66 AMERICAN HYMENOPTERA. 



Enicospilus thoracicus Ashmead, Trans. Ent. Soc. Lond., p. 271, 



n. 182, p. 354, n. 1092 1900. 



Henicospilus thoracicus Dalla Torre, Cat. Hym., Ill, p. 184 1901. 



Ophion trimaculatus Dalla Torre, Idem, p. 199 1901. 



Henicospilus thoracicus Szepligeti, Gen. Ins., Hym., 34meFasc., p. 



27, n. 66 1905. 



" trimaculatus Szepligeti, Idem, p. 27, n. 68 1905. 



" trispilus Szepligeti, Ann. Hist. Nat. Musei Nationalis 



Hung., IV, p. 145 1906. 



Fulvous, antenncB flavo-fuscous, vertex flavous, mesonotum with three 

 longittidinal stripes more or less distinct; disco cubital cell with one large 

 macula and two lines ; vertex flavous. 



Length, 21-28 mm. ; wing, 16-18 mm. ; spread, 34-38 mm. ; antennae, 

 21-30 mm. 



Fulvous, sometimes varied with fuscous ; head flavous — in one speci- 

 men rufous — ocelli large, prominent, well separated, the two posterior 

 close to the tops of the eyes ; eyes large, emarginate ; antennae fulvous, 

 more or less tinged with fuscous, as long as the body ; clypeal foveae 

 distinct. 



Thorax flavo-fuscous, clothed with fine short pubescence ; pectus 

 flavous ; mesonotum with three broad black longitudinal stripes, some- 

 times indistinct behind ; scutellum flavous ; metathorax tinged with 

 fuscous or black, slightly hollowed behind, with a distinct anterior trans- 

 verse carina, in front of which it is smooth, behind with longitudinal 

 and sometimes transverse carinas, frequently a weak median longitu- 

 dinal carina is present. 



Wings hyaline, faintly iridescent ; stigma and most of the costa 

 flavous, nervures otherwise fuscous ; discocubital cell with one large sub- 

 triangular macula and two lines, the anterior short and straight, the 

 posterior long and curved ; usually distinctly separated from the 

 macula, but in one specimen faintly connected ; nervulus antefurcal to 

 interstitial ; nervellus broken far below the middle ; radius with basal 

 half thickened ; discocubital vein bent ; legs fulvo-ferruginous, some- 

 times slightly lighter colored than the rest of the body. 



Abdomen strongly compressed and shining, the two basal segments 

 linear, of about equal length, slightly dilated toward the tips. The 

 entire abdomen, especially the two basal segments, more or less 

 fuscous. 



In redescribing this species I have examined the cotypes 

 and four 9 and one 6^ specimens. 



Cotypes — Two 9 's, Mexico, Cuba ; in collection of Ameri- 

 can Entomological Society (Phila.). 



A distinct species easily recognized by its size, three black 



