182 HYMENOPTERA OF AMERICA NORTH OF MEXICO 



*asperatus Dasch. Alaska. 



Syrphophilus asperatus Dasch, 1964. Amer. Ent. Inst. Mem. 3: 60, 71. 



9. 



bizonarius (Gravenhorst) . Transf. from Diplazon Nees, Sup. 1, p. 57 (teste 

 Dasch, 1964, pp. 60, 61). 



ichneumonoides (Provancher) , Transcont. in Canad. Zone. Transf. from Di- 

 plazon Nees, Sup. 1, p. 57 {teste Dasch, 1964, pp. 61, 65). 



*tricinctorius niveus Dasch. Mass., Sask., Alta., Alaska south to S. C. and 

 Mo. 

 Syrphophilus tricinctorius niveus Dasch, 1964. Amer. Ent. Inst. Mem. 3: 

 67, 70. S, 9. 



tricinctorius tricinctorius (Thunberg), changed status. N. W. T. to Alaska, 

 south to N. C, N. Mex., Calif, in Huds., Canad., Transit. Zones. 

 Reduced to subsp. rank (teste Dasch, 1964, p. 68). 

 Bassus scapulatus Provancher (syn. teste Dasch, 1964, p. 68). 



iricinctus (Ashmead). N. W. T. to Alaska south to Que., Colo., Wash., in 

 Arctic and Huds. Zones. Transf. from syn. of Promethes elon- 

 gatus (Provancher), p. 350 (teste Dasch, 1964, pp. 60, 61, 72). 



♦Genus TYMMOPHORUS Schmiedeknecht 



Zootrephes of authors (in part) (= Zootrephus Thomson, emend.). 

 Tymmophorus Schmiedeknecht, 1913. Opusc. Ichn. 34: 2709, 2714. 



Type: Tymmophorus lacustris Schmiedeknecht = rufiventris 



(Gravenhorst). By monotypy. 



Place in Diplazontinae on p. 349, after *Syrphophilus Dasch. 



*fasciventris Dasch. Yukon, Alaska, Colo., Huds. Zone. 



Tymmophorus fasciventris Dasch, 1964. Amer. Ent. Inst. Mem. 3 : 75, 76, 



85. $, 9. 



*geHclus Dasch. N. W. T., Greenland, Arctic Zone. 



Tymmophorus gelidus Dasch, 1964. Amer. Ent. Inst. Mem. 3: 75, 87. $, 

 9. 



gillettii (Davis). Transf. from Syrphoctonus Foerster, p. 351 (teste Dasch, 

 1964, pp. 75, 81). 



*graculus graculus (Gravenhorst). Que. to B. C, Alaska, Yukon, south to 

 Colo., Wyo., Wash, in Huds. and Canad. Zones; Europe. 

 Bassus graculus Gravenhorst, 1829. Ichn. Europaea 3: 339. "? 9". 

 Taxonomy: Dasch, 1964. Amer. Ent. Inst. Mem. 3: 75, 76, 77. 



*graculus nigrofemoratus Dasch. N. W. T., Alta., B. C, Colo. 



Tymmophorus graculus nigrofemoratus Dasch, 1964. Amer. Ent. Inst. 

 Mem. 3: 77, 79. $, 9. 



rufiventris (Gravenhorst). Transf. from Diplazon Nees, Sup. 1, p. 57 (teste 

 Dasch, 1964, pp. 75, 76, 82). 



*thunbergi Dasch. Que. to Mass., west to B. C, Alaska. 



Tymmophorus thunbergi Dasch, 1964. Amer. Ent. Inst. Mem. 3: 75, 76, 

 79. $, 9. 



Genus PROMETHES Foerster, pp. 349-350, Sup. 1, p. 57 



Sussaba Cameron. Remove from syn. ; a valid genus, infra. 



cultriformis (Ashmead). Transf. to Sussaba Cameron, p. 350, as subsp. of 

 dorsalis (Holmgren). 



elongatus (Provancher). Transf . to Sussaba, p. 350. 



Bioblapsis tricincta Ashmead. Transf. to Syrphophilus Dasch, p. 349, as 



valid sp. 

 Promethes rohweri Brues. Transf. to Sussaba Cameron, p. 350, as valid 

 sp. 



