Heterospilus tobiasi Marsh sp. n. Figure 116

Female.

Body size: 2.5-3.0 mm. Color: head yellow, vertex often brown behind ocelli; scape yellow without lateral brown stripe, flagellum yellow basally to brown apically; mesosoma brown, occasionally mesoscutum lighter brown or honey yellow; metasoma brown or dark brown, tergum 2 often lighter honey yellow medially; wing veins including stigma brown; legs yellow. Head: vertex transversely striate, sometimes weakly so only behind ocelli, smooth near eyes; frons transversely striate; face rugose or rugose-granulate; temple in dorsal view narrow, width less than 1/2 eye width; malar space equal to 1/4 eye height; ocell-ocular distance slightly less than 1.5 times diameter of lateral ocellus; 16 flagellomeres. Mesosoma: mesoscutal lobes granulate, covered with sparse short setae; 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 granulate; propodeum with basal median areas margined, granulate, basal median carina absent, areola not distinctly margined, areolar area areolate-rugose, lateral areas entirely rugose. Wings: fore wing vein r longer than vein 3RSa, vein 1cu-a beyond vein 1M; hind wing vein SC+R absent, vein M+CU equal in length to vein 1M. Metasoma: first tergum longitudinally costate, apical width equal to or slightly less than length; second tergum longitudinally costate; anterior transverse groove weak or absent; posterior transverse groove absent; third tergum entirely smooth; terga 4-7 smooth; ovipositor equal to combined lengths of metasomal terga 1-2.

Holotype female.

Top label (white, partially printed and hand written) - Costa Rica: Guanacaste [;] Santa Rosa National Pk. [;] 300m, Malaise, Ian Gauld [;] 31. i– 21.ii.1987; second label (white, partially printed and hand written) - Bosque San Emilio [;] 50yr old deciduous [;] forest, full shade; third label (white, printed) - SE-8-c [;] 31. i– 21.ii.87; fourth label (red, partially printed and hand written) - HOLOTYPE [;] Heterospilus [;] tobiasi [;] P. Marsh. Deposited in ESUW.

Paratypes.

1 ♀, top label - Costa Rica: Guanacaste [;] Santa Rosa Natl. Park [;] 300m, ex. Malaise trap [;] Site #: H-3-O [;] Dates: 21. ii– 14.iii.1987 [;] I.D. Gauld & D. Janzen; second label - [H] open regenerating [;] woodland <10 years old [;] [O] in clearing, fully [;] isolated part of day (ESUW). 1 ♀, top label - Costa Rica: Guanacaste [;] Santa Rosa Natl. Park [;] 300m, ex. Malaise trap [;] Site #: (blank) [;] Dates: 10-31.i.1987 [;] I.D. Gauld & D. Janzen; second label - [H] open regenerating [;] woodland <10 years old [;] [C] more or less fully [;] shaded as possible (ESUW). 1 ♀, Costa Rica: Guanacaste Pr. [;] Guanacaste National Park [;] near Playa Naranja [;] 11 March 1990, J.S. Noyes (ESUW). 2 ♀♀, S.RosaPark, Guan. [;] C. Rica 6 June, 76 and 17 Dec. 76 [;] D. H. Janzen [;] Riparian and Dry Hill (AEIC).

Comments.

The fore wing vein r being longer than vein 3RSa is distinctive for this species.

Etymology.

Named for the late Russian braconidologist, V. I. Tobias.