556 Hymenoptera in America North of Mexico 



scaber umbrosus (Davis). Southern Alta. s. to Ariz., w. to s. B. C. and Calif. S. scaber scaber 

 (Gravenhorst) is European. 

 Tylecomnus (!) umbrosus Davis, 1897. Amer. Ent. Soc, Trans. 24: 203. 9. 



Genus BOTHROMUS Townes 



Bothromus Townes, 1959. In Townes and Townes, U. S. Natl. Mus. Bui. 216 [pt. 1]: 142. 

 Type-species: Tylecomnus (!) minoris Davis. Orig. desig. 



This is a small Nearctic genus. 



Revision: Walley, 1966. Canad. Ent. 98: 1272-1275. 

 bicolor Walley. Que., S. Dak., Alta., B. C.,' Wash. 



Bothrovnis bicolor Walley, 1966. Canad. Ent. 98: 1273. 9. 

 cruralis Townes. Northeastern Calif. 



Botlirot)ius ntinoris cruralis Townes, 1959. In Townes and Townes, U. S. Natl. Mus. Bui. 

 216 [pt. 1]: 144. 9. 

 gibbus Townes. Ont., w. Colo., Alta., B. C. Host: Eupithecia ravocostaliata Pack, on willow, 

 geometrid on willow. 

 Bothrovnis gibbus Townes, 1959. In Townes and Townes, U. S. Natl. Mus. Bui. 216 [pt. 1]: 

 145. S, 9. 

 minoris (Davis). Que., Maine, N. H., N. Y., Ont., Mich., Sask.?, s. B. C. Host: Eupithecia sp. on 

 Ceanothus sanguineus, E. castigata Hbn.? on Betula papyrifera, geometrid on Alnus. 

 Tylecomnus (!) minoris Davis, 1897. Amer. Ent. Soc, Trans. 24: 204. 9. 



Genus APOLOPHUS Townes 



Apolophus Townes, 1971. Amer. Ent. Inst., Mem. 17: 111. 



Type-species: Apolophus borealis Townes. Monotypic and orig. desig. 



This is a small Neotropic and Holarctic genus. 



borealis Townes. Northern Mich., w. Oreg., n.w. Calif.; Germany. 



Apolophus borealis Townes, 1971. Amer. Ent. Inst., Mem. 17: 112. 9. 



Genus LEURUS Townes 



Leurus Townes, 1946. Bol. Ent. Venezolana 5: 59. 



Type-species: Exochus caeruliventris Cresson. Monotypic and orig. desig. 



This is a small Neotropic and Nearctic genus. I have seen an undescribed species from eastern 

 N. C; hopefully, it will soon be described by Mr. T. P. Nuhn. 



caeruliventris borealis Townes. Southeastern Mass. s. to Fla., w. to s. Mich., e. Kans. and La. 

 Host: Desmia funeralis (Hbn.). L. caeruliventris caeruliventris is Neotropic. 

 Leurus caeruliventris borealis Townes, 1959. hi Townes and Townes, U. S. Natl. Mus. Bui. 

 216 [pt. 1]: 149. 6,9. 



Genus SETICORNUTA Morley 



Megatrema Cameron, 1907. Ztschr. System. Hym. Dipt. 7: 468. Preocc. by Leach, 1825 and 

 Mayr, 1865. 



Type-species: Megatrema albopilosa Cameron. Monotypic. 

 Seticomuta Morley, 1913. Fauna Brit. India, Hym., v. 3, pt. 1, p. 310. 



Type-species: Seticomuta albicalcar Morley. Monotypic and orig. desig. The 

 type-species is regarded as a synonym of S. albopilosa (Cameron). 



This is a small Oriental and Holarctic genus. 



apicalis (Cresson). R. I. s. to n. Fla., w. to Wis., Nebr., and Ala. Host: Acrobasis betulella 



Hulst, A. caryivorella Rag., A. indigenella (Zell.), A. juglaiidis (LeB.), A. syiviella Ely. 

 Exochus apicalis Cresson, 1864. Ent. Soc. Phila., Proc. 3: 285. "6" = 9. 



