ICHNEUMONIDAE 181 



*Ba8sus multicolor Holmgren, 1856. Svensk. Vet.-Akad. Handl. (n.s.) 1: 



Bassus deietus Thomson, 1890. Opusc. Ent. 14: 1471. $, ?. 



*deletus fuscifemoratus Dasch. Alaska, Yukon south to Oreg., Utah, Colo. 



Diplazon deietus fuscifemoratus Dasch, 1964. Amer. Ent. Inst. Mem. 3: 

 41,43. S, 9. 



*flavifrons Dasch. B. C, Wash., Calif. 



Diplazon flavifrons Dasch, 1964. Amer. Ent. Inst. Mem. 3: 10, 12, 39. $, 



?. 



*galenensis Dasch. Idaho (Galena Summit, Blaine Co.). 



Diplazon galenensis Dasch, 1964. Amer. Ent. Inst. Mem. 3: 11, 14, 45. $, 



9. 



ichneumonoides {Proyancher) . Transf. to Syrphophilus Dasch. 



Bassus scapulaius Provancher. Transf. to syn. of Syrphophilus tricincto- 

 rius tricmctorius (Thunberg). 



*insulcatus Dasch. Alta., Wash. 



Diplazon insulcatus Dasch, 1964. Amer. Ent. Inst. Mem. 3: 10, 12, 58. $, 



9. 



laetatorius (Fabricius). 



Biology: Weems, 1954. Ohio Jour. Sci. 54: 45-54. — Butler and Dasch, 

 1958. Ariz. Agr. Exp. Sta. Tech. Bui. 135: 5-7. 



orbitalis (Cresson). Transcont. in Huds., Canad. Transit, zones, but mostly 



west of 100° W. longitude. 

 Bassus orbitalis Cresson. Deleted from syn. of tibiatorius (Thunberg) ; a 



valid species {teste Dasch, 1964, pp. 11, 13, 29). 

 Bassus cinctulus Cresson (syn. teste Dasch, 1964, p. 29). 

 Bassus orbitalis Ashmead (syn. teste Dasch, 1964, p. 29). 



pectoratorius (Thunberg). Transit. Zone into Mexico. 



rufiventris (Gravenhorst) . Transf. to Tymmophorus Schmiedeknecht. 



scutellaris (Cresson). Canad. Zone. 



*tetragonus rufigaster Dasch. Que., Mass., N. Y., Mich., N. W. T., Sask., 

 Mont., Alta., Alaska, B. C, Wash. 

 Diplazon tetragonus rufigaster Dasch, 1964. Amer. Ent. Inst. Mem. 3 

 25,28. $, 9. 



tetragonus tetragonus (Thunberg), changed status. Reduced to subsp. rank 

 (teste Dasch, 1964, p. 25). 

 * Bassus albicornis Provancher, 1879. Nat. Canad. 11: 273 (lapsiis for 

 albicoxus Provancher) . 



tibiatorius (Thunberg). Remove, in sensu strictu, from catalog. 

 Bassus orbitalis Cresson. Remove from syn. ; a valid sp. 

 Bassus cinctulus Cresson. Syn. of orbitalis (Cresson). 

 Bassus orbitalis Ashmead. Syn. of orbitalis (Cresson). 



^tibiatorius occidentalis Dasch. Alta. to Yukon and B. C. south to Calif., 

 Ariz., Colo. D. tibiatorius tibiatorius (Thunberg) occurs in Eu- 

 rasia. 

 Diplazon tibiatorius occidentalis Dasch, 1964. Amer. Ent. Inst. Mem. 3: 

 33, 34. S, 9. 



*wallevi Dasch. N. W. T., Yukon, Man. 



Diplazon walleyi Dasch, 1964. Amer. Ent. Inst. 3: 11, 14, 23. $,9. 



Genus SYRPHOPHILUS Dasch 



Zoolrephes of authors (in part) {=iZootrephus Thomson, emend). 

 Syrphophilus Dasch, 1964. Amer. Ent. Inst. Mem. 3 : 8, 59. 



Type: Bassus bizonarius Gravenhorst. Orig. desig. 



Place in Diplazontinae after genus Diplazon Nees, p. 349, 



