Heterospilus masoni 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 : 113-114

Heterospilus masoni Marsh sp. n. Figure 75

Female.

Body size: 2.5-3.5 mm. Color: head brown to dark brown; scape yellow without lateral brown stripe, flagellum brown; mesosoma dark brown, propodeum often lighter brown; metasomal tergum 1 dark brown, terga 2-4 yellow medially, dark brown laterally, terga 5-7 yellow; wing veins brown, stigma yellow; legs yellow. Head: vertex transversely striate; frons weakly transversely striate; face smooth; temple in dorsal view narrow, sloping behind eye, width equal to 1/2 eye width; malar space greater than 1/4 eye height; ocell-ocular distance 2.5 or more times diameter of lateral ocellus; 19-20 flagellomeres. Mesosoma: mesoscutal lobes granulate; notauli scrobiculate, meeting at scutellum in triangular costate-rugose area; scutellum granulate; prescutellar furrow with 3 cross carinae; mesopleuron granulate; precoxal sulcus smooth, shorter than mesopleuron; venter smooth; propodeum with basal median areas margined, granulate, basal median carina absent or rarely extremely short, areola not distinctly mar gined, areolar area rugose, lateral areas entirely rugose. Wings: fore wing vein r slightly shorter than vein 3RSa, vein 1cu-a beyond vein 1M; hind wing vein SC+R present, vein M+CU shorter than vein 1M. Metasoma: first tergum longitudinally costate, apical width as least 4 times length; second tergum longitudinally costate; anterior transverse groove present, straight; posterior transverse groove present; third tergum costate basally, smooth apically; terga 4-7 smooth; ovipositor equal to length of metasoma.

Holotype female.

Top label (white, partially printed and hand written) - Costa Rica: Guanacaste [;] Santa Rosa Natl. Park [;] 300m, ex. Malaise trap [;] Site #: SE-7-O [;] Dates: 4-24.v.1986 [;] I.D. Gauld & D. Janzen; second label (white, printed) - [SE] Bosque San Emilio [;] 50yr old deciduous forest [;] [O] in clearing, fully [;] isolated part of day; third label (red, partially printed and hand written) - HOLOTYPE [;] Heterospilus [;] masoni [;] P. Marsh. Deposited in ESUW.

Paratypes.

3 ♀♀, same data as holotype except: Site #: 10, dates of 13. ix– 4.x.1986, 8-9.xi.1986, and second label [BH] Bosque Humedo [;] mature evergreen dry forest [;] [C] more or lass fully [;] shaded as possible (ESUW). 1 ♀, top label, Costa Rica: Guanacaste [;] Santa Rosa National Pk. [;] 300m, Malaise, Ian Gauld [;] 14. vi– 5.vii.1986, second label, SE-7-O [;] 14. vi– 5.vii.86, third label, Bosque San Emilio [;] 50yr Old deciduous [;] forest SUN (ESUW).

Comments.

The narrow metasomal tergum 2, light brown metasomal terga and the yellow tegula are distinctive for this species.

Etymology.

Named for the late Canadian braconidologist, W. R. M. (Bill) Mason in recognition of his numerous and important contributions to our knowledge of the Braconidae .