Heterospilus brevicornus 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 : 323-325

Heterospilus brevicornus Marsh sp. n. Figure 216

Female.

Body size: 1.5-2.0 mm. Color: body light to medium brown, metasomal tergum 2 often yellow; scape yellow without lateral brown stripe, flagellum brown, basal flagellomeres usually lighter; wing veins light brown or translucent, stigma brown; legs yellow. Head: vertex smooth; frons smooth; face smooth; temple in dorsal view broad, slightly bulging behind eye, width equal to 1/2 eye width; malar space equal to 1/4 eye height; ocell-ocular distance greater than 2.5 times diameter of lateral ocellus; 12-15, rarely 17, flagellomeres. Mesosoma: often flattened dorso-ventrally; mesoscutal lobes weakly granulate; notauli weakly scrobiculate, meeting posteriorly in small triangular weakly rugose area; scutellum weakly granulate; prescutellar furrow usually with 3 cross carinae often median carina stronger than lateral carinae; mesopleuron smooth; precoxal sulcus smooth, shorter than mesopleuron; venter smooth; propodeum with basal median areas distinct but often not margined, granulate, basal median carina absent, areola not margined, areolar area rugose, lateral areas entirely rugose. Wings: fore wing vein r as long as vein 3RSa, vein 1cu-a beyond vein 1M; hind wing vein SC+R absent, vein M+CU as long as vein 1M. Metasoma: first tergum longitudinally costate, length equal to apical width; second tergum longitudinally costate; anterior transverse groove weakly indicated or absent, straight medially, often curved forward laterally; posterior transverse groove weakly indicated or absent; third tergum smooth; 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: 29. xi– 20.xii.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 [;] brevicornus [;] P. Marsh. Deposited in ESUW.

Paratypes.

4 ♀♀, same data as holotype with additional site # H-3-O, and dates 21. ii– 14.iii.1987 and 10-31.i.1987 (ESUW). 1 ♀, top label - Costa Rica: Guanacaste [;] Santa Rosa Natl. Park [;] 300m, ex. Malaise trap [;] Site #: H-2-C [;] Dates: 8-29.xi.1986 [;] I.D. Gauld & D. Janzen; second label - [H] open regenerating [;] woodland <10 years old [;] [C] more or less fully [;] shaded as possible (ESUW). 1 ♀, top label - Costa Rica: Guanacaste [;] Santa Rosa Natl. Park [;] 300m, ex. Malaise trap [;] Site #: blank [;] Dates: 18. x– 8.xi.1986 [;] I.D. Gauld & D. Janzen; second label - [BH] Bosque Humedo [;] mature evergreen dry forest [;] [C] more or less fully [;] shaded as possible (ESUW). 1 ♀, top label - Costa Rica: Guanacaste [;] Santa Rosa Natl. Park [;] 300m, ex. Malaise trap [;] Site #: SE-6-C [;] Dates: 20.xii.86-10.i.1987 [;] I.D. Gauld & D. Janzen; second label - [SE] Bosque San Emilio [;] 50yr old deciduous forest [;] [C] more or less fully [;] shaded as possible (ESUW). 2 ♀♀, top label - Costa Rica: Guanacaste [;] Santa Rosa Natl. Park [;] 300m, ex. Malaise trap [;] Site #: SE-5-O [;] Dates: 6-27.ix.1986 [;] I.D. Gauld & D. Janzen; second label - [SE] Bosque San Emilio [;] 50yr old deciduous forest [;] [O] in clearing, fully [;] isolated part of day (ESUW). 1 ♀, top label - Costa Rica: Guanacaste, Santa [;] Rosa Nat’l. Park, Bosque San [;] Emilio, trap #7 in clearing, 300m. [;] II/8-III/2/1986, I. Gauld; second label - [SE] Bosque San Emilio [;] 59yr old deciduous forest [;] [O] in clearing, fully [;] isolated part of day (ESUW). 1 ♀, top label - Costa Rica: Guanacaste, Santa [;] Rosa Nat’l. Park, Bosque San [;] Emilio, trap #9 in clearing, 300m. [;] XII/7-28/1985, I. Gauld; second label - [BH] Bosque Humedo [;] mature evergreen dry forest [;] [O] in clearing, fully [;] isolated part of day (ESUW). 1 ♀, Costa Rica: Guanacaste [;] Santa Rosa Natl. Park [;] 300m, ex. Malaise trap [;] Site #: blank [;] Dates: 23. iii– 13.iv.1986 [;] I.D. Gauld & D. Janzen (ESUW). 1 ♀, Costa Rica, Guanacaste Pr. [;] Guan. Conservation Area [;] Santa Rosa Hdq., 200m [;] Malaise trap 22-26 VII 1997 [;] 3x night L.J. van der Ent (ESUW). 1 ♀, COSTA RICA: San Jose, [;] Cerro de la Muerte, [;] 26km N San Isidro, 2100m, [;] ii-v 1992 [;] Paul Hanson (ESUW). 1 ♀, Costa Rica: San Jose [;] Cerro de la Muerte [;] 6Km. N. San Gerado [;] 2800m, xii.1992-ii.1993 [;] Paul Hanson (ESUW). 1 ♀ top label - COSTA RICA: Heredia [;] Pr: La Selva Biol. Sta. [;] 3km S Pto. Viejo [;] 10°26'N, 84°01'W; second label - 19.v.1990 [;] H.A. Hespenheide [;] on dead Citrus (ESUW). 1 ♀, Costa Rica: Puntarenas [;] Est. Altmira, 1300-1450m [;] 1km S del Cerro Biolley [;] 23. viii– 13.ix.1996, Malaise [;] L.S. 331700-572100 #44870 [;] R. Villalobos (ESUW). 1 ♀, Costa Rica: Puntarenas [;] Pen. Osa, Puerto Jimenez [;] 10m, August 1991, full sun, [;] grassy & weedy site [;] P. Hanson, ex. Malaise (ESUW). 1 ♀, S.RosaPark, Guan. [;] C. Rica 25 Jul 77 [;] D.H. Janzen [;] Dry Hill (AEIC).

Comments.

The short antennae, small body and flattened mesosoma are distinctive for this species.

Etymology.

The specific name is from the Latin brevis, meaning short, and the Latin cornu, meaning horn, in reference to the short antennae.