MEGACHILroAE 481 



The subgenus Melanosmia does not occur in North America (teste Sinha, 

 1958, loc. cit. supra, p. 212). 



austromaritima Michener. Transf. from subg. Nothosmia Ashmead, p. 1167 

 (teste Sinha, 1958, loc. cit. supra, p. 243). 



bakeri Sandhouse. Transf. from subg. Nothosmia Ashmead, p. 1167 (teste 

 Sinha, 1958, loc. cit. supra, p. 244). 



bucephala Cresson, changed status. Visits vernal flowers of many families. 



Delete tarsata Prov., a valid sp., from syn. 

 Osmia (Melanosmia) bucephala bucephala Cresson. Raised to sp. rank 



(teste Sinha and Michener, 1958, loc. cit. supra, p. 278). 

 Osmia (Melanosmia) bucephala subornata Cockerell. (Syn. by Sinha and 



Michener, 1958. loc. cit. supra, p. 278). 



bucephala subornata Cockerell. Syn. of bucephala Cresson. 



inerm.i8 (Zetterstedt) . Transf. to subg. Chenosmia Sinha. 



nigriventris (Zetterstedt). Minn. Delete xanthonielaena Smith, a valid Pala- 

 eractic sp., from syn. 



pikei Cockerell. Transf. from subg. Nothosmia Ashmead, p. 1170 (teste 



Sinha, 1958, loc. cit. supra, p. 244). 

 Osmia (ISothosmia) integrella Cockerell (syn. by Sinha and Michener, 



1958, loc. cit. supra, p. 294). 

 Osmia (Nothosmia) universitatis Cockerell (syn. by Sinha and Michener, 



1958, loc. cit. supra, p. 294). 



*raritatis Michener. Colo., Wash., Calif. 



Osmia raritatis Michener, 1957. Kans. Ent. Soc. Jour. 30: 40, figs. 1, 3, 



5. $. 



tanneri Sandhouse. Transf. from subg. Nothosmia Ashmead, p. 1171 (teste 

 Sinha, 1958, loc. cit. supra, p. 244). 



tarsata Provancher, changed status. Que. 



Osmia (Melanosmia) bucephala bucephala Cresson of Catalog, in part. 

 O. tarsata Prov. is a valid sp. (teste Mitchell, 1962, loc. cit. supra, 

 p. 78). 



*thysaiiisca Michener. Oreg., Wyo. On flowers of Trifolium. 



Osmia thysanisca Michener, 1957. Kans. Ent. Soc. Jour. 30: 39, fig. 2. $. 



vandykei Sandhouse. Transf. from subg. Nothosmia Ashmead, p. 1171 (teste 

 Sinha, 1958, loc. cit. supra, p. 244). 



OSMIA subgenus ACANTHOSMIOIDES Ashmead, pp. 1165-1166 



hendersoni Cockerell. Cancel transfer to subg. Melanosmia Schmiedeknecht 

 (Sup. 1, p. 242) and transf. to subg. Monilosmia Robertson (teste 

 Sinha, 1958, loc. cit. supra, p. 241). 



integra integra Cresson. ? Mich. 



kenoyeri Cockerell. Cancel transfer to subg. Melanosmia Schmiedeknecht, 

 (Sup. 1, p. 243) (teste Sinha, 1958, loc. cit. supra, p. 239). 



liogastra Cockerell, Transf. to subg. Nothosmia Ashmead, p. 1169. 



lupinicola Cockerell. Transf. to subg. Nothosmia Ashmead, p. 1169. 



morongana Cockerell. Transf. to subg. Nothosmia Ashmead, p. 1169. 



prunorum Cockerell. Transf. to subg. Nothosmia Ashmead, p. 1170. 



OSMIA subgenus NOTHOSMIA Ashmead, pp. 1167-1171 



Delete Monilosmia Robertson from synonymy and place it as a valid 

 subgenus after subgenus Nothosmia Ashmead, p. 1171. 



albiventris Cresson. Ga. On flowers of several families, mainly Leguminosae 

 and Rosaceae. 



albolateralis albolateralis Cockerell. Transf. to subg. Monilosmia Robertson. 



