Heterospilus angustus 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 : 35-36

Heterospilus angustus Marsh sp. n. Figure 14

Female.

Body size: 2.5 mm. Color: head honey yellow; scape yellow without lateral longitudinal brown stripe, flagellum brown with apical 3-5 flagellomeres white; mesosoma brown, somewhat lighter along notauli; metasomal terga 1-4 brown, tergum 2 slightly lighter, terga 5-7 yellow; wing veins including stigma brown; legs yellow. Head: vertex costate; frons costate; face rugose; temple in dorsal view narrow, width less than 1/3 eye width; malar space equal to 1/4 eye height; ocell-ocular slightly less than 2.5 times diameter of lateral ocellus; 19 flagellomeres. Mesosoma: mesoscutal lobes granulate; notauli scrobiculate, meeting at scutellum in triangular rugose area; scutellum granulate; prescutellar furrow with 3-5 cross carinae; mesopleuron granulate; precoxal sulcus scrobiculate, shorter than mesopleuron; venter smooth; propodeum with basal median areas margined, granulate, basal median carina absent, areola not margined, areolar area rugose, lateral areas entirely rugose. 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, apical width equal to length; second tergum longitudinally costate, width about 4 times length; anterior transverse groove present, sinuate; posterior transverse groove present; third tergum costate basally, smooth apically; terga 4-7 smooth; ovipositor about 3/4 length of metasoma.

Holotype female.

Top label (white, printed) - Costa Rica: Cartago [;] Braulio Carillo N.P. [;] 600m, 25.iii.1990 [;] J. S. Noyes, coll.; second label (red, partially printed and hand written) - HOLOTYPE [;] Heterospilus [;] angustus [;] P. Marsh. Deposited in ESUW.

Paratypes.

Known only from the holotype.

Comments.

The very narrow temple is distinctive for this species.

Etymology.

The specific name is from the Latin angustus meaning narrow in reference to the extremely narrow temple.