Heterospilus petiolatus 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 : 392-394

Heterospilus petiolatus Marsh sp. n. Figure 269

Female.

Body size: 3.0-3.5 mm. Color: head dark brown; mesosoma dark brown with propodeum usually lighter brown; metasomal terga 1, 2 and base of 3 brown to light brown, apex of 3 and remainder of terga yellow; scape yellow without lateral brown stripe, flagellum brown; wing veins brown, stigma yellow; legs yellow. Head: vertex smooth; frons smooth; face smooth; temple in dorsal view broad but sloping behind eye, width equal to 1/2 eye width; malar space equal to 1/4 eye height; ocell-ocular distance about 2.5 times diameter of lateral ocellus; 23-27 flagellomeres. Mesosoma: mesoscutal lobes smooth; notauli weakly scrobiculate, meeting posteriorly in triangular area with 2 longitudinal costae; scutellum smooth; prescutellar furrow with 3 cross carinae; mesopleuron smooth; precoxal sulcus smooth, shorter than mesopleuron; venter smooth; propodeum with basal median areas margined, smooth, basal median carina present, areola not margined, areolar area areolate-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 absent, vein M+CU as long as vein 1M. Metasoma: first tergum longitudinally costate, length about twice apical width; second tergum longitudinally costate; anterior transverse groove present, straight; posterior transverse groove present; third tergum weakly costate basally, smooth apically; terga 4-7 smooth; ovipositor half as long as metasoma.

Holotype female.

Top label (white, printed) - COSTA RICA, Limon [;] sur de Iriquois [;] 200m, 23/V/1987 [;] Col. Paul Hanson; second label (red, partially printed and hand written) - HOLOTYPE [;] Heterospilus [;] petiolatus [;] P. Marsh. Deposited in ESUW.

Paratypes.

3 ♀♀, 1 ♂, same data as holotype (ESUW). 1 ♀, Costa Rica: Heredia [;] 3km. S. Puerto Viejo [;] OTS - La Selva, 100m [;] 16-30 IX.1992 [;] P. Hanson (ESUW). 1 ♀, Costa Rica: Puntarenas [;] Peninsula Osa, 10 meters [;] 5km NW Puerto Jimenez, [;] viii-ix.1991, Paul Hanson [;] abandoned cacao orchard (ESUW). 1 ♀, COSTA RICA, Alajuela [;] Finca La Selva [;] NE Dos Rios, 400m [;] 27/III/88, Col. Hanson (ESUW). 1 ♀, Costa Rica, Puntarenas [;] Pen. Osa, 5km. N. [;] Puerto Jimenez, 10m [;] I-II-1993 P. Hanson (ESUW). 3 ♀♀, COSTA RICA, Limon [;] sur de Iriquois [;] 300m, 23/V/1987 [;] Col. Paul Hanson (MICR). 1 ♀, COSTA RICA, SanJosé [;] Cerro Muerte, 20km S [;] Empalme. 2800m [;] IX-X 1989 Hanson (MICR). 1 ♀, COSTA RICA, SanJosé [;] P.N. Braulio Carillo [;] 9.5km E tunnel, 1000m [;] V-VI-90 P. Hanson (MICR). 1 ♀, Costa Rica: Limon [;] Cahuita Natl Park [;] 29-V-1988 P. Hanson (YAMU). 1 ♀, top label - LaLola,C.R. [;] VI-22 1957 [;] MJStelzer [;] MS-57-352; second label - On cacao (AEIC).

Comments.

The long and narrow metasomal tergum 1 and the smooth mesosoma are distinctive for this species.

Etymology.

The specific name is in reference to the long and narrow petiolate metasomal tergum 1.