472 HYMENOPTERA OF AMERICA NORTH OF MEXICO 



Conanthalictus deserttcola Timberlake, 1961. Pan-Pacific Ent. 37: 152. 

 $. (Described under heading Conanthalictus namatophilus Tim- 

 berlake, new species.) 



*mentzeliae Timberlake. Southern Calif. On flowers of Mentzelia, Malacoth- 

 rix and Phacelia. 

 Conanthalictus mentzeliae Timberlake, 1961. Pan-Pacific Ent. 37: 156. 



$, ?. 

 *minor Timberlake. Southern Calif. On flowers of Nama, Oenothera, and 

 Phacelia 

 Conanthalictus minor Timberlake, 1961. Pan-Pacific Ent. 37: 151. $, ?. 

 (Described under heading Conanthalictus deserticola Timberlake, 

 new species.) 



*namatophilus Timberlake. Calif. (Riverside Co.). On flowers of Nama and 

 Oenothera. 

 Conanthalictus namatophilus Timberlake, 1961. Pan-Pacific Ent. 37: 

 153. $, 9. (Described under heading Conanthalictus minor Tim- 

 berlake, new species.) 



♦nigricans Timberlake. Southern Calif. On flowers of Phacelia and Cryp- 

 tantha. 

 Conanthalictus nigricans Timberlake, 1961. Pan-Pacific Ent. 37: 149. $, 

 9. 



CONANTHALICTUS subgenus SPHECODOSOMA Crawford, p. 1130 



*dicksoni Timberlake. South. Calif., Tex. (Davis Mts.) ; Mexico (Durango). 

 On flowers of Nama and Coldenia. 

 Conanthalictus dicksoni Timberlake, 1961. Pan-Pacific Ent. 37: 158. ?, 



pratti (Crawford). On fiowers of Lesquerella. 



DUFOUREA subgenus HALICTOIDES Nylander, pp. 1130-1134 

 monardae (Viereck). Tenn. 



novaeangliae (Robertson). Mo. and Mich, to N. J. and Maine. Taken on 

 flowers of Fagopyrum and Pontederia. 



Family MELITTIDAE 



MELITTA subgenus MELIHA Kirby, p. 1134 



americana (Smith). Maine to Ga., Miss. Taken on flowers of Polycodium 

 and Ruhus. 



MELITTA subgenus DOLICHOCHILE Viereck, p. 1134 



melittoides (Viereck). Conn, to Ga., Tenn. Taken on flowers of Polycodium, 

 Xolisma and Zenobia. 



HESPERAPIS subgenus PANURGOMIA Viereck, p. 1135 



fulvipes Crawford. 



Biology: Hurd, 1957. Kans. Ent. Soc. Jour. 30: 10. 



regularis (Cresson). Visiting Chorizantha douglasi for nectar, and Clarkia 

 unguiculata for pollen. 

 Biology: Burdick and Torchio, 1959. Kans. Ent. Soc. Jour. 32: 83-87, 7 

 figs. 



MACROPIS subgenus MACROPIS Panzer, p. 1136 



ciliata Patton. Wis. to Que. and Maine, south to Ga. Taken on flowers of 

 Apocynum, Houstonia, and Hydrangea. Remove nuda (Pro- 

 vancher) from syn. (a valid sp.). 



morsei Robertson. Syn. of nuda (Provancher). 



