184 HYMENOPTERA OF AMERICA NORTH OF MEXICO 



rohweri (Brues). Alaska, Yukon, Sask. south to Calif., N. Mex., Canad., 

 Transit Zones. Hosts: Endrosis sarcitrella (L.) and Metasyrphus 

 pe7-plexus (Osborn). Transf. from syn. of elongatus (Pro- 

 vancher), a valid species (teste Dasch, 1964, pp. 244, 245, 254). 



*rugipleuris ellesmerae Dasch. Ellesmere Is. 



Sussaba rugipleuris ellesmerae Dasch, 1964. Amer. Ent. Inst. Mem. 3: 

 261, 262, 263. $, ?. 



*rugipleuris rugipleuris Dasch. N. W. T., Yukon, Alaska, Wyo. Arctic, 

 Huds. Zones. 

 Sussaba rugipleuris rugipleuris Dasch, 1964. Amer. Ent. Inst. Mem. 3: 

 243,244,260,261, 262. $, ?. 



Genus HOMOTROPUS Foersfer 



Hotnotropus Foerster. Remove from syn. of Syrphoctonus Foerster, Sup. 

 1, p. 57, a valid genus (teste Townes, Townes and Gupta, 1961, p. 

 329). 



Place in Catalog before Syrphoctonus Foerster, on p. 350 (Sup. 1, p. 57). 



alaskensis (Ashmead). Yukon. Transf. from Syrphoctonus Foerster, p. 350 

 (teste Dasch, 1964, p. 118). 



albopictus albopictus Davis, changed status. N. W. T., Yukon south to Mich., 

 Idaho, B. C, also N. Mex. Reduced to subsp. rank (teste Dasch, 

 1964, p. 101). 



*aIbopictus ithacae Dasch. N. S., N. W. T., Que., to N. C. west to Wye, 

 Utah, Wash., Oreg. 

 Homotropus albopictus ithacae Dasch, 1964. Amer. Ent. Inst. Mem. 3: 

 101, 103. $, 9. 



*aquilonius Dasch. Greenland. 



Homotropus aquilonius Dasch, 1964. Amer. Ent. Inst. Mem. 3: 94, 135. 



?. 



*arizonensis Dasch. Colo., Ariz., Calif. 



Homotropus arizonensis Dasch, 1964. Amer. Ent. Inst. Mem. 3: 90, 96, 



114. $, 9. 



'''badius Dasch. Calif. 



Homotropus badius Dasch, 1964. Amer. Ent. Inst. Mem. 3: 91, 99, 170. 



5, ?. 



belangerii (Provancher) . Ont. Transf. from Syrphoctonus Foerster, p. 350 

 (teste Dasch, 1964, pp. 90, 96, 116. 5,9). 



*coIumbiensis Dasch. Alta., B. C. south to Calif., Utah, Colo. 



Homotropus colutnbiensis Dasch, 1964. Amer. Ent. Inst. Mem. 3: 94, 99, 

 123. S, ?. 



*compactus Dasch. Mich., N. W. T., Colo., Wash., Oreg. 



Homotropus compactus Dasch, 1964. Amer. Ent. Inst. Mem. 3: 90, 96, 

 119. $, 9. 



*confertus Dasch. Que., N. Mex., B. C. 



Homotropus confertus Dasch, 1964. Amer. Ent. Inst. Mem. 3: 92, 97, 

 142. 3, 9. 



cressonii (Davis). Transf. from Syrphoctonus Foerster, p. 350 (teste Dasch, 

 1964, pp. 92, 178). 



cuhriformis (Davis). Alaska. Transf. from Syrphoctonus Foerster p. 350, 

 Sup. 1, p. 57 (teste Dasch, 1964, pp. 91, 99, 179). 



decoratus (Cresson). Mex. Transf. from Syrphoctonus Foerster, p. 350 

 (teste Dasch, 1964, pp. 93, 99, 127). 



*elegans (Gravenhorst) . Baffin Is., Que., Ont., Mich. 



Bassus elegans Gravenhorst, 1829. Ichn. Europaea 3: 313. $. 

 *Bassus rufonotatus Holmgren, 1856. Svenska Vetensk.-Akad. Handl. (n. 

 s.) 1: 369. $, 9. 



