730 Hymenoptera in America North of Mexico 



Type-species: Aclasto7ieura tricolor Kriechbaumer. Monotypic. 

 Mischoxorides Ashmead, 1900 Canad. Ent. 32: 368. N. name for Clepticus Haliday. 



This is a large genus; it is apparently known from all zoogeographic regions including the Aus- 

 tralian Region (one Samoan sp.). 



longicaudus (Provancher). Que., Maine, N. H., N. Y., N. J., N. C, Ga., Ala. 

 Cremastus longicaudus Provancher, 1882. Nat. Canad. 13: 367. 3,9. 



royi (Provancher). Que. s. to s. Ga. 



Cremastus Royi Provancher, 1882. Nat. Canad. 13: 366. 6,9. 



Genus DIALIPSIS Foerster 



Dialipsis Foerster, 1868. Naturh. Ver. Rheinlande, Verh. 25: 171. 



Type-species: Dialipsis exilis Foerster. Desig. by Viereck, 1914, from seven species 

 included by Foerster, 1871. 

 Parentypoma Strobl, 1901 (1900). Siebenbuerg. Ver. f. Naturw., Hermannstadt, Verh. u. 

 Mitt. 50: 71. 



Type-species: Parentypoma femoratum Strobl. Monotypic. The type-species is 

 regarded as a synonym of exilis Foerster. 



According to Townes (1971) this is a Holarctic genus of moderate size. Presumably there are 

 one or more unidentified or undescribed Nearctic species. 



Taxonomy: Townes, 1971. Amer. Ent. Inst., Mem. 17: 195-196. 



Genus PLECTISCIDEA Viereck 



Plectiscidea Viereck, 1914. U. S. Natl. Mus., Bui. 83: 118. 



Type-species: Plectiscus collaris Gravenhorst. Orig. desig. 



This is a very large genus of Neotropic, Holarctic, Oriental, and Ethiopian distribution. 



arctica (Roman). Greenland. 



Plectiscus arcticus Roman, 1930. Ann. and Mag. Nat. Hist. (10) 5: 284. 9. 

 carinata (Provancher). Que., N. Y. 



Orthocentrus carinatus Provancher, 1879. Nat. Canad. 11: 281. 6. 

 collaris (Gravenhorst). Greenland; Eurasia. 



Plectiscus collaris Gravenhorst, 1829. Ichn. Europaea, v. 2, p. 287. 9. 

 glabrifrons (Davis). Northern 111. 



Catastenus glabrifrons Davis, 1897. Amer. Ent. Soc, Trans. 24: 342. 6. 

 humeralis (Provancher). Que., B. C, w. Wash. 



Mesochorus humeralis Provancher, 1883. Nat. Canad. 14: 4. 9. 

 hyperborea (Holmgren). Greenland; Eurasia. 



Plectiscus hyperboreus Holmgren, 1869. Svenska Vetensk.-Akad. Handl. (n. f.) 8 (pt. 5): 21. 

 6, 9. 



Plectiscus bistriatus Thomson, 1888. Opusc. Ent. 12: 1299. 6, 9. 



Taxonomy: Roman, 1916. Archiv for Zool. 10 (22): 9. 

 lurida (Foerster). Greenland; Europe. 



Pantisarthrus luridus Foerster, 1871. Naturh. Ver. Rheinlande, Verh. 28: 100. 9. 

 nasoni (Davis). N. Y., n. 111. 



Miomeris nasoni Davis, 1897. Amer. Ent. Soc, Trans. 24: 244. 9. 



Miomeris naso7iii Dalla Torre, 1901. Cat. Hym., v. 3, p. 20. Emend. 

 nigra (Provancher). Que. 



Plectiscus niger Provancher, 1883. Nat. Canad. 14: 6. i, 9. 

 orcae (Ashmead). N. H., N. Y., Alaska. 



Plectiscus orcae Ashmead, 1902. Wash. Acad. Sci., Proc. 4: 240. 9. 

 parva (Cushman). N. H. 



AperilaptusO) parvus Ashmead, 1897. In Slosson, Ent. News 8: 237. Nomen nudum. 



Plectiscus parvus Cushman, 1922. U. S. Natl. Mus., Proc. 61 (8): 22. 9. 



