202 Hymenoptera in America North of Mexico 



Genus DIACHASMA Foerstcr 



Diachasma Foerster, 1862. Naturh. Ver. Rheinlande, Verb. 19: 259. 



Type-species: Opius fulgidus Haliday. Orig. desig. 

 Bathystomus Foerster, 1862. Naturh. Ver. Rheinlande, Verb. 19: 235. 



Type-species: Bathystomus xanthopus Foerster. Orig. desig. 

 Atoreuteus Foerster, 1862. Naturh. Ver. Rheinlande, Verh. 19: 241. 



Type-species: Atoreuteus striatus Foerster. Orig. desig. 



Revision: Fischer, 1965. Polskie Pismo Ent. 35: 155-165 (No. Amer. spp., as subgenus of 

 Opius). 



Taxonomy: Fischer, 1967. Abt. Zool. Bot. Landsmus. Joanneum Graz, Mitt. 26: 159 

 (resurrection to generic rank). —Fischer, 1971. Index World Opiinae, p. 33-36 (cat. World 

 spp.). 

 alloeum (Muesebeck). Que., N. B., Maine, Conn., N. Y., Pa., Fla., Ont., Mich., Wis., Minn. Host: 

 Rhagoletis mendax Curran, R. pomonella (Walsh). 

 Opius alloeus Muesebeck, 1956. Ent. News 67: 101. 9,6. 



Biology: Boush and Baerwald, 1967. Ent. Soc. Amer., Ann. 60: 865-866. 

 columbicola (Fischer). S. C. 



Opius {Diachasma) columbicola Fischer, 1965. Polskie Pismo Ent. 35: 158. S. 

 ferrugineum (Gahan). Ont. s. to N. J.; Fla., S. Dak. Host: Rhagoletis cingulata cingulata 

 (hoew),R.fausta (0. S.). 

 Opius ferrugineus Gahan, 1915. U. S. Natl. Mus., Proc. 49: 75. 9, 6. 



Taxonomy: Muesebeck, 1956. Ent. News 67: 99-101. 

 muliebre (Muesebeck). Wash., Oreg., Calif. Host: Rhagoletis sp., R. cingulata indifferens 

 Curran. 

 Opius muliebris Muesebeck, 1956. Ent. News 67: 100. 9. 

 nigrifactum (Fischer). Wis. 



Opius {Diachasma) nigrifactus Fischer, 1965. Polskie Pismo Ent. 35: 163. i. 



SUBTRIBE OPIINA 



Genus EURYTENES Foerster 



Eurytenes Foerster, 1862. Naturh. Ver. Rheinlande, Verh. 19: 259. 

 Type-species: Opius abnormis Wesmael. Orig. desig. 



Taxonomy: Fischer, 1965. Polskie Pismo Ent. 35: 165-167. 

 abnormis (Wesmael). S. C, Ont., Minn., Sask., N. Dak., Mont.; Europe. 



Opius abnormis Wesmael, 1835. Nouv. Mem. Acad. Sci. Bruxelles 9: 117. 9, 3. 



Genus OPIUS Wesmael 



Opius Wesmael, 1835. Nouv. Mem. Acad. Sci. Bruxelles 9: 115. 



Type-species: Opius pallipes Wesmael. Desig. by Muesebeck and Walkley, 1951. 

 Psyttalia Walker, 1860. Ann. and Mag. Nat. Hist. (3) 5: 311. 



Type-species: Psyttalia testacea Walker. Monotypic. 

 Xynobius Foerster, 1862. Naturh. Ver. Rheinlande, Verh. 19: 235. 



Type-species: Xynobius pallipes Foerster. Orig. desig. 

 Holconotus Foerster, 1862. Naturh. Ver. Rheinlande, Verh. 19: 259. Preocc. by Agassiz, 

 1854. 



Type-species: Opius comatus Wesmael. Orig. desig. 

 Apodesmia Foerster, 1862. Naturh. Ver. Rheinlande, Verh. 19: 259. 



Type-species: Apodesmia taeniata Foerster. Orig. desig. 

 Allotypus Foerster, 1862. Naturh. Ver. Rheinlande, Verh. 19: 259. 



Type-species: Opius irregularis Wesmael. Orig. desig. 

 Pkaedrotoma Foerster, 1862. Naturh. Ver. Rheinlande, Verh. 19: 260. 



Type-species: Phaedrotoma depeculator Foerster. Orig. desig. 

 Eutrichopsis Foerster, 1862. Naturh. Ver. Rheinlande, Verh. 19: 260. 



