488 HYMENOPTERA OF AMERICA NORTH OF MEXICO 



argentata (Fabricius). Delete from Sup. 1, p. 244, a misident. of concinna 

 Smith, q. v. 



*concinna Smith. Pa. and Ohio south to Fla. and Ala., Okla., Ariz., Calif.; 

 presumably introduced from West Indies (recorded in error as 

 argentata (Fabricius) in Sup. 1). On flowers of Asclepias, Bidens, 

 Melilotus and Polygonum. 



Megachile concinna Smith, 1879. Descr. n. spp. Hym., p. 79. 9. 



Biology: Butler and Wargo, 1963. Pan-Pacific Ent. 39: 201-206, 1 fig. 



rotundata (Fabricius). Mass., Va., Oreg., Idaho. On flowers of Asclepias, 

 Medicago, Melilotus, Polygonum, Solidago, and Veronica. 

 Biology: Stephen and Torchio, 1961. Pan-Pacific Ent. 37: 85-93.— 

 Stephen, 1962. Oreg. Agr. Expt. Sta. Bui. 586, 16 pp., 9 figs. 



MEGACHILE subgenus DELOMEGACHILE Viereck, pp. 1174-1175 



addenda Cresson. Que. Visits flowers of several families, especially Legu- 

 minosae, Rosaceae, and Compositae. 



frigida appalachensis Mitchell. N. Y. to Ga. in the Appalachian Mts. On 

 flowers of Apocynum,, Baptisia, Coreopsis, Galax, Koellia, Pentste- 

 mon, Rhododendron, and Veronia. 



frigida frigida Smith. Visits a number of flowers, but principally Legumino- 

 sae. 



gemula Cresson. Ga. Visiting flowers of several families, but particularly 

 Compositae and Leguminosae. 



ingenua Cresson. Ga. On flowers of Lupinus, Tephrosia, and Vaccinium. 



melanophaea melanophaea Smith. Delete ? Ga. from range. Visits flowers of 

 a number of families, especially Leguminosae. 



melanophaea submelanophaea Mitchell. Maine, Mich. On flowers of Di- 

 centra and Lxipinus. 



mucida Cresson. On flowers of Lupinus, Polycodium, Rubus, and Tephrosia. 



MEGACHILE subgenus PHAENOSARUS Mitchell, p. 1175 



fortis Cresson. 111. On flowers of Dicrophyllum, Helianthus, Silphium, Soli- 

 dago, and Veronia. 

 Morphology (musculature of male metasoma and genitalia) : Fischer, 

 1957 (1956). Canad. Ent. 88: 657-673, 9 figs. 



MEGACHILE subgenus MEGACHILOIDES Mitchell, p. 1175 



oenotherae (Mitchell). Collects pollen of Oneothera, but also visits Cean- 

 othus and Pentstemon. 



MEGACHILE subgenus DEROTROPIS Mitchell, pp. 1175-1176 

 anograe Cockerell. Kans. 

 melanderi Mitchell. Calif. (Inyo Co.). 

 subanograe Mitchell. On flowers of Sphaeralcea. 



MEGACHILE subgenus XEROMEGACHILE Mitchell, pp. 1176-1178 



alata Mitchell. Ariz. On flowers of Prosopis. 



bradleyi Mitchell. Calif. (Antioch). 



brimleyi Mitchell. On flowers of Galactia primarily, but also on Erigeron. 



casadae Cockerell. Calif., Ariz. On flowers of Opuntia. 



dakotensis Mitchell. On flowers of Amorpha, Cleome, Helianthus, Kuhnis- 

 tera, Petalostemon, and Verbena. 



deflexa Cresson. On flowers of Bidens, Clethra, Erigeron, Phaseolus, and 

 Rhus. 



instita Mitchell. Calif., Ariz. On flowers of Acacia. 



