Decevania polita Kawada

Kawada, Ricardo & Azevedo, Celso O., 2007, Taxonomic revision of the Neotropical ensign wasp genus Decevania (Hymenoptera: Evaniidae), Zootaxa 1496, pp. 1-30 : 22-24

Decevania polita Kawada sp. nov.

(Figs. 75–81)

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

Head: Polished (Fig. 75). Mandible with two apical teeth. Eye large, nearly circular, HE 1.53 x WE (Fig. 76). Malar space strigulate (Fig. 75). Face above of clypeus with reduced protuberance (Fig. 75). Gena flat in frontal view, wide in lateral view, WG 2.67 x WTO, genal carina complete (Fig. 76). Lateral of vertex angularly convex in frontal view (Fig. 75). Ocellus large, DAO 1.67 x WTO; ocellar triangle raised in frontal view (Fig. 75). Anterior ocellus aligned in dorsal view of head. Clypeus wide (Fig. 75). Occipital area narrow (Fig. 76). Subocullar groove with conspicuous carina (Fig. 75). Toruli polished around them (Fig. 76). Antenna inserted at reaching level of eye top (Fig. 75). Antennal segments evenly wide; pubescence subappressed, without some setae outstanding; scape short, scape LS 0.65 x HE; flagellomere I very long, LF 2.17 x LP (Fig. 78).

Mesosoma: Thorax impunctate dorsally, strongly raised (Fig. 81). Pronotum wide in lateral view, LPR 0.67 x WTO, with inconspicuous fovea in anterior corner. Mosonotum not aligned (Fig. 81). Mesoscutum linear, anterior depression polished, lateral carina incomplete anteriorly; notaulus sulcate, arched (Fig. 79). Lateral scutellar region umbilicated; posterior region of scutellum convex in profile (Fig. 81). Median region of scutellar groove with small fovea. Metanotum conspicuous medially. Propodeum shallowly areolate; median region of dorsal propodeum polished; posterior region convex in profile; small ridge posterolaterad of insertion of petiole absent (Fig. 81). Mesepimeron weakly scrobiculate. Mesepisternum narrow; anterior region FIGURE 75–81: D. polita sp. nov. 75. head in frontal view; 76. head in lateral view; 77. stigmal and 1R1 vein; 78. antennal segments 1–6; 79. mesoscutum in dorsal view; 80. pronotum and mesepisternum in lateral view; 81. dorsal region of mesosoma in profile. Scale bar = 200µ

partially areolate; posterior margin irregularly areolate; upper region evenly areolate; lower region polished, anterior area of lower region with fovea evenly sparse; central region weakly concave (Fig. 80). Metapleuron areolate-polished; metepimeron almost flattened. Distal region of metafemur not dilated. Tarsal claw with two teeth. Basitarsal projection of hind leg long, with sharp apex. Wing LFW 3.73 LM. Basal cell setose. Stigmal vein narrow, WST 0.13 x LST, apex of posterior margin straight (Fig. 77). 1R1 vein expanded distally. Stigmal + 1R1 very long (Fig. 77). Stigmal + 1R1 LST 13.33 x WTO. Set of M+CU, 1CUa, 1CUb and 2CU veins sinuous.

Metasoma: Petiole very long, strigulate dorsally, LPE 1.00 x LST.

Material examined. HOLOTYPE. Male. COLOMBIA, Cundinamarca: PNN Chingaza Bosque Palacio, 4°31'N 73°45'W, 2930 m, Malaise, 20.xii.2000 – 05.i.2001, L. Cifuentes col., M. 1223 (IAvH 65782) ( IAVH). PARATYPE. COSTA RICA, 1 male, Heredia: Zurquí de Moravia, 1600 m, 03–04.iii.1996, PT, L. Masner col., cree labed ( CNCI). COLOMBIA, Boyáca: SFF Iguape Cabaña, Mamarramos, 5°25’N 73°27’W, 2855 m, Malaise, P. Reina col., 1 male, 16.iii–01.iv.2000, M. 123 (IAvH 65767); 1 male, 8– 25.xi.2000, M. 184 (IAvH 65768); La Planada, 2850 m, 2 male, 21.i–07.ii.2001, M. 1249 (IAvH 65769-70); Cundinamarca: PNN Chingaza, 4°31’N 73°45’W, Malaise, 1 male, Valle del Fraylejon, 3170 m, 20.xii.2000 – 05.i.2001, L. Cifuentes col., M. 1220 (IAvH 65786); Charrascales, 2990 m, 1 male, 31.v– 14.vi.2001, A. Garcia col., M. 1807 (IAvH 65783); Alto de la Bandera, 3660 m, 1 male, 27.xii.2001 – 11.i.2002, R. Raigoso col., M. 3023 (IAvH 65779); Valle del río La Playa, 3100 m, 1 male, 27.ii–10.iv.2002, F. Guzmán col., M. 3216 (IAvH 65788); Piedras Gordas, 3880 m, 1 male, 24.iv–02.v.2002, A. Pérez col., M. 3223 (IAvH 65785); Huila: PNN Cueva de Los Guácharos, Alto el Mirador, 1°38’N 76°6’W, 1980 m, Malaise, 1 male, 06–20.i.2002, J. Urbano col., M. 2922 (IAvH 65789); 1 male, 21.i–04.ii.2002, M. 2923 (IAvH 67500); 1 male, 18.ii. 07.iii.2002, F. Quevedo col., M. 3039 (IavH 65790); Cabaña Cedros, 1°37’N 76°6’W, 1950 m, 3 male, Red, 12.iv.2001, D. Campos col., M. 2522 (IAvH 65792-94); 1 male, Malaise, 27.iv– 05.v.2002, J. Fonseca col., M. 3130 (IAvH 65804); 1 male, 1°36’N 76°6’W, 2000 m, Malaise, 28.xi. 01.xii.2001, D. Campos col., M. 2539 (IAvH 65808); Risaralda: SFF Otún Quimbaya, Malaise, G. López col. El Molinillo, 4°43’N 75°34’W, 2220 m, 1 male, 21.iii–04.iv.2003, M. 3683; 1 male, 04–17.ii.2003, M. 3694; 1 male, 04–19.iv.2003, M. 3709; 1 male, 19.i–04.ii.2003, M. 3711 (IAvH 65829); 2 male, 4°44’N 75°34’W, 1980 m, 18.i–04.ii.2003, M. 3690; Cuchilla Camino, 4°43’N 75°34’W, 1 male, 2050 m, 04– 14.ii.2003, M. 3680; 1 male, 19.i–04.ii.2003, M. 3695; 1 male, 04–19.iv.2003, M. 3710; ( IAVH). ECUA- DOR. Napo: Sierra Azul, Hacienda Aragon, 0,67°S 77,92°W, P. J. Hibbs col., 2 male (2380 m), 12– 17.ii.1996, FIT; (2300 m), 2 male, 21–22.iv.1996, Malaise; 1 male, Cosanga, 1.0 Km N–1,5 Km SW to Sierra Azul, 2150 m, 0°35’24”S 77°53’19”W, 05–07.x. i.1999, ECU 1F99 124, ex: FIT, Z. H. Falin col. ( CNCI). PERU, 3 male, Pasco: Yilla Rica, road 10° 47,1S 75°18,9’W, 15–18.x.1999, FIT, R. Brooks col. ( CNCI). BOLIVIA, 6 male, La Paz: Chumlumani, Apa-Apa, 1800 m, 16°22’S 67°30’W, 01–04.v.1997, YPT, B9-11, L. Masner col.; Chochabamba: 105 Km and Cochabamba-Villa Tunari rd, 1750 m, 17°8,85’S 65°43,84’W, ex. FIT, #51, R. S. Hanlay col., 3 male, 01–06.ii.1999; 2 male, 06–08.ii.1999; 1 male, 08–12.ii.1999; 105 Km and Cochabamba at rio Carmen Mayo, 1 male, 06–08.ii.1999, ex. FIT, cloud for., F. Genier col ( CNCI).

Comments. D. polita sp. nov. differs from the others species by having head polished and subrounded in profile; face strigulate; gena wide in lateral view, genal carina complete and subocular groove with conspicuous carina; notaulus sulcate; flagellomere I very long; stigmal + 1R1 vein very long and 1R1 dilated distally.

Variation. Specimens from Ecuador and Peru with mesosoma lower and wider; leg and petiole shorter.

Distribution. Costa Rica, Colombia, Ecuador, Peru, and Bolivia.

Etymology. The name refers to the polished head.