100 BULLETIN 15, UNITED STATES NATIONAL MUSEUM. 



3. Head antcrioily from a litthi a.l)()ve the insertion of the antenna' and inelnding 

 ■ the lower part of cheeks, the cly|)(Mis, raandihh-s, ami palpi wliite. 

 Clypi'ns anteriorly trnneate. 



Anterior and middle legs white, sometimes the middle femora fuseous, pos- 

 terior legs fuscons, with sometimes most oi' the eoxa-, troehanters 



and base of the femora white 9 A. .mei,alkt(M's Dalm. 



Clypens anteriorly slightly emtirginate at the middle. 

 Pronotiim and all legs, except the apical half of posterior fenmra and their 



tibiic, white 9 A . albopictis sp. nov. 



Head anteriorly from a little above the insertion of the antennae and. inelnding 

 the loAver part of the cheeks, clypeiis, and mandibles, pale brownish 

 yellow; palpi white. 

 Clyi^ens anteriorly arcuate. 



Legs honey-yellow, the posterior tibia- fnscons 9 A. affinis sp. nov. 



Aphelopus rufiventris s]>. nov. 



$ . Length, 2 """. Head and thorax bhick, ininntely pnnctate ; ab- 

 domen rufous ; auteuuie and legs honey-yeHow. Antenn-e 10-jointed, 

 short, the llagelhini subchxvate ; scai)e stout, as long as the pedieel and 

 first flagellar joint united; first flagellar joint scarcely as long as the 

 pedicel, joints 2 aud 3 subecjual, those beyond scarcely as long as thick. 

 Mesonotuin with furrows indicated only anteriorly. Wings hyaline, 

 the nervures, excepting the stigmal, obsolete ; stigma very large, pale 

 brown, the stigmal vein very short, oblique, only about one-third as long 

 as"^ the stigma. Metathorax rounded ott" ])osteriorly, rather coarsely 

 rugose. Abdomen oblong-oval, much narrower than the thorax, but 

 fully as long, rufous. 



Habitat. — Jacksonville, Fla. 



Type in Coll. Ashmead. 



A species readily distinguished by tlie color of the abdomen, the au- 

 tenme, and the venation of anterior wings. 



Aphelopus ameiicanus Ashm. 

 Ent. Am., in, p. 74, ^ ; Cress., Syn. Hym., p. 247. 



$ . Length, 1.5™"'. Black, subopaque, finely punctate, and covered 

 with a fine wliitish pubescence ; mesonotum and scutellum smooth, 

 l)olished, with only a few faint widely sepaiated punctures ; clypcus 

 subtriangular. Antennae 10-jointed, long, reaching to the middle of the 

 abdomen, the scape brownish-yellow, the flagellum brown, covered with 

 a short, dense pubescence, the joints of the flagellum three times as 

 long as thick. Mesonotum with 2 faint furrows. Wings hyaline, the 

 stigma large brown, the other nervures very pale, or hyaline, the stig- 

 nnd vein being as long as the stigma. Legs honey-yellow, the postericu' 

 femora and tibia> fuscous or black. Abdomen very small, black, shining. 



Habitat. — Jacksonville, Fla. 



Type $ in Coll, Ashmead, 



