Heterospilus tres 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 : 416-417

Heterospilus tres Marsh sp. n. Figure 287

Female.

Body size: 2.0 mm. Color: head with face and temples honey yellow, frons and vertex light to medium brown; scape yellow without lateral brown stripe; flagellum brown; mesosoma brown, mesoscutum sometimes lighter; metasomal tergum 1 dark brown, remainder of terga light to medium brown; wing veins including stigma brown; legs yellow. Head: vertex smooth; frons smooth; face smooth; temple in dorsal view narrow, width less than 1/2 eye width; malar space equal to 1/4 eye height; ocell-ocular distance twice diameter of lateral ocellus; 21 flagellomeres. Mesosoma: mesoscutal lobes granulate; notauli scrobiculate, meeting posteriorly in triangular costate area; scutellum granulate; prescutellar furrow with 1 cross carina; mesopleuron granulate; precoxal sulcus weakly granulate or smooth, shorter than mesopleuron; venter granulate; propodeum with basal median areas margined, granulate, basal median carina present, areola not distinctly margined, areolar area rugose, lateral areas rugose at extreme apex, smooth over remainder of area. Wings: fore wing vein r shorter than vein 3RSa, vein 1cu-a beyond vein 1M; hind wing vein SC+R present, vein M+CU shorter than vein 1M. Metasoma: first tergum longitudinally costate, length greater than apical width; second tergum longitudinally costate; anterior transverse groove present, sinuate; posterior transverse groove present; third tergum costate basally, smooth or rarely granulate apically; terga 4-7 smooth, rarely weakly granulate; ovipositor as long as metasoma.

Holotype female.

Top label (white, printed) - COSTA RICA-Heredia Prov. [;] La Selva Biological Station [;] 10°26'N, 84°01'W, 100m [;] Canopy fogging 32 [;] 3.xi.1994 [;] Project ALAS (FVK32); second label (red, partially printed and hand written) - HOLOTYPE [;] Heterospilus [;] tres [;] P. Marsh. Deposited in ESUW.

Paratypes.

2 ♀♀, same data as holotype with dates of 20.x.1994 and 19.x.1994 and Canopy fogging 26 and 27 (ESUW).

Comments.

The long ovipositor, the single cross carina in the prescutellar furrow and the sinuate anterior transverse groove of metasomal tergum 2 are distinctive for this species.

Etymology.

The specific name is an arbitrary combination of letters.