462 HYMENOPTERA OF AMERICA NORTH OF MEXICO 



abanci (Crawford). Minn, to N. B., south to Ga. Taken on flowers of 

 Aruncus, Houstonia, Krigia, Melilotus, Rubus, and Rudbeckia. 



*achilleae (Mitchell), n. comb. Mass. to N. C, Mich. Taken on flowers of 

 Achillea, Ceanothus, and Hydrangea. 

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



377. 9. 



admirandum (Sandhouse). Minn, to N. S., south to La. and Fla. Visits a 

 large number of flowers. 



*advertum (Mitchell) , n. comb. Mass. (Reading). 



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



433, fig. 102. $. 



*alachuense (Mitchell), n. comb. Ga., Fla. 



Dialictus alachuensis Mitchell, 1960. N. C. Agr. Expt. Sta. Tech. Bull. 

 141: 378. ?. 



albipenne (Robertson). N. S. to Oreg., south to N. €., 111. and Colo. Visits a 

 number of flowers. 



*alternatum (Mitchell), n. comb. Mass. to Va., Ohio, Mich. 



Dialictus alternatus Mitchell, 1960. N. C. Agr. Expt. Sta. Tech. Bull. 

 141: 433. $. 



anomalum (Robertson). Alta. and Colo, east to N. S., south to Ala. and Ga. 

 Visits flowers of Aster, Capsellum, Ceanothus, Houstonia, Hy- 

 poxis, and Solidago. 



apertum (Sandhouse). Minn, to Maine, south to La. and Ga. Visits a 

 number of flowers. 



*apocyni (Mitchell), n. comb. W. Va., Ohio, Ind., Tenn. Taken on flowers of 

 Apocynum cannabinum. 

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

 381. ?. 



apopkense (Robertson). N. C. to Fla., Miss. Visits a number of flowers. 



ashineadii (Robertson). Syn. of creberrimmn (Smith). 



*atlanticum (Mitchell), n. comb. Mass., N. Y., W. Va., N. C. Taken on 

 flowers of Apocynum, Barbarea, Melilotus, and Vernonia. 

 Dialictus atlanticus Mitchell, 1960. N. C. Agr. Expt. Sta. Tech. Bull. 

 141: 383, fig. 99. ?. 



*banksi (Mitchell), n. comb. Mich, to N. S., south to N. C. and Tenn. Taken 

 on flowers of Apocynum, Melilotus, and Solidago. 

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



434, fig. 102. $. 



basilicum (Sandhouse). Minn, to Conn. 



*brassicae (Mitchell), n. comb. N. C, Fla. Taken on flowers of Brassica and 



Stachys. 

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



384. 9. 

 bruneri (Crawford). Nebr. to N. Y., south to Fla. Visits a number of 



flowers. 



brycinci (Crawford). Syn. of perpunctatiiin (Ellis). 



californiae (Ellis). Change spelling in sp. heading from calforniae to califor- 

 niae. Change author's name in sp. heading from Sandhouse to 

 Ellis; in cit. of orig. descr., change author from Sandhouse to 

 Ellis in Sandhouse. 



callidum (Sandhouse). 111. and Mich, to New England, south to N. C. Taken 

 on flowers of Celeri, Fagopyrum,, Melilotus, and Solidago. 



cattellae (Ellis). Ohio, Que., New England, south to Ga. Taken on flowers of 

 Aruncus, Chrysanthemum, Houstonia, Malus, Rubus, Rudbeckia, 

 and Viburnum. 



