140 



E. T. CRESSON. 



Figure 15. 



4. Ceropales Robinsonii, n. sp. (Fig. 15.) 



Mak. — Black, polished, impunctured ; face silvery; orbits, broader 



iu front, face, spot above autenniTe, clypeus, labrum, mandibles and 



palpi, lemon-yellow ; antennae 

 longer than usual, thickened 

 beyond the middle, black, the 

 three basal joints yellow, tinged 

 with ferruginous above ; poste- 

 rior margin of the prothorax, 

 as well as a spot on each ante- 

 rior angle, a spot on the poste- 

 rior middle of the mesothorax, 

 another on the scutellum and 

 post-scutellum, a transverse line 

 on each extreme posterior angle 

 of the metathorax, and a spot 

 on each side of the thorax just 

 above the intermediate coxjb, 

 all lemon-yellow ; pleura and 



Ccropnles Robinsonii, % . 



metathorax silvery-sericeous, the latter much flattened behind ; wings 

 hyaline, slightly tinged with yellowish, iridescent; legs honey -yellow, 

 the posterior pair longer than usual; the coxjb spotted with yellow, 

 tips of the femora, the anterior tibiae, tips of the intermediate pair and 

 all the tarsi, yellow; tips of the tarsi, and the incisures of the posterior 

 pair, blackish; abdomen honey-yellow, an ovate yellow spot on each 

 side of the second, third and fourth segments, much larger on the se- 

 cond; venter immaculate. Length 4 lines. 



Hub. — West Virginia, (^Coll. Am. Ent. Soc). 



One S specimen. This is the most elegant species of Ceropales 

 that I have seen, and it gives me great pleasure to dedicate it to my 

 kind and generous friend, Coleman T. llobinson, of New York, in 

 whom American Entomology finds a most liberal patron. 



r.. Ceropales fraterna. 



Ceropales /raterna, Siuitli, Brit. Mus. Oat. Hym. iii, p. ISO, 9 • 

 Female. — Black ; orbits broad in front and interrupted on the sum- 

 mit, clypeus, except a longitudinal black spot iu front, and the labrum 

 lemon-yellow; antennae robust, rather long, the two basal joints beneath 

 more or less yellowish ; thorax opaque, with numerous deep punctures; 

 posterior margin of prothorax, as well as a spot on each anterior angle, 

 u spot on scutellum, sometimes wanting, a transverse line on post-sou- 



