70 HYMENOPTERA OF AMERICA NORTH OF MEXICO 



Genus De/omer/sfa Foerster, p. 191 

 Transf. to Theroniini, p. 202. 



Genus PERITHOUS Holmgren, p. 191 



divinator (Rossi). Que., Conn., Pa., Mich., Wis. Hosts: Pemphredonini in 

 stem of Rosa, Pemphredon lethifer Shuckard. 

 Biology: Thomas, 1964. Mich. Acad. Sci. Arts Letters, Papers 49: 

 199-201. 



mediator neomexicanus (Viereck), changed status. Va., Oreg., Calif. Host: 

 Pemphredon errans Roh. P. mediator mediator (Fab.) is Euro- 

 pean. 

 Perithous pleuralis Cresson of Catalog, in part. P. neomexicana removed 

 from syn. and made subsp. (teste Townes and Townes, 1960, p. 

 213) ; change p. 87 to p. 88 in cit. of neomexicana. 



mediator pleuralis (Cresson), changed status. Alaska, Sask. and east of 

 Rocky Mts. Host: Pemphredon harbecki Roh. (?). 

 Perithous pleuralis Cresson (reduced to subsp. rank by Townes and 

 Townes, 1960, p. 211). N. B., neomexicana Viereck removed from 

 syn. and placed as subsp. of mediator. 

 Biology: Krombein, 1960. Ent. News 71: 31. 



pleuralis (Cresson). A subsp. of mediator (Fabricius) ; (neomexicana Vier- 

 eck removed from syn. and made subsp. of mediator (Fabri- 

 cius) . 



Tribe POLYSPHINCTINI 



Biology: Nielsen, Ent. Meddel. v. 14, pp. 137-205 (1923); v. 16, pp. 



152-155 (1928) ; pp. 366-368 (1929) ; v. 19, pp. 192-215 (1935) ; v. 



20, pp. 25-28 (1937). 

 Taxonomy: Townes and Townes, 1960. U. S. Natl. Mus. Bui. 216 (Pt. 



2) : 216-279 (keys to genera and species inch). 



Genus Clistopyga Gravenhorst, p. 1 92 

 Transf. to Ephialtini and place after Zaglyptus Foerster, p. 191. 



Genus ACRODACTYLA Haliday, p. 192 



Colpomeria Holmgren. Change type desig to: (Colpomeria laevigata 

 Holmgren) = quadrisculpta Gravenhorst, (teste Townes and 

 Townes, 1960, p. 230). 



*degener (Haliday). Transcont. in Huds., Canad., and Transit. Zones; Eu- 

 rope. 



Cryptus (Acrodactyla) degener Haliday, 1838. Ann. Nat. Hist. 2(8): 

 117. $, 9. 



Symphylus hadrodactylus Foerster, 1871. Naturh. Ver. Rheinlande Verh. 

 28: 106. $, 9. 



Taxonomy: Townes and Townes, 1960, pp. 231, 233. 



*jubata Townes. Yukon, Wash., Colo. 



Acrodactyla jubata Townes, 1960. In Townes and Townes, U. S. Natl. 

 Mus. Bui. 216 (Pt. 2): 231. 9. 



*ocelIata Townes. Que. to N. C, Mich. Host: Linyphia phrygiana C.L.K. 



Acrodactyla ocellata Townes, 1960. In Townes and Townes, U. S. Natl. 

 Mus. Bui. 216 (Pt. 2) : 231, 232. S, 9. 



*quadrisculpta (Gravenhorst). Transcont. in Huds., Canad. and Transit. 



Zones; Eurasia. Host: Tetragnatha lahoriosaYientz. 

 Ichneumon quadrisculptus Gravenhorst, 1820. Mem. Accad. Sci. Torino 



24: 378. $. 

 Colpomeria laevigata Holmgren. 1859. Ofvers. Svenska Vetensk. Akad. 



Forh. 16: 127. 



