Records of Bees. 237 



side, the foiiitli to sixth with pale bands, on fourth slightly 

 iiitenupted, on fifth entire, on sixth widely interrupted, and 

 emarginate on each side anteriorly ; apical plate broad, trun- 

 cate, finely longitudinally striate ; venter without yellow 

 markings. 



Carcarana, Argentina {L. Bruner^ Q&). 



Kelated to N. pampicola, Holmbg., but much larger, with 

 red head and thorax. The type is in U.S. National Museum. 



Nomada harcelonensis, nom. nov. 

 Nomada excellens, Pei-ez, 1913 (uot CklL 1903). 



Barcelona, Spain. 



Augochlora [Odontochlora) thetis (Schrottky). 



San Bernardino, Paraguay {K. Fiehrig). Collected 

 Nov. 2. 



Diadasia imitatruv (Schrottky). 

 San Bernardino, Paragua}'^ (K. Fiebrig). 



Megachile stomatura^ sp. n. 



^ . — Length about 8'5 mm. 



Rather narrow, with nearly parallel-sided but not much 

 elongated abdomen. Black, the small joints of tarsi ferrugi- 

 nous, and anterior femora with a large, polished, shining, 

 ferruginous surface on inner side, occupying about the apical 

 two-thirds. Head broader than thorax ; face (except upper 

 part of clypeus) and cheeks covered with white iiair, that on 

 face faintly yellowish; clypeus with rather large punctures on 

 a shining ground ; maxillary palpi very short j antennae long 

 and slender, reaching extreme base of abdomen ; flagellum 

 obscurely brown beneath ; metathorax and sides of thorax 

 with long white hair, dorsal surface with little hair, on meso- 

 thorax short, thin, and brown, but there is a band of white 

 hair on postscutellum, a thin band in scutello-mesothoracic 

 suture, and a conspicuous white tuft on each side of meso- 

 thorax posteriorly ; mesothorax and scutellum duUisii, tiie 

 former with small weak puncturts, distinctly separate on 

 disc ; tegulas piceous, reddened posteriorly. Wings brownish 

 hyaline, with a dark cloud from region of stigma along njar- 

 ginal cell to apex, darkest at end of maiginal cell. Anterior 

 C0X3S without spines; anterior tarsi simple ; hind tibiae poste- 

 riorly covered with white tomentum, conspicuous in an 



