Superfamily ICHNEUMONOIDEA 555 



Type-species: Tryphon trifasciatus Cresson. By subsequent monotypy from 

 inclusion by Davis, 1897. 

 Exochoides Cresson, 1868. Amer. Ent. Soc, Trans. 2: 37. 



Type-species: Exochoides mexicana Cresson. Desig. by Viereck, 1914. 

 Ischyrocnemopsis Ashmead, 1900. U. S. Natl. Mus., Proc. 23: 81. 



Type-species: Exochoides texana Cresson. Monotypic and orig. desig. 

 Aithris Cameron, 1900. Manchester Lit. and Phil. Soc, Mem. and Proc. 44 (15): 106. 



Type-species: Aithris coenutus Cameron. Monotypic. 

 Inoresa Cameron, 1909. Bombay Nat. Hist. Soc, Jour. 19: 724. 



Type-species: Inoresa pilosa Cameron. Monotypic 

 Sychiioleteroides Brethes, 1909. Buenos Aires Mus. Nac. de Hist. Nat., An. 19: 229. 



Type-species: Sychnoleteroides flaims Brethes. Monotypic. 



This is a large subgenus of Neotropic, Holarctic, and Oriental distribution. 



crassipes (Provancher). Maine s. to S. C, w. to Wis. 



Cteniscus crassipes Provancher, 1886. Addit. Corr. Faune Ent. Canada Hym., p. 109. 9. 

 Barron (1975) was unable to locate any syntype. 



Taxonomy: Barron, 1975. Nat. Canad. 102: 456. 

 fultoni Townes. Eastern Va., e. N. C, e. S. C. 



Colpotrochia iColpotrochia) fultoni Townes, 1959. In Townes and Townes, U. S. Natl. Mus. 

 Bui. 216 [pt. 1]: 132. 9. 

 texana (Cresson). N. C, S. C, Ga., Fla. 



Exochodes (!) texana Cresson, 1872. Amer. Ent. Soc, Trans. 4: 167. 6. 

 Ischyrocnewis Carolina Ashmead, 1890 (1889). U. S. Natl. Mus., Proc 12: 443. 6. 



trifasciata (Cresson). N. S. s. to Ga., w. to Minn, and e. Kans. 



Tryphon^ trifasciatus Cresson, 1864. Ent. Soc. Phila., Proc 3: 276. 6. 



Genus PERIOPE Haliday 



Periope Haliday, 1838. Ann. Nat. Hist. 2: 114. 



Type-species: Periope auscultator Haliday. Monotypic. 

 Monoplectron Holmgren, 1856 (1854). Svenska Vetensk.-Akad. Handl. 75: 81. 



Type-species: Monoplectron zygaenator Holmgren. Monotypic. The type-species is 

 regarded as a synonym of P. auscultator Haliday. 

 Oligoplectron Foerster, 1868. Naturh. Ver. Rheinlande, Verh. 25: 161, 218, 219. 

 Unnecessary n. name for Periope Haliday. The variant spelling Oligoplectrum appeared 

 on p. 218. 

 Monoplectrochus Heinrich, 1949. Muenchen. Ent. Gesell, Mitt. 35-39: 109. 



Type-species: Monoplectrochus hoerhammeri Heinrich. Monotypic and orig. desig. 



This is a small Holarctic genus. 



aethiops (Cresson). Que. w. to e. Alta., s. to n.w. S. C. and e. Nebr. Ecology: Occurs in late 

 summer and early fall and is often found on flowers of Aster. 

 Tryphon aethiops Cresson, 1868. Amer. Ent. Soc, Trans. 2: 106. 9. 

 Chorinaeus pulchripes Provancher, 1883. Nat. Canad. 14: 12. 9. 



Genus SPUDAEUS Gistel 



Trachydenna Gravenhorst, 1829. Ichn. Europaea, v. 3, p. 283. Preocc. by Latreille, 1829 



(April). 



Type-species: Tmchydervia scabra Gravenhorst. Monotypic. 

 Spudaeus Gistel, 1848. Naturgesch. Thierr. f. Hoeh. Schul., p. xi. N. name for Trachyderma 



Gravenhorst. 

 Tylocomnus Holmgren, 1873. Svenska Vetensk.-Akad., Ofvers. af ... Forh. 30 (4): 76 N. 



name for Trachyderma Gravenhorst. 



This is a small Holarctic genus. 



indigus (Davis). N. S. w. to B. C, s. to N. H., Mich., and Colo. 



Tylecomnus (!) indigus Davis, 1897. Amer. Ent. Soc, Trans. 24: 204. 6,9. 



