Monographie der Bienengattungen Megacilissa, Caupolicana, Diphaglossa und Oxaea. 6g 



fulvous pubescence, becoming dark rufo-fuscous between the wings and posteriorly so 

 on the metathorax; wings fulvo-hyaline, with the nervures ferruginous, the costal ner- 

 vure black; the legs black and with black pubescence, the tarsi ferruginous; the pube- 

 scence on the femora beneath pale fulvous. Abdomen with fulvous pubescence on the 

 basal Segment and also on the two apical ones; on the intermediate ones it is very short, 

 thin and black; beneath, the Segments are fringed with long fulvous pubescence. Long. 

 8 lines (= 17 mm.). 



»Venezuela.« 



Tragen Ventralsegment 6 und die hinteren Schiensporen welche Bewehrung oder 

 auffallende Bildung? 



10. Megacilissa notabilis Sm. 



1861. Megacilissa notabilis Smith, 9, Journ. of Entom., I, pag. 14g, n. i. 



»9. Capite thoraceque nigris, thorace abdominisque basi pube fuliginoso-nigra 

 dense vestitis; abdomine rubro; alis subhyalinis. Long. 8 lines {= 17 mm.). 



»Head and thorax black, the cheeks and clypeus densely covered with short white 

 downy pubescence; eyes very large and approximate at their vertex; the mandibles 

 short and slender, bidentate at their apex; the flagellum piceous beneath. Thorax wider 

 than the heäd, densely clothed with short downy sooty-black pubescence, having a vel- 

 vety appearance; the legs obscure ferruginous, with fuscous and black pubescence; the 

 metathorax has a triangulär smooth shining space behind; the wings subhyaline, their 

 nervures blackish-brown. The abdomen of a deep flesh-coloured red; the basal Seg- 

 ment fringed with sooty-black pubescence, the 2 apical segments thinly covered with 

 black hairs; the segments beneath fringed with black hairs. 



»St. Domingo. Br. Mus.« 



1 1 . Megacilissa electa Cress. 



1878. Megacilissa electa Cresson, cT, Proc. Acad. Nat. Sc. Philadelphia, p. 221. 

 i8g3. Megacilissa electa Fox, cf, Psyche, VI, pag. 421. 



»cf. Black; head and thorax clothed with a short dense fulvous pubescence, paler 

 laterally and beneath; wings pale yellowish hyaline, dusky on apical margin, 2. sub- 

 marginal cell about one-third the length of first and narrowed nearly one-half towards 

 the marginal; legs long and slender, clothed with ochraceous pubescence, tibiae and 

 tarsi pale fulvous; abdomen clothed with a short black pubescence, longer an apical 

 segments, that on i. segment above and 2 basal segments beneath, ochraceous, extreme 

 sides of 2. dorsal segment fringed with pale ochraceous pubescence. Long. 075 inch. 

 (= ig mm.). 



»I cT Georgia (Morrison), Nordamerika.« 



12. Megacilissa yarrowii Cress. 



1875. Megacilissa yarrowi Cresson, cf 9, Reg. geogr. and geol. Explor. and Surv., 



loo^'^ Merid., V, pag. 728, n. loi. 

 i8g3. Megacillisa yarrowi Fox, d 5, Psyche, VI, pag. 421. 



» Q. Black; head, thorax, legs and basal segment of abdomen clothed with a rather 

 long, dense, ochraceous pubescence; wings subhvaline, dusky beyond the cells; apical 

 margin of 2. — 4. segments of abdomen with a narrow continous band of white pube- 



