HALICTIDAE 459 



Nomadopsis xenus Rozen, 1958. Calif. Univ. Pubs. Ent. 15: 209, map 7. 

 $, ?. 



*zebrata bobbae Rozen, Ariz. (Navajo and Coconino Counties). (Macrono- 

 madopsis) 

 Nomadopsis zehrata bobbae Rozen, 1958. Calif. Univ. Pubs. Ent. 15: 

 107. $, 9. 



zebrata zebrata (Cresson), changed status. Colo., Wyo., N. Mex. On flowers 

 of Astragalus. ( Macrononiadopsis) 

 Nomadopsis zebrata (Cresson). Reduced to subsp. rank (teste Rozen, 

 1958, loc. cit. supra, p. 106). 



*zonalis sierrae Rozen. Calif. (Eldorado Co.). On flowers of Monardella, 

 Solidago. (Nomadopsis) 

 Nomadopsis zonalis sierrae Rozen, 1958. Calif. Univ. Pubs. Ent. 15: 71. 



Biology: Rozen, 1963, loc. cit. supra, pp. 2-6. 



zonalis zonalis (Cresson), changed status. Calif., central and south coasts. 

 On flowers of Monardella. (Nomadopsis) 

 Nomadopsis zonalis (Cresson). Reduced to subsp. rank (teste Rozen, 

 1958, loc. cit. supra, p. 71); 



CALLIOPSIS subgenus CALLIOPSIS Smith, p. 1103 



andreniformis Smith. Visits a great number of flowers. 



Calliopsis lepida Cresson (syn. by Mitchell, 1960, loc. cit. supra, p. 288). 



coloradensis Cresson. Alta. to N. Mex., east to 111. and Ga., N. C. Visits a 

 number of flowers. 



lepida Cresson. Syn. of andreniformis Smith. 



maculata Smith. Delete from Catalog; apparently it is a South American 

 species of Acamptopoeum (?). 



CALLIOPSIS subgenus PERISSANDER Michener, p. 1104 



anomoptera Michener. On flowers of Euphorbia albomarginata. 

 Biology: Krombein, 1961. Ent. News 72: 82-83. 



Genus XENOPANURGUS Michener, Sup. 1, p. 229 



readioi Michener. Mexico (Dist. Fed.). 



Taxonomy: Shinn, 1964. Ent. News 75: 74 (5, 5). 



Family HALICTIDAE 



Biology: Sakagami and Michener, 1962. The Nest Architecture of the 



Sweat Bees, 135 pp., 181 figs. 

 Taxonomy: Eickwort and Fischer, 1963. Ent. Soc. Amer. Ann. 56: 



348-354 (value of hind tibial spur) . 



HALICTUS subgenus HALICTUS Latreille, pp. 1104-1105 



ligatus Say. Visits a number of flowers. 



Biology: Knerer and Atwood, 1962. Ent. Soc. Ontario Proc. 92: 160. 



parallelus Say. On flowers of Melilotus, Potentilla, Rhus, Rubus and Soli- 

 dago. 



rubicundus (Christ). Visits a number of flowers. 



Biology: Knerer and Atwood, 1962, loc. cit. supra, p. 162. 



HALICTUS subgenus SELADONIA Robertson, p. 1105 



confusus confusus Smith. Visits a number of flowers. 



Biology: Knerer and Atwood, 1962, loc. cit. supra, p. 161. 



