16 PROCEEDINGS OF THE NATIONAL MUSEUM vol. 70 



SCELIPHRON FASCIATUM (Lepeletler) 



Pelopoeus fascial us Lepeletiek, 1845, Hist. Nat. Insect. Hymen., vol. 3, p. 315, 



no. 15, female. 

 Pelopoeus arpcntifrons Ckesson, 1865, Proc. E'ntom. Soe. Philadelphia, vol. 4, 



p. 136, female. 



Shining black, with pale yellow markings on thorax and first 

 dorsal abdominal segment; pubescence and hairs silvery; legs black. 



Fevmle. — Head : Black ; f rons slightly depressed, insertion of an- 

 tennae slightly elevated; upper part of clypeus somewhat convex, 

 anterior edge reflexed, bidentate or bilobed, the lobes rounded; 

 frons except above antennae and cljqoeus with a dense silvery 

 pubescence and also with numerous erect silvery hairs; antennae 

 black, faintly sericeous, the segments having the following relative 

 lengths : 1/19, 2/4, 3/24, 4/18, 5/15, 6/13, 7/11, 8/9, 9/8, 10/7, 11/6, 

 12/7; mandibles fuscous, tips ferruginous, sparsely hairy towards 

 the ba.se ; frons above antennae, vertex, genae, and occiput not or only 

 slightly pubescent, but with numerous erect, silvery hairs, slightly 

 punctate. 



Thorax : Prothorax shining black, with two linear spots of yellow 

 on the dorsal surface, one on each side of the median depression, 

 weakly punctate, covered with white hairs. Mesonotum black, 

 densely and finely punctate and striate, hairy; scutellum with a 

 transverse j^ellow spot, longitudinally striate; an area just below 

 tegulae yellow, rest of pleural region shining black; whole meso- 

 pleural and mesosternal region hairy, punctate, and striate. Meta- 

 thorax black except a narrow transverse band of yellow on the 

 metanotum; upper and anterior part of metapleural region almost 

 smooth and with only a few minute white hairs; posterior part 

 slightly punctate. 



Propodeum: Shining black with a spot of yellow on each side 

 anterior to the spiracles, and two sub-circular spots of yellow at 

 apex, above the base of the petiole; minutely punctate and striate; 

 covered with silvery hairs. 



Abdomen: Petiole shining black, slightly hairy and sericeous; 

 main portion of abdomen ovate, pointed at apex, black except the 

 first dorsal segment, which has a yellow band on its posterior mar- 

 gin, broadening out at the sides; nonpunctate and not more than 

 very slightly sericeous except the last dorsal and ventral segments, 

 which are hairy and punctate. 



Legs : Black ; more or less silvery sericeous, the tarsi being especi- 

 ally so; coxae and trochanters, and sometimes the femora, sparsely 

 hairy; tarsal claws dark ferruginous, with a minute tooth near the 

 middle on the inner surface; spines on legs fuscous. 



