HALICTIDAE 467 



*Dialictus lepidus Mitchell, 1960. N. C. Agr. Expt. Sta. Tech. Bull. 141: 

 438. $. (Syn. by Mitchell, 1962, N. C. Agr. Expt. Sta. Tech. Bull. 

 152: 547.) 



*weemsi (Mitchell), n. comb. N. C, Ga. Taken on flowers of Melilotus 

 officinalis. 

 Dialictus iveemsi Mitchell, 1960. N. C. Agr. Expt. Sta. Tech. Bull. 141: 

 431, fig. 99. 9. 



*wheeleri (Mitchell) , n. comb. Mass. (Forest Hills). 



Dialictus wheeleri Mitchell, 1960. N. C. Agr. Expt. Sta. Tech. Bull. 141: 



445. $. 



zephyrum (Smith). Maine to Ga., west to Minn., Colo, and Tex., Utah, Oreg. 

 Visits a great number of flowers. 

 Biology: LaBerge and Isakson, 1963. Ent. News 74: 113-116.— Lin, N., 

 1964. Ins. Sociaux 11: 187-192 (reaction to mutillid parasitism). 

 — Batra, 1964. Ins. Sociaux 11 : 159-186, 20 figs. 



LASIOGLOSSUM subgenus PARALICTUS Robertson, p. 1119 



*asieris (Mitchell), n. comb. N. Y. to N. C., west to Mich., Ind. and Tenn. 

 Taken on flowers of Aster and Robinia. 

 Paralictus asteris Mitchell, 1960. N. C. Agr. Expt. Sta. Tech. Bull. 141: 



446. ?, $. 



cephalotes (Dalla Torre). Minn, to Conn., south to N. C. Taken on flowers 

 of Gonolohus, Leiicanthemum, and Salix. Host: Lasioglossum 

 (Dialictus) inconspicuuvi (Sm.) and other spp. of this subgenus. 



^michiganense (Mitchell), n. comb. Mich. (Wayne Co.). 



Paralictus michiganensis Mitchell, 1960. N. C. Agr. Expt. Sta. Tech. 

 Bull. 141: 448. ?. 



platyparium (Robertson). Minn., Mich., and Md. south to Tenn. and Ga. 

 Taken on a number of flowers. 



simplex (Robertson). Mich, to Mass., south to N. C. Taken on flowers of 

 Achillea, Ranunculus, Rubus, Solidago and Zizia. 



Species of Lasioglossum, Subgenus Doubtful, p. 1119 

 cincdpes (Provancher). Transf. to Lasioglossum subg. Evylaens, p. 1106. 



Genus SPHECODES Latreille, pp. 1120-1123 



antennariae Robertson. Wis. and Mich, to N. C. Taken on flowers of Anten- 

 naria. Aster and Pycnanthemum. 



*aroniae Mitchell. Va., N. C. Taken on flowers of Aronia and Ilex. 



Sphecodes aroniae Mitchell, 1960. N. C. Agr. Expt. Sta. Tech. Bull. 141 : 



474. 9, $. 



banksii Lovell. Minn, to N. Y., south to Fla. Taken on flowers of Euphorbia 

 and Melilotus. 



canadensis Mitchell. Syn. of coronus Mitchell. 



*castaneae Mitchell. Va. (Falls Church). 



Sphecodes castaneae Mitchell, 1960. N. C. Agr. Expt. Sta. Tech. Bull. 

 141: 480. 9. 



clematidis Robertson. Man. and Kans. to N. S., south to N. C. Taken on 

 flowers of Aruncus, Ceanothus, Clematis, Daucus, Pastinaca, and 

 Solidago. 

 Sphecodes obscurans Lovell and Cockerell (syn. by Mitchell, 1960, too. 

 cit. supra, p. 481). 



confertus Say. Minn, and Colo, to N. S., Tex. and Ga. Visits flowers of 

 Asclepias, Cicuta, Ptelea, Pycnanthemum, Rhus, and Salix. 

 Sphecodes pithanus Lovell (syn. by Mitchell, 1960, lac. cit. supra, p. 

 482). 



