Heterospilus nahua Marsh

Marsh, Paul M., Wild, Alexander L. & Whitfield, James B., 2013, The Doryctinae (Braconidae) of Costa Rica: genera and species of the tribe Heterospilini, ZooKeys 347, pp. 1-474 : 256-258

Heterospilus nahua Marsh sp. n. Figure 174

Female.

Body size: 2.0 mm. Color: head brown, face honey yellow; scape yellow without lateral brown stripe, flagellum brown with apical 3-5 flagellomeres white; mesosoma brown; metasoma brown, terga 1 and 2 medially lighter brown; wing veins including stigma brown; legs yellow, hind femora brown on apical 3/4. Head: vertex very weakly granulate, appearing smooth at lower magnifications; frons smooth; face smooth; temple in dorsal view narrow, sloping behind eye, width less than 1/2 eye width; malar space greater than 1/4 eye height; ocell-ocular distance greater than 2.5 times diameter of lateral ocellus; 16 flagellomeres. Mesosoma: mesoscutal lobes weakly granulate or smooth; notauli weakly scrobiculate or smooth, meeting at scutellum in unsculptured area; scutellum smooth; prescutellar furrow with 1 cross carina; mesopleuron granulate; precoxal sulcus smooth, shorter than mesopleuron; venter granulate; propodeum with basal median areas margined, granulate, basal median carina absent, areola weakly margined, areolar area rugose, lateral areas entirely rugose. Wings: fore wing vein r shorter than vein 3RSa, vein 1cu-a interstitial with vein 1M; hind wing vein SC+R absent, vein M+CU shorter than vein 1M. Metasoma: first tergum longitudinally costate-granulate, length nearly twice apical width; second tergum longitudinally costate-granulate; anterior transverse groove present, straight; posterior transverse groove present; third tergum smooth; terga 4-7 smooth; ovipositor shorter than metasomal tergum 1.

Holotype female.

Top label (white, printed) - Costa Rica: Limon, ACLAC [;] Central Res. Biol. Hitoy Cerere [;] Est. Hitoy Cerere, Send. Espavel [;] 300m, 17. iv– 17.v.1999, F. Umana [;] L.S. 401500-570200 #52777 Mal.; second label (red, partially printed and hand written) - HOLOTYPE [;] Heterospilus [;] nahua [;] P. Marsh. Deposited in ESUW.

Paratypes.

1 ♀, Costa Rica: Puntarenas [;] ACO, Golfito, R.F. Golfo Dulce [;] Est. Agujas, 250-300m, Malaise [;] 15. ix– 10.x.1999, J. Azofeifa [;] L.S. 276750-526550 #53486 (ESUW). 1 ♀, Sirena, Osa Pen. [;] VII, 77 Cos. Rica [;] D. H. Janzen (AEIC). 2 ♀♀, Costa Rica: Heredia [;] Braulio Carrillo N.P. [;] 250-500m IV.10.85 [;] Henri Goulet (AEIC). 1 ♀, Costa Rica: Heredia [;] Braulio Carrillo N.P. [;] 400m IV.10-11.85 [;] Henri Goulet (AEIC). 1 ♀, top label - COSTA RICA, Heredia: [;] Est. Biol. La Selva, 50- [;] 150m, 10°26'N, 84°01'W [;] Jan 1996, INBio-OET; second label - 02 Enero 1996 [;] M/04/534 [;] Bosque primario (INBC). 2 ♀♀, top label - COSTA RICA, Heredia: [;] Est. Biol. La Selva, 50- [;] 150m, 10°26'N, 84°01'W [;] Mar 1996, INBio-OET; second label - 15 Marzo 1996 [;] Bosque primario [;] M/03/593 (INBC). 3 ♀♀, COSTA RICA, Puntarenas [;] San Vito, Jardin Bot. [;] Las Cruces, VI-VII/98 and XII/1988 [;] 1200m, Col. P Hanson (MICR). 2 ♀♀, COSTA RICA, SanJosé [;] P. N. Braulio Carillo [;] 9.5km E tunel, 1000m [;] VI/1989 and V-VI-90, col. P. Hanson (MICR).

Comments.

The very short ovipositor, the unsculptured area where the notauli meet and the very weakly granulate vertex are distinctive for this species.

Etymology.

Named for the Nahua, an indigenous people of Mexico.