Heterospilus racostica Marsh sp. n. Figure 274

Female.

Body size: 2.5 mm. Color: body dark brown, apical metasomal terga slightly lighter; scape yellow without lateral brown stripe; flagellum brown; wing veins including stigma brown; legs yellow or light brown. Head: vertex smooth; frons smooth; face smooth; temple in dorsal view sloping behind eye, width equal to 1/2 eye width; malar space slightly greater than 1/4 eye height; ocell-ocular distance greater than 2.5 times diameter of lateral ocellus; 21 flagellomeres. Mesosoma: mesoscutal lobes weakly granulate or partially smooth; notauli scrobiculate, meeting posteriorly in triangular costate area; scutellum smooth; prescutellar furrow with 3 cross carinae; mesopleuron weakly granulate or partially smooth; precoxal sulcus smooth, 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 interstitial with 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, straight; posterior transverse groove present; third and fourth terga costate basally, smooth apically; terga 5-7 smooth; ovipositor half as long as metasoma.

Holotype female.

Top label (white, printed) - Costa Rica: Puntarenas [;] Peninsula Osa, Puerto [;] Jimenez, 10m, x-xi.1991 [;] P. Hanson, Malaise trap [;] grassy, disturbed site; second label (red, partially printed and hand written) - HOLOTYPE [;] Heterospilus [;] racostica [;] P. Marsh. Deposited in ESUW.

Paratypes.

1 ♀, Costa Rica: Puntarenas [;] R.F. Golfo Dulce, [;] 3km. SW. Rincon, 10m [;] Oct. 1991, Paul Hanson (ESUW). 1 ♀, Costa Rica: Puntarenas [;] R.F. Golfo Dulce, 5Km. W [;] Piedras Blancas, 100m [;] xi-xii.1992, P. Hanson (ESUW). 1 ♀, top label - Costa Rica: Guanacaste [;] Santa Rosa Natl. Park [;] 300m, ex. Malaise trap [;] Site #: SE-6-C [;] Dates: 2-23.iii.1986 [;] I.D. Gauld & D. Janzen; second label - [SE] Bosque San Emilio [;] 50yr old deciduous forest [;] [C] more or less fully [;] isolated as possible (ESUW). 1 ♀, Costa Rica: Cartago [;] Turrialba, CATIE [;] 14-15 March 1990 [;] 700m, J.S. Noyes (ESUW). 1 ♀, Costa Rica: Heredia [;] 3km S. Puerto Viejo [;] OTS, La Selva, 100m [;] 1-15 ix 1992, P. Hanson [;] huertos Malaise trap [;] set by G. Wright (ESUW). 1 ♀, COSTA RICA, SanJosé [;] P.N.BraulioCarillo [;] 9.5Km E tunnel, 1000m [;] VI/1989, col. Hanson (MICR). 1 ♀, top label - Turrialba,C.R. [;] IV-21-1957 [;] RDShenefelt [;] RDS 57-128; second label - forest edge of plantation (AEIC).

Comments.

The long, narrow metasomal tergum 1 and the brown flagellum are distinctive for this species.

Etymology.

The specific name is an anagram of Costa Rica.