' Species of Aculeate Hymeiioj^tera. 35 



Sub-family 4. CRYPTOCERIDiE. 

 Genus Cryptocerus, Latr. 

 1. Cryptocerus atrala, Linn. Syst. Nat, i. 9C5, 16. 

 Hab. Monte Video; Rio Janeiro; Para; Quito; Cayenne. 



2. Cryptocerus nmmtus, Fabr. Syst. Piez. p. 4/?a, 5. 



Family MUTILLID^, Leach. 

 Genus MuTiLLA, Linn. 

 Mutllla Araneoides. 

 M. nigra, capite parvo, supra lateritio-flavo ; thorace antice 

 plaga triangular!, postice maculis duabus transversis lateritio- 

 flavis ; abdomine maculis duabus dorsalibus albis, lineisque 

 variis transversis interruptis-albis, ornato. 

 Female. Length 65 lines. Black and pubescent; the head 

 above, a triangular patch on the thorax in front and an ovate spot 

 on each side of the metathorax reddish-yellow ; the cheeks have a 

 cinereous pubescence ; the head is narrower than the thorax ; the 

 legs have a thin glittering silvery-white pubescence; the spines 

 and calcaria black. Abdomen, an interrupted narrow band on the 

 posterior margin of the basal segment, two large ovate spots on 

 the second, and an interrupted band on the third and fourth seg- 

 ments, of yellowish-white pubescence. 



Mutllla xanthocerata. 

 M. aterrima, antennis rubro-flavis scapo nigro, capite magno 

 atro, thoracis dorso maculis duabus transversis, lineis duabus 

 longitudinalibus albis ; abdomine supra nigro maculis duabus 

 medianis albis ; lineaque alba antica interrupta, maculisque 

 duabus oblongis albis prope apicem. 

 Female. Length ] lines. Black, pubescent ; the head large, 

 sub-quadrate, the eyes round and prominent; the flagellum orange- 

 red. Thorax not so wide as the head, slightly narrowed pos- 

 teriorly, with three obtuse teeth on each side before the middle ; 

 an oblique transverse silvery-white macula on each side in front, 

 nearly uniting in the middle, and a longitudinal narrow white line 

 on each side of the metathorax, the posterior margin of which is 

 white; the legs have a cinereous villosity, the tibiae furnished with 

 several short black spines, tlie calcariag at their apex pale tes- 

 taceovis. Abdomen: an interrupted silvery -white band on the basal 

 segment, two circular white spots on the second segment, and a 



D 2 



