Decevania striatigena ( Kieffer, 1910 )

Kawada, Ricardo & Azevedo, Celso O., 2007, Taxonomic revision of the Neotropical ensign wasp genus Decevania (Hymenoptera: Evaniidae), Zootaxa 1496, pp. 1-30 : 7

Decevania striatigena ( Kieffer, 1910)

(Figs.98–104)

Hyptia striatigena Kieffer, 1910: 71 –72; Kieffer, 1912: 14; Hedicke, 1939: 44; Deans, 2005: 25, 122. Decevania striatigena Deans & Huben, 2003: 870 ; Deans, 2005: 25, 122.

MALE. Redescription: Head punctate (Fig. 98). Mandible with two apical teeth. Eye large, elliptical, HE 1.80 x WE (Fig. 99). Malar space strigate (Fig. 98). Face above of clypeus with reduced protuberance (Fig. 99). Gena flat in frontal view, narrow in lateral view, WG 0.90 x WTO, genal carina complete (Fig. 99). Lateral of vertex angularly convex in frontal view (Fig. 98). Ocellus large, DAO 1.00 x WTO; ocellar triangle not raised in frontal view (Fig. 98). Anterior ocellus not aligned in dorsal view of head. Clypeus pinched (Fig. 98). Occipital area wide (Fig. 99). Subocullar groove with conspicuous carina (Fig. 98). Toruli polished around them (Fig. 99). Antenna inserted at above level of midline of eye (Fig. 98). Antennal segments evenly wide; pubescence subappressed, without some setae outstanding; scape short, scape LS 0.76 x HE; flagellomere I long, LF 1.80 x LP (Fig. 102).

Mesosoma: Thorax impunctate dorsally, strongly raised (Fig. 104). Pronotum with conspicuous fovea in anterior corner. Mosonotum aligned (Fig. 104). Mesoscutum wide, anterior depression with short scrobiculate, lateral carina complete; notaulus with circular punctures, straight (Fig. 103). Lateral scutellar region umbilicated; posterior region of scutellum convex in profile (Fig. 104). Median region of scutellar groove with large fovea. Metanotum inconspicuous medially. Propodeum deeply areolate; posterior region flat in profile; small ridge posterolaterad of insertion of petiole large (Fig. 104). Mesepimeron strongly scrobiculate. Mesepisternum narrow; anterior region wholly areolate; posterior margin irregularly areolate; upper region evenly areolate; lower region foveolate, lower region with few foveae, anterior area of lower region with fovea evenly sparse; central region concave (Fig. 100). Metapleuron areolate-umbilicate; metepimeron bulging. Distal region of metafemur not dilated. Tarsal claw with two teeth. Basitarsal projection of hind leg long, with sharp apex. Basal cell setose. Stigmal vein wide, WST 0.18 x LST, apex of posterior margin convex (Fig. 101). 1R1 vein indented distally. Stigmal + 1R1 long (Fig. 101). Stigmal + 1R1 LST 6.60 x WTO. Set of M+CU, 1CUa, 1CUb and 2CU veins sinuous.

Metasoma: Petiole long, polished dorsally, LPE 0.91 x LST.

Material examined. HOLOTYPE. Male. " BOLIVIA, Mapiri, Staudínger V." ( ZMHU).

Comments. D. striatigena differs from the others species by having the head narrow in profile; eye elliptical; surface of face with a weak longitudinal median depression; flagellomere I long; stigmal vein wide and 1R1 vein expanded and reclined distally (Fig. 101).

Distribution. Bolivia.