268 Hymenoptera in America North of Mexico 



koenigi Fischer. Que., N. H., Mass., Md., Ont., Mich., Wis., Calif.; Europe. 



Neoblacus nifipes Ashmead, 1900. U. S. Natl. Mus., Proc. 23: 122. Preocc. by Ashmead, 



1889 (1888). 

 Blacus koenigi Fischer, 1962. Ztschr. Angew. Ent. 58: 333. 9,3. 



Genus BLACUS Subgenus TARPHEION van Achterberg 



Blacus subg. Tarpheion van Achterberg, 1976 (1975). Tijdschr. Ent. 118: 185. 

 Type-species: Blacus {Tarpheion) chillcotti van Achterberg. Orig. desig. 

 chillcotti van Achterberg. Ont., N. J., N. C, Ga. 



Blacus {Tarpheion) chillcotti van Achterberg, 1976 (1975). Tijdschr. Ent. 118: 189. 9. 



NoMEN Nudum in Blacus Nees 



Blacus lithocolletidis Ashmead, 1910. In Smith, N. J. State Mus., Rpt., p. 607. 



Genus CENTISTES Haliday 



Leiophron subg. Ancylus Haliday, 1833. Ent. Mag. 1: 261. Preocc. by Mueller, 1774. 



Type-species: Leiophron {Ancylus) cuspidatus Haliday. Desig. by Viereck, 1914. 

 Leiophron subg. Centistes Haliday, 1835. Ent. Mag. 2: 462. 



Type-species: Leiophron {Ancylus) cuspidatus Haliday. Monotypic. 

 Ancyllus Haldeman, 1842. Acad. Nat. Sci. Phila., Proc. 1: 191. N. name for Ancylus 

 Haliday. Gray (1821) also proposed the name Ancyllus, but apparently only as an 

 emendation of Ancylus Mueller. 

 Euphoridea Ashmead, 1900. U. S. Natl. Mus., Proc. 23: 116. 



Type-species: Euphoridea claripennis Ashmead. Orig. desig. 

 Liosigalphus Ashmead, 1900. U. S. Natl. Mus., Proc. 23: 125. 



Type-species: Liosigalphus politus Ashmead. Orig. desig. 



Taxonomy: Shenefelt, 1969. Hym. Cat., part 4, p. 26-28 (cat. World spp.). 

 claripennis (Ashmead). Mich., Ky., Iowa, Ark. 



Euphoridea claripennis Ashmead, 1900. U. S. Natl. Mus., Proc. 23: 116. 

 excrucians (Haliday). Ont.; Europe. Host: Sitona scissifrons Say. 



Leiophron {Ancylus) excrucians Haliday, 1835. Ent. Mag. 2: 461. 9. 



Leiophron {Ancylus) lituratus Haliday, 1835. Ent. Mag. 2: 461. 9. 



Biology: Loan, 1964 (1963). Ent. Soc. Ont., Proc. 94: 56-61 (as excrucians). 

 Morphology: Loan, 1963. Ent. Soc. Amer., Ann. 56: 605-606 (larvae; as lituratus). 

 laevis (Cresson). Que., Pa., Ohio, Mich., S. D. Host: Amara exarata Dejean. 



Leiophron laevis Cresson, 1872. Canad. Ent. 4: 228. S. 



Sigalphzis trisectus Provancher, 1886. Addit. Corr. Faune Ent. Canada Hym., p. 143. 6. 



Eubadizon basilare Provancher, 1890. Nat. Canad. 19: 248. 9. 



Taxonomy: Mason, 1974. Ent. Soc. Wash., Proc. 76: 245. 



politus (Ashmead). D. C. 



Liosigalphus politus Ashmead, 1900. U. S. Natl. Mus., Proc. 23: 125. 



Genus PYGOSTOLUS Haliday 



Leiophron subg. Pygostolus Haliday, 1833. Ent. Mag. 1: 263. 

 Type-species: Cryptus stictus Fabricius. Monotypic. 



Taxonomy: Shenefelt, 1969. Hym. Cat., part 4, p. 122-124 (cat. World spp.). 

 falcatus (Nees). P. E. L, Ont., Man. Introduced from Sweden. Host: Sitona hispidulus {¥.), S. 

 lineatus (L.). Loan and Thompson (1972) indicate that this species might be Holarctic or 

 adventive and that the P. E. I. population probably did not develop from the colonies 

 introduced in Ont. and Man. 

 Leiophron falcatus Nees, 1834. Hym. Ichn. Aff. Monog., v. 1, p. 44. 9 . 



Biology: Loan and Holdaway, 1961. Bui. Ent. Res. 62: 473-488. —Loan, 1961. Jour. Econ. Ent. 

 54: 1026-1031. —Loan, 1963. Ent. Soc. Amer., Ann. 56: 605-606. —Loan, 1965. Jour. Econ. 

 Ent. 58: 798-799. -Loan and Thompson, 1972. Canad. Ent. 104: 779-780. 



