J. CHKSTKK BKADl.KY. 183 



laisi. posterior coxfe and tiocbaiiters, mesoiileuiii', venter, spot o!) the 

 truncature of the propodeiini and the apex of the petiole yellow. 

 Length 3.5 mm kiefleri n. sp., British Guiana- 

 Cheeks moderately finely and densely punctate; antenna; inseited at the 

 middle of the eyes; posterior ocelli a little fartlier from each other 

 than from the compound eyes; liumeral angles moderately sharp; 

 posterior coxse beneath subcoarsely and densely punctured ; tibial 

 spur one-half as long as the metatarsus. Black; four anterior legs 

 brown. Length 3-3.5 mm. . .lieviii^iCiiIa Spinola, Colombia, Chili. 



13. F'orehead with a number of widely separated fine punctures; face with close 



fine punctures, transverse wrinkly just below the antennae. Brown, 

 with antennse, at least their bases, pale yellowish ; anterioi- and mid- 

 dle legs, posterior femora and the apex of the petiole whitish. Length 



3 mm triuidadeusiN Ashmead, Trinidad. 



Forehead and face conspicuously, finely and subdensely punctate (14). 



14. Petiole with only a few shallow jiunctures. Length 3.5 mm. 



fraterua Enderlein, Peru. 

 Petiole laterally furrowed its entire length. 



basalis Sehletterer, Colombia. 



Seuiseoniyia kiefferi n. sp. 



(Figs. 14, 15 and 52.) 



9. — Black; the first five joints of the antennae, the mesopleurse. vertex, large 

 spot on truncature of the proi)odeun), anterior legs except tarsi and apex of 

 tibiae, posterior coxae and base of trochanters and the apex of the petiole yellow. 

 Head seen from above (Fig. 15) rounded, somewhat transverse, the eyes very 

 large, on the vertex comparatively close, reaching almost to the posterior margin 

 of the head ; ocelli in an equilateral triangle, the posterior ones over twice as far 

 from each other as from the compound eyes. From the profile (Fig. 14) nothing 

 is seen except the compound eye and a narrow bit of cheek and temple below ; 

 the autennte are inserted below the lower two-thirds of the eyes. From in front 

 the head is I'ound, the front narrow, the inner mai-gins of the eyes diverging a 

 little below ; a distinct tubercle in the middle of the face below ; face and fore- 

 head densely, finely punctured ; cheeks, temples, vertex and occiput impunctate, 

 smooth and polished; scape one-third longer than joints 2 -|- 3; these subequal, 

 as is also 4; beyond the fourth joint tlie antennae are strongly inflated, tapering 

 again apically. 



The humeral angles are rounded ; mesonotum and scutellum and most of the 

 mesopleurae smooth, polished and impunctate; nietaj)leurfe and propodeum shal- 

 lowly reticulate, the area on the side irregularly shallowly wrinkled; furcula 

 with the tynes divergent but very short. 



Wings hyaline ; longer tibial spur one-half the length of the metatarsus ; the 

 latter one-fifth longer than joints 2-5 togcthei ; the tarsal claw small, l)ifid. the 

 inner ray much stouter than the outer one (Fig. 52). 



The petiole is smooth ; the abdomen round and polished. Length 3.5 mm. 



Hub. — Bartica, British Guiana, May 10, 1901, collected by R. 

 J. Crew, and presented to the writer by Mr. Henry L. Viereck. 

 Tyjie. — In the author's collection. 



TKANS. AM. ENT. 80C. XXXIV. .JUNK. 1908. 



