression ventral to mesopleural pit, some of which extend ¾ width of mesopleuron; episternum foveate and ventral mesopleuron setigerous punctate, setae sparse; metapleuron anteriorly foveate, densely setose, posteriorly with large depressions without setae; scutoscutellar sulcus foveate laterally; mesoscutellum (L:W = 47.7: 93.2) areolate with several setigerous punctae; median keel present; metascutellum predominantly smooth, posteromedially with a triangular spine, metanotal trough foveate; lateral propodeal area laterally densely setose, remainder smooth with small foveae between longitudinal carinae; lateral propodeal area anterolaterally with a short spine; posterolateral margin of lateral propodeal area extending as a blunt in-curved spine. Fore wing (L: W = 347.1:120.7) and hind wing (L:W = 286.7: 60.3) weakly infuscate.

METASOMA (Figs 7, 8B). L:W = 256.6: 160.5; T1 longitudinally costate, space between costae foveate; T2 with basal foveae, remainder longitudinally costate, space between costae smooth with sparse punctae; T3 medially longitudinally costate on anterior half, posterior half smooth with setigerous punctae; remaining tergites smooth with setigerous punctae; T1 and T2 laterally sparsely setose; T3–T6 laterally with dense short setae; length and width of tergites T1–T 7 in ratio of 42.1: 42.1, 69.7.3: 60.5, 80.3: 155.3, 33.5: 155.3, 14.8: 101.9, 7.5:55.6, 5.6: 24.1, respectively.

Female

Unknown.