Heterospilus ixil 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 : 236-237

Heterospilus ixil Marsh sp. n. Figure 160

Female.

Body size: 2.0 mm. Color: head and mesosoma dark brown, metasoma lighter brown with tergum 1 apically, tergum 2 medially and terga 5-7 yellow; scape yellow without lateral brown stripe, flagellum entirely brown; wing veins including stigma brown; legs yellow. Head: vertex granulate; frons granulate; face granulate; temple in dorsal view broad but only slightly bulging behind eye, width equal to 1/2 eye width; malar space slightly greater than 1/4 eye height; ocell-ocular distance about 2.5 times diameter of lateral ocellus; 18-20 flagellomeres. Mesosoma: mesoscutal lobes weakly granulate, lateral lobes partially smooth; notauli scrobiculate, meeting at scutellum in small rugose area; scutellum weakly granulate; prescutellar furrow with 3 cross carinae; mesopleuron granulate; precoxal sulcus scrobiculate, shorter than mesopleuron; venter smooth; propodeum with basal median areas small and distinct but not margined, granulate, basal median carina absent, areola not margined, areolar area areolate-rugose, lateral areas entirely rugose. Wings: fore wing vein r shorter than vein 3RSa, vein 1 cu-a slightly beyond vein 1M; hind wing vein SC+R absent, vein M+CU shorter than vein 1M. Metasoma: first tergum longitudinally costate, length equal to apical width; second tergum longitudinally costate; anterior transverse groove present, straight; posterior transverse groove very weak or absent; third tergum costate basally, smooth apically; terga 4-7 smooth; ovipositor half as long as metasoma.

Holotype female.

Top label (white, partially printed and hand written) - Costa Rica: Guanacaste [;] Santa Rosa Natl. Park [;] 300m, ex. Malaise trap [;] Site #: H-1-O [;] Dates: 14. vi– 5.vii.1986 [;] I.D. Gauld & D. Janzen; second label (white, printed) - [H] open regenerating [;] woodland <10 years old [;] [O] in clearing, fully [;] isolated part of day; third label (red, partially printed and hand written) - HOLOTYPE [;] Heterospilus [;] ixil [;] P. Marsh. Deposited in ESUW.

Paratypes.

1 ♀, top label - Costa Rica: Guanacaste [;] Santa Rosa Natl. Park [;] 300m, ex. Malaise trap [;] Site #: (blank) [;] Dates: 4-24-V 1986 [;] I.D. Gauld & D. Janzen; second label - [BH] Bosque Humedo [;] mature evergreen dry forest [;] [C] more or less fully [;] shaded as possible (ESUW).

Comments.

The longer ovipositor, brown flagellum and partially smooth mesoscutal lobes are distinctive for this species.

Etymology.

Named for the Ixil, an indigenous people of Guatemala.