188 HYMENOPTERA. 



133. MEGACHILE RUFICORNIS, n. s. 



Female. Length 6 lines. Black, the antennae and mandibles 

 red, the latter dusky at their tips ; the head and disk of the thorax 

 covered with fulvous pubescence, at the sides and beneath it is 

 cinereous ; the legs rufo-testaceous ; wings hyaline, yellowish at 

 their anterior margins, tegulae and nervures pale rufo-testac'eous ; 

 all the apical margins jof the abdominal segments have a narrow 

 white fascia ; beneath, the brush is very pale yellow, at its sides 

 and at the apex intermixed' with black hairs. 



Hob. Brazil. (Coll. F. Smith.) 



i 



134. MEGACHILE SQUALENS. 



Megachile squalens, Halid. Trans. Linn. Soc. xvii. 320. 15. 

 Hab. St. Paul's, Brazil. (Coll. W. W. Saunders, Esq.) 



135. MEGACHILE RUFIPENNIS. 



Apis rufipennis, Fabr. Ent. Syst. ii. 335. 89? 

 Anthophora rufipennis, Fabr. Syst. Piez. p. 373. 2? 

 Megachile rufipennis, St. Faro. Hym. ii. 334. 7- 

 Hab. St. Croix ; South America. 



136. MEGACHILE BREVIS. B.M. 

 Megachile brevis, Say, Bost. Journ. Nat. Hist. i. 407 (1837). 

 Hab. North America ; Mount Pleasant, Ohio. 



137. MEGACHILE FEMORATA, n. s. B.M. 



Male. Length 6 lines. Black, the face covered with long 

 bright yellow pubescence, on the vertex it is ochraceous ; an- 

 tennae subcapitate, the apical joint compressed ; mandibles short, 

 armed with three teeth at their apex, and with a stout tooth at 

 their base beneath. Thorax, the disk covered with yellow pu- 

 bescence, which in recent specimens is bright, but in most ex- 

 amples dull ochraceous ; on the sides the pubescence is paler ; 

 wings hyaline, their apical margins faintly clouded ; the anterior 

 legs pale rufo-testaceous, their tarsi white, densely fringed with 

 long white pubescence, the femora have a similar fringe at their 

 base behind ; the intermediate and posterior femora incrassate ; 

 the basal joint of the intermediate tarsi very much thickened, 

 rounded, and polished behind ; the intermediate and posterior 

 tibiae arcuate, the apical segment of the abdomen having a ragged 

 notch in the middle, on each side of which the margin has several 

 small incisions. 

 Hab. United States. 



