Decevania destituta Kawada

Kawada, Ricardo & Azevedo, Celso O., 2007, Taxonomic revision of the Neotropical ensign wasp genus Decevania (Hymenoptera: Evaniidae), Zootaxa 1496, pp. 1-30 : 13

Decevania destituta Kawada sp. nov.

(Figs. 23–29)

MALE. Description: Head, mandible, tegula, antenna, mesosoma, metasoma, leg and wing veins dark castaneous; palpi light castaneous; wings hyaline and ocelli translucent.

Head: Inconspicuously punctate (Fig. 23). Mandible with two apical teeth. Eye large, nearly circular, HE 0.88 x WE (Fig. 24). Malar space polished or politus (Fig. 23). Face above of clypeus with reduced protuberance (Fig. 24). Gena flat in frontal view, narrow in lateral view, WG 1.00 x WTO, genal carina absent (Fig. 24). Lateral of vertex evenly convex in frontal view (Fig. 23). Ocellus large, DAO 1.00 x WTO; ocellar triangle not raised in frontal view (Fig. 23). Anterior ocellus not aligned in dorsal view of head. Clypeus pinched (Fig. 23). Occipital area narrow (Fig. 24). Subocullar groove with inconspicuous carina (Fig. 23). Toruli polished around them (Fig. 23). Antenna inserted at above level of midline of eye (Fig. 24). Antennal segments evenly wide; pubescence subappressed, with some setae outstanding; scape short, scape LS 0.55 HE; flagellomere I long, LF 1.50 x LP (Fig. 26).

Mesosoma: Thorax impunctate dorsally, not raised (Fig. 28). Pronotum wide in lateral view, LPR 0.50 x WTO, with inconspicuous fovea in anterior corner. Mosonotum aligned (Fig. 28). Mesoscutum linear, anterior depression polished, lateral carina incomplete anteriorly; notaulus sulcate, straight (Fig. 27). Lateral scutellar region umbilicated; posterior region of scutellum convex in profile (Fig. 28). Median region of scutellar groove with large fovea. Metanotum conspicuous medially. Propodeum deeply areolate; median region of dorsal propodeum areolate; posterior region convex in profile; small ridge posterolaterad of insertion of petiole large (Fig. 28). Mesepimeron weakly scrobiculate. Mesepisternum wide; anterior region wholly areolate; posterior margin irregularly areolate; upper region evenly areolate; lower region foveolate, lower region with many foveae; central region concave (Fig. 29). Metapleuron areolate-umbilicate; metepimeron bulging. Distal region of metafemur not dilated. Tarsal claw with two teeth. Basitarsal projection of hind leg long, with blunt apex. Wing LFW 2.77 x LM. Basal cell setose. Stigmal vein narrow, WST 0.13 x LST, apex of posterior margin straight (Fig. 25). 1R1 vein expanded distally. Stigmal + 1R1 long (Fig. 25). Stigmal + 1R1 LST 7.50 x WTO (Fig. 25). Set of M+CU, 1CUa, 1CUb and 2CU veins sinuous.

Metasoma: Petiole long, polished dorsally, LPE 0.83 x LST.

Material examined. HOLOTYPE. Male. PERU, Pasco: Villa Rica road, 10º47,1’S 75º18,9’W, 15– 18.x.1999, FIT, R. Brooks col ( CNCI).

Comments. D. destituta sp. nov. differs from the others species by having eye subrounded; face polished and wide frontally; gena conspicuous reduced frontally and narrow laterally; subocular groove with inconspicuous carina and genal carina absent.

Distribution. Peru.

Etymology. The name refers to the absent genal carina.