512 HYMENOPTERA OF AMERICA NORTH OF MEXICO 



Melissodes con fusiform is incondite Cockerell (syn. by LaBerge, 1961, loc. 

 cit. supra, p. 517). 



wheeleri Cockerell. Mich, and N. Dak. south to La. and Ariz. Oligolectic on 

 Compositae, preferably on Gaillardia, Uelianthus and Rudbeckia. 

 (Euntelissodes) 



Nomina Dubia in Mellissodes Latreille 



Plase after Genus Melissodes, p. 1229. 



americana (Lepeletier) . Transf. from p. 1223. 



intermedia Cresson. Transf. from p. 1225. 



pennsylvanica (Lepeletier). Transf. from p. 1227. 



philadelphica (Lepeletier). Transf. from synonymy of Peponapis pniinosa 

 pruinosa (Say), p. 1221. 



Genus SVASTRA Holmberg, Sup. 1, p. 253 



SVASTRA subgenus BRACHYMELISSODES LaBerge, Sup. 1, p. 253 



brevicomis (Cresson). Iowa. 



SVASTRA subgenus EPIMELISSODES Ashmeod, Sup. 1, p. 254 



machaeranlherae (Cockerell). N. Mex., Ariz., Calif. On flowers of Asclepias, 

 Baccharis, Cryptantha, Haplopappus, Helenium, Kallstroemia and 

 Melilotiis. 



obliqua obliqua (Say). 



Biology: Rozen, 1964. Amer. Mus. Novitates no. 2170, pp. 1-13, 15 figs. 



*pallidior LaBerge. Calif. (Riverside Co.). On flowers of Hoffmanseggia. 



Svastra (Epimelissodes) pallidior LaBerge, 1963. Kans. Ent. Soc. Jour. 

 36: 52. 9, $. 



sila (LaBerge). On flowers of Heicrof/ieca. Mexico (Baja Calif.). 



Genus XENOGLOSSODES Ashmead, pp. 1229-1230 



albertensis Cockerell. Transf. to Melissodes as a syn. of subagilis Cockerell. 



excurrens melanaspis (Cockerell). Transf. to Melissodes as a syn. of subgailis 



Cockerell. 



excurrens verbesinarum (Cockerell). Transf. to Melissodes as a valid sp. 



*Genus SYNTRICHALONIA LaBerge 



Syntrichalonia LaBerge, 1957. Amer. Mus. Novitates 1837: 10. 



Type: Melissodes exquisita Cresson. By monotypy and orig. 

 desig. 



Place before Tetralonia Spinola, p. 1230. 



*exquisita (Cresson). N. Mex.; Mexico. 



Melissodes exquisita Cresson, 1878, Acad, Nat, Sci, Phila, Proc, 30: 213, 



?, 

 Melissodes herricki Cockerell (transf, from Melissodes, p, 1225, and syn, 

 by LaBerge, 1957. Amer. Mus. Novitates 1837: 10). 



Genus TETRALONIA Spinola, pp. 1230-1233 



atriventris (Smith). Ga., Minn. On flowers of Aesculiis, Astragalus, Lu- 

 pinus, Mertensia, Rohinia, and Vicia. 

 Tetralonia robertsoni Cockerell, Syn, by Mitchell, 1962, loc. cit. supra, p. 

 313, 



belfragei (Cresson), Mich, Visits many flowers. 



fulvohirta (Cresson). On flowers of Elaeagnus and Vicia. 



hamata Bradley, Md, to Ga., west to Wis. and Miss. Visits a large number 

 of flowers, particularly Leguminosae, Rosaceae, Labiatae, and 

 Compositae. 



