Urosigalphus fimbriaeplanae Arias-Penna

Carolina, Diana & B, James, 2012, A taxonomic revision of the Colombian species of Urosigalphus Ashmead (Hymenoptera: Braconidae), Zootaxa 3411, pp. 1-54 : 21-23

Urosigalphus fimbriaeplanae Arias-Penna , n. sp.

Figs. 8 A–F

Female.— Body length 3.3 mm.

Body color ( Fig. 8 A): mainly black. Flagellomeres dark brown. Scape, pedicel, anellus and labrum light brown. Mandible yellow-brown. Mandibular teeth red-brown. Labial and maxillary palps light yellow. Projection of metapleuron dark yellow-brown. All legs light yellow except apex hind tibia, all hind tarsomeres yellow-brown. Fore wing ( Fig. 8 F): basal parts of C+Sc+R, M+CU and 1–1A veins lighter than apical part; tegula yellow with light brown central spot; stigma light brown. Membrane of both fore and hind wings ( Fig. 8 A) light brown and microtrichiae brown, but proximal part of hind wings hyaline. Tubercles of carapace basally dark and apically light ( Fig. 8 C).

Head.— Subtriangular. Antenna with 12 flagellomeres; first flagellomeres longer than wide (0.22:0.08; 0.17:0.08; 0.15: 0.08 mm); last five, except the last one, as long as wide (0.08:0.07; 0.08:0.07; 0.09:0.07; 0.10:0.07; 0.10: 0.07 mm); apical flagellomere longer than penultimate (0.12:0.08); scape smaller than first flagellomere (0.18: 0.22 mm), and wider than pedicel and first flagellomere (0.10:0.07: 0.08 mm); pedicel less than half as long as scape (0.07: 0.18 mm). Torulus located above midline of the eye. Frons crossed by a deep, medial V-shaped groove which narrows on torulus and widens on vertex, groove with large areolates of different sizes; laterally frons with small areolate-rugoses. Scrobes shallow, wide, with irregular areolate-rugosity, not surrounded by a carina; not reaching the dorsal part of median ocellus. Lower face flat or nearly so, with a longitudinal median groove which crosses the frons, lower face with irregular areolate-rugose suggesting wavy transverse carinae. Fronto-clypeal suture rounded, strongly impressed and with small, irregular punctures. Anterior tentorial pit not embedded within a strong depression. Clypeus convex, not on same plane as lower face; apically slightly flat, but not reflexed, shiny with scarce punctures, lateral borders with some transverse folds. Labrum with small, scarce and sparse punctures; interspace smooth and wide. Mandible long and slender; basally with transverse carinaterugose; mandible set with two long, sharp teeth, superior teeth longer and wider than inferior. Maxillary palp longer than labial. Ocelli oval, carinated only between lateral ocelli, these carinae fuse and run across less than half of the length of vertex; lateral ocelli close to each other, separated by less than the width of lateral ocellus (0.05: 0.07 mm). Stemmaticum slighter elevated than vertex, forming a mound, central part with a large, triangular areola, laterally with small areolae, interspaces narrow, shiny and smooth; highest point concave. Eyes without preorbital carina. Vertex aereolate-rugoses arranged in transverse carina, vertex with a stronger medial carina only basally. Occiput concave, smooth and shiny with scarce pubescence. Occipital carina complete ( Fig. 8 D). Temple and gena aereolate-rugose.

Mesosoma ( Figs. 8 A–B, D–E). — Protuberance of propleuron absent. Pronotum ( Fig. 8 B) with areolae of different sizes, anteriorly larger than posteriorly; interspaces shiny and smooth; middle part with large areolae. Pronotal lobe sloped toward tegula ( Fig. 8 B); point of inflection carinated; apex rounded. Mesoscutum uneven ( Fig. 8 D) with small, homogeneous and sparse punctures; interspaces wide, smooth and shiny; lateral mesonotal lobes flat, anteriorly slightly sloped, edge of lateral mesonotal lobes with large punctures of similar sizes; median mesonotal lobe convex with two carinae: longitudinal median and antero transverse carina; continuous longitudinal median carina with highest point anteriorly, half as long as median mesonotal lobe; and continuous antero transverse carina that runs from one end to the other; posteriorly median mesonotal lobe with areolae of different sizes, one of these at the end of longitudinal median carina; area of convergence of notauli with areolae of different sizes forming an inverted triangle. Notauli near edge of transscutal articulation, strongly impressed, with elongate, large areolae throughout and with additional row of round, large areolae ( Fig. 8 D). Scutellum convex, triangular, higher than mesoscutum; with large punctures of different sizes; interspaces narrow, shiny and smooth; crossed by a central carina; posteriorly reflexed, on different vertical plane as posterior scutellar depression; scutellar sulcus with four deep, uneven foveae; posterior scutellar depression with two elongate and large foveae that fill the whole smooth area, foveae separated by the carina that comes from scutellum, but forks as soon as it reaches the posterior scutellar depression. Middle part of metanotum, below posterior scutellar depression with a high carina projected posteriorly. Propodeum antero-posteriorly short, symmetrical; crossed by high MLC projected posteriorly ( Fig. 8 B); ATC weak, straight, but not on same height as MLC; AMA absent; posterior wall of propodeum flat or nearly so with large areolae of different sizes; interspaces narrow, shiny and smooth. Metapleuron with large areolae of similar sizes. Mesopleuron ( Fig. 8 B) with epicnemial carina, but without sternaulus; mesopleuron convex with shiny, smooth central area; dorsally, below tegula, mesopleuron with large areolae of different sizes and depths; ventrally a wide and deep dent with large areolae of similar size and shape; anteriorly with some areolae of similar size; posteriorly scrobiculate. Mesosternum ( Fig. 8 E) flat, with a complete central row of carinated areolae with different sizes and shapes; lateral parts with two longitudinal carinae at each side forming a rectangle; mesosternum near fore coxa with a high transverse lamella with two high ridges below fore coxa; mesosternum near mid coxa with a transverse row of carinated areolae of same size and shape and laterally, above mid coxa, with a semicircular, reflexed carina with irregular sculptures.

Wings ( Figs. 8 A, F). — Fore wing ( Fig. 8 F): Vein M+CU markedly curved (sinuate); vein 3RSb tubular, distant from stigma (0.53 mm); subbasal cell as long as basal (0.90: 0.85 mm); stigma rounded. Fore wing: length 2.55 mm, width 1.08 mm; hind wing: length 2.10 mm, width 0.53 mm.

Metasoma ( Figs. 8 A, C). — Carapace in lateral view teardrop-shaped ( Fig. 8 A); anteriorly with strong substrigulates that cross more than half the length of the carapace; area between the carinae with large, carinated punctates. Apex of carapace with two tubercles ( Fig. 8 C) and one protuberance above them; in lateral view, region above tubercles convex; tubercles of same length (0.16: 0.16 mm), apex blunt, straight margin; tubercles separated by twice the width of the base of the tubercle (0.13: 0.06 mm); apically carapace with a small and smooth area between tubercles and protuberance, ventrally with a weak medial groove. Protuberance with small and sparse punctates. Ovipositor ( Fig. 8 A) length 1.02 mm. Carapace length 1.6 mm.

Male.— Similar to female. Mesosternum with two lateral carinae on both sides, but with small punctures.

Biology.— Unknown.

Comments.—In some specimens (Bolívar) vertex with a faint longitudinal median carina, but Centro American specimens strongly impressed. Additional row of areolae above notauli a little bit disordered. The coloration of legs can be different (yellow-maroon), but both hind tibia and hind tarsomeres are darker. Some specimens (Bolivar) with carapace lighter than head and mesosoma, and one specimen from Guanacaste with reddish body except head. Lower face in some specimens without a clear pattern of wavy and transverse carinae although with rough sculptures. Varies from 2.62 to 3.8 mm.

Material examined.— Holotype, female, Colombia: Valle del Cauca, PNN [Parque Nacional Natural] Farallones de Cali, Anchicayá, 3º26´N 76º48´W, 900m, Malaise, 1-viii-10.ix.2000, S. Sarria leg., M.1105, IAvH-E 34300. Paratype, Colombia, Bolivar: 1 female, SFF [Santuario de Fauna y Flora] Los Colorados, Alto el Mirador, 9º54'N 75º7'W, 400m, Malaise, 22.v.–07.vi.2001, E. Deulufeut leg. M.1725, IAvH-E 64517. Holotype and paratype are deposited in IAvH-E.

Other Material, Costa Rica, Guanacaste: Esta. [Estación] Pitilla, 9 km, S. Sta Cecilia, 700m; 1 female, 3- 18.x.1991, P. Ríos, LN 330200_380200, INBio CRI 000 340463; 3 females, 1.viii.1994, P. Ríos, LN 330200_380200 # 3171, INBio CRI 002 0 51998, INBio CRI 002 0 51959 and INBio CRI 002 052000; 1 female, 01.viii.1994, J. Acosta & Y. Umaña, LN 330200_380200 # 3176, INBio CRI 002052323; 1 female, 01.viii.1991, C. Moraga, LN 330200_380200, INBio CRI 001 114424; 1 female, 01.viii.1996, P. Ríos, LN329950_380450 # 8449, INBio CRI 002 479888; 1 male, 22.ix.–14.x.1992, C. Moraga, LN 330200_380200, INBIO CRI 000 846786; m1, 10–17.vi.1992, C. Moraga, LN 330200_380200, INBio CRI 000 819201.

Etymology.— From fimbriae (Latin, noun, femenine) = fringe, edge, border and planus (Latin, adjective) = flat, even. The name refers to the apical part of clypeus is slightly flat, but not reflexed.

Figures

FIGURE 8. Urosigalphus fimbriaeplanae n. sp. (A) habitus; (B) mesosoma, lateral view; (C) tubercles, apex of carapace, dorsal view; (D) mesosoma, dorsal view; (E) mesosternum; and (F) fore wing.