600 Hymenoptera in America North of Mexico 



Taxonomy: Townes, 1945. Amer. Ent. Soc, Mem. 11: 519 (suppressed as syn. of Mesoleius 

 visoris Davis). —Townes, 1970 (1969). Amer. Ent. Inst., Mem. 13: 124 (regarded as not 

 congeneric with M. visoris). 

 euurae (Ashmead). Northeastern Calif. Host: Ponta^iia resinicola (Marl.). 



Bassus euurae Ashmead, 1890 (1889). U. S. Natl. Mus., Proc. 12: 440. S. 

 insularis (Ashmead). Southwestern Alaska, Wash. 



Zootreplies insularis Ashmead, 1902. Wash. Acad. Sci., Proc. 4: 225. 6. 

 kukakensis (Ashmead). Southwestern Alaska. 



Calliphrurus kukakensis Ashmead, 1902. Wash. Acad. Sci., Proc. 4: 222. 9. 

 lituratus (Holmgren). Southeastern N. W. T.?; n. Eurasia. Recorded from Akpatok Isl., N. W. 

 T. by Poulton (1934); specimen apparently identified by C. Ferriere. 

 Mesoleius lituratus Holmgren, 1857 (1855). Svenska Vetensk.-Akad. Handl. (n. f.) 1: 147. 



6. 

 Mesoleius Sahlbergi Woldstedt, 1874. Bidr. till Kann. Finlands Nat. 21: 44. 9. 

 Mesoleius (Saot2is) rubidus Thomson, 1883. Opusc. Ent. 9: 935. 9. Syn.?; suppressed as a 



syn. of lituratus "var." Sahlbergi by Roman (1909). 

 Mesoleius sahlbergii Dalla Torre, 1901. Cat. Hym., v. 3, p. 266. Emend. 



Taxonomy: Roman, 1909. In Hamberg, naturw. Untersuch. Sarekgebirges 



Schwedisch-Lappland, v. 4, p. 346. —Poulton, 1934. Ann. and Mag. Nat. Hist. (10) 14: 53. 



— Hellen, 1950. Notulae Ent. 30: 29 (syn.). —Townes, Momoi, and Townes, 1965. Amer. 



Ent. Inst., Mem. 5: 262 (generic placement). 

 picens (Davis). Colo., Alta. 



Holmgrenia picens Davis, 1898 (1897). Amer. Ent. Soc, Trans. 24: 294. 9. 

 sexcarinatus (Ashmead). Alaska. 



Polyterus sexcarinatus Ashmead, 1902. Wash. Acad. Sci., Proc. 4: 217. 9. 



Genus SMICROLIUS Thomson 



Syndip7ius subg. S7)iicrolius Thomson, 1895. Opusc. Ent. 19: 2008. 



Type-species: Sy7idip7ius {Sinicrolius) parvicalcar Thomson. Monotypic. 



According to Townes (1970) this small Holarctic genus includes two undescribed Nearctic spe- 

 cies. 



Taxonomy: Townes, 1970 (1969). Amer. Ent. Inst, Mem. 13: 124. 



Genus MESOLEIUS Holmgren 



Mesoleius Holmgren, 1856 (1854). Svenska Vetensk.-Akad. Handl. 75: 69. 



Type-species: Tryphoyi aulicus Gravenhorst. Desig. by Viereck, 1912. 

 Allocritus Foerster, 1868. Naturh. Ver. Rheinlande, Verb. 25: 211. 



Type-species: Mesoleius tenuiventris Holmgren. Monotypically included and desig. 

 by Perkins, 1962. 

 Cryptocentrus Walsh, 1873. Acad. Sci. St. Louis, Trans. 3: 156. Preocc. by Ehrenberg, 1837. 



Type-species: Tryphon submarginatus Cresson. Monotypic. 

 Mesolius Pfankuch, 1906. Ztschr. System. Hym. Dipt. 6: 85. Emend. 

 Alfkenia Pfankuch, 1906. Ztschr. System. Hym. Dipt. 6: 89. Syn.? 



Type-species: Ichneumon integrator Mueller. Monotypic. 

 Habrodevius Schmiedeknecht, 1913. Opusc. Ichn., v. 5, p. 2799. 



Type-species: Mesoleius elongatus Brischke. By subsequent monotypy from 

 inclusion by Schmiedeknecht, 1914. 



This is a large Holarctic genus. 



Taxonomy: Townes, 1970 (1969). Amer. Ent. Inst., Mem. 13: 125 (restriction of definition and 



list of Nearctic spp. remaining in genus). 

 articularis Davis. Sask., Colo.?, Wash. 



Mesoleius articularis Davis, 1898 (1897). Amer. Ent. Soc, Trans. 24: 300. 9. 

 audax Davis. N. H. 



Mesoleius audax Davis, 1898 (1897). Amer. Ent. Soc, Trans. 24: 299. 9. 



