Superfamily APOIDEA 1963 



Biology: Graenicher, 1911. Pub. Mus. Milwaukee, Bui. 1: 222-225. —Stevens, 1920. Ent. News 

 31: 39. —Hicks, 1936. Canad. Ent. 68: 51. —Chandler, 1962. Ind. Acad. Sci., Proc. for 1961, 

 71: 124-129, 2 figs., 2 tables. — Kerfoot, 1967. Kansas Ent. See, Jour. 40: 84-93, 9 figs., 2 

 tables (nest architecture, behavior). —Kerfoot, 1967. Anim. Behavior 15: 479-486 (lunar 

 periodicity). 



Genus DIALICTUS Robertson 



Dialictus Robertson, 1902. Canad. Ent. 34: 48. 



Type-species: Halictus anomalus Robertson. Monotypic and orig. desig. 

 Chloralidus Robertson, 1902. Canad. Ent. 34: 248. 



Type-species: Halictus cressoni Robertson. Orig. desig. 

 Halictus subg. Gastrohalictns Ducke, 1902. Ztschr. System. Hym. Dipt. 2: 102. 



Type-species: Halictus os7uioides Ducke. Monotypic. 

 Halictomorpha Schrottky, 1911. Rev. Mus. Paulista 8: 81. 



Type-species: Halictomorpha phaedra Schrottky. Monotypic and orig. desig. 



Revision: Sandhouse, 1923. Canad. Ent. 55: 193. — Sandhouse, 1924. U. S. Natl. Mus., Proc. 65 



(19): 1-10. -Mitchell, 1960. N. C. Agr. Expt. Sta. Tech. Bui. 141: 368-445, figs. 95-102, 



tables 11-12 (eastern U. S. spp.). 

 abanci (Crawford). Minn, to N. B., south to Ga. 



Halictus abanci Crawford, 1932. Ent. Soc. Wash., Proc. 34: 71. 9. 

 abietus (Michener). Colo. 



Halictus (Chloralictus) abietum Michener, 1938. Ann. and Mag. Nat. Hist. (10) 18: 281. 9, 

 6. 

 absimilis (Sandhouse). Colo. 



Halictus absimilis Sandhouse, 1924. U. S. Natl. Mus., Proc. 65 (19): 21. 9. 



abundus (Sandhouse). N. Mex. 



Halictus abundus Sandhouse, 1924. U. S. Natl. Mus., Proc. 65 (19): 32. S. 



academicus (Sandhouse). Iowa, Colo. 



Halictus acade7nicus Sandhouse, 1924. U. S. Natl. Mus., Proc. 65 (19): 12. 9. 

 Halictus vintonensis Sandhouse, 1924. U. S. Natl. Mus., Proc. 65 (19): 22. 9. 



Taxonomy: Michener, 1951. In Muesebeck, Krombein and Townes, U. S. Dept. Agr., Agr. 

 Monog. 2: 1111 (synonymy). 

 accentus (Sandhouse). Colo. 



Halictus accentus Sandhouse, 1924. U. S. Natl. Mus., Proc. 65 (19): 38. <J. 



achilleae Mitchell. Mass. to N. C, Mich. 



Dialictus achilleae Mitchell, 1960. N. C. Agr. Expt. Sta. Tech. Bui. 141: 377. 9. 



actinosus (Sandhouse). Calif. 



Halictus actinosus Sandhouse, 1924. U. S. Natl. Mus., Proc. 65 (19): 13. 9. 

 actuarius (Sandhouse). Colo. 



Halictus actuanus Sandhouse, 1924. U. S. Natl. Mus., Proc. 65 (19): 25. 6. 

 admirandus (Sandhouse). Minn, to N. S., south to La. and Fla. 



Halictus admirandus Sandhouse, 1924. U. S. Natl. Mus., Proc. 65 (19): 14. 9. 



advertus Mitchell. Mass. (Reading). 



Dialictus advertus Mitchell, 1960. N. C. Agr. Expt. Sta. Tech. Bui. 141: 433, fig. 102. 6. 



alachuensis Mitchell. Ga., Fla. 



Dialictus alachuensis Mitchell, 1960. N. C. Agr. Expt. Sta. Tech. Bui. 141: 378. 9. 



albipennis (Robertson). N. S. to Oreg., south to N. C, 111., and Colo. Predator: Philanthus 

 politus politus Say. 

 Halictus albipennis Robertson, 1890. Amer. Ent. Soc, Trans. 17: 317. 9,6. 

 Halictus nubilis Lovell, 1905. Canad. Ent. 37: 40. 9. 



albitarsis (Cresson). Tex.,? Ont. 



Halictus albitarsis Cresson, 1872. Amer. Ent. Soc, Trans. 4: 254. 6. 



Taxonomy: Warncke, 1973. Soc. Royale Sci. Liege 42 (7-8): 294 (proposed replacement name). 



