HYMENOPTERA. 129 



yellow, the mandibles ferruginous, rounded, their apex edentate. 

 Thorax, the sides have a short pale pubescence, most dense on 

 the collar and post-scutellum ; wings subhyaline, iridescent, their 

 apical margins slightly clouded ; the tibiae and tarsi above rather 

 densely covered with a short pale fulvous or yellow pubescence, 

 the tarsi fulvous beneath, claws ferruginous. Abdomen ovate, 

 delicately punctured ; all the segments have a narrow white mar- 

 ginal fringe, the two first usually interrupted. 

 Hab. East Florida. (E. Doubleday, Esq.) (Coll. F. Smith.) 



2. CALLIOPSIS FLAVIPES. 



Male. Length 3 lines. Black, the face, labrum, mandibles, 

 scape, flagellum beneath, tubercles and legs bright yellow ; the 

 wings hyaline, iridescent, and faintly clouded at their apical mar- 

 gins ; the disk of the thorax and the vertex have a slight aeneous 

 tinge ; the pubescence on the sides of the thorax pale ochraceous, 

 most dense on the post-scutellum. Abdomen ovate, the mar- 

 gins of the segments testaceous, and having a fringe of short 

 pale pubescence usually more or less interrupted on the two 

 basal segments ; the apex has on each side a short floccus of 

 bright pale pubescence. 

 Hab. East Florida. (E. Doubleday, Esq.) (Coll. F. Smith.) 



3. CALLIOPSIS MACULATUS. 



Female. Length 4 lines. Black, the sides of the clypeus, a, 

 coronet-shaped spot above, on each side of it a minute lunate 



rt, and another at the base of the mandibles, yellow ; the 

 jellum fulvo-testaceous beneath. Thorax, the disk has a ful- 

 vous pubescence, on the metathorax and beneath it is griseous ; 

 the wings hyaline, iridescent, their apical margins having a slight 

 fuscous cloud, the tegulae testaceous ; the tibiae and tarsi above 

 have a glittering pale yellow pubescence, on the tarsi beneath 

 it is bright fulvous, the claw-joints ferruginous ; the calcariac 

 ferruginous, the extreme base of the anterior and intermediate 

 tibiae yellow. Abdomen ovate, the margins of the segments nar- 

 rowly testaceous, and having a marginal fascia of pale ochraceous 

 pubescence, on the two basal segments usually nearly obliterated. 

 Hab. East Florida. (E. Doubleday, Esq.) (Coll. F. Smith.) 



4. CALLIOPSIS FLAVIFRONS. 



Male. Length 4 lines. Black, the face, scape of the an- 

 tennae in front, labrum and mandibles yellow, the latter have a 

 black line on their inferior margin and are ferruginous at the 



G 5 



