Superfamily ICHNEUMONOIDEA 229 



segmentata Fischer. Md. 



Synaldis segmentata Fischer, 1967. Polskie Pismo Ent. 37: 464. 9. 



sensillosa Fischer. Md. 



Synaldis sejisillosa Fischer, 1967. Polskie Pismo Ent. 37: 448. 9. 



spiraculosa Fischer. Md. 



Synaldis spiraculosa Fischer, 1967. Polskie Pismo Ent. 37: 448. 9. 



trematosa Fischer. Mich. 



Syyialdis trematosa Fischer, 1967. Polskie Pismo Ent. 37: 474. 9. 

 ulmicola Ashmead. Ohio, Mo., Kans. 



Synaldis uhuicola Ashmead, 1889 (1888). U. S. Natl. Mus., Proc. 11: 651. 9. 



Unplaced Taxa of Alysiini 



Dinotrema soror Brues, 1907. Wis. Nat. Hist. Soc, Bui. 5: 59. Type lost. 



Nomina Nuda in Alysiini 



Mesothesis abdojninalis Ashmead, 1905. In Nason, Ent. News 16: 293. 

 Coloboma americana Ashmead, 1905. hi Nason, Ent. News 16: 293. 

 Aspilota davisii Ashmead, 1905. In Nason, Ent. News 16: 293. 

 Orthostigma delicata Ashmead, 1902. In Slosson, Ent. News 13: 321. 

 Delocarpa dimidiata Ashmead, 1905. In Nason, Ent. News 16: 293. 

 Apkaereta dolosa Viereck, 1928. N. Y. State Mus., Bui. 74: 179. 

 Cratospila ferrugineus Ashmead, 1905. In Nason, Ent. News 16: 293. 

 Mesocrina flaviventris Ashmead, 1897. hi Slosson, Ent. News 8: 237. 

 Phaenocarpa slossonae Ashmead, 1902. In Slosson, Ent. News 13: 5. 

 Panerema thoracica Ashmead, 1899. In Smith, Ins. of N. J., p. 585. 



Subfamily SIGALPHINAE 



This is a small group of genera that have been previously included in the subfamily 

 Cheloninae because of the first three abdominal terga which form a solid carapace. However, the 

 articulation between the first two abdominal terga is movable in the Sigalphinae. The biology is 

 not known in detail but hosts are apparently lepidopterous larvae. 



Taxonomy: De Saeger, 1948. Explor. Pare Natl. Albert, Mission G. F. de Witte, fasc. 53, p. 

 63-64 (key to genera). —Tobias, 1967. Ent. Obozr. 46: 659. — Shenefelt, 1973. Hym. Cat., 

 part 10, p. 931-935 (cat. World spp.). 



Genus SIGALPHUS Latreille 



Sigalphus Latreille, 1802. Hist. Nat. Crust. Ins., v. 3, p. 327. 



Type-species: Ichneumon irrorator Fabricius. Desig. by Viereck, 1914. 

 Sphaeropyx Illiger, 1807. Mag. Insektenk. 6: 192. 



Type-species: Ichneumon irrorator Fabricius. Monotypic. 

 Rhytigaster{\) Wesmael, 1835. Nouv. Mem. Acad. Sci. Bruxelles 9: 206. 

 Rhitigaster Wesmael, 1835. Nouv. Mem. Acad. Sci. Bruxelles 9: 247. 



Type-species: Ichneumon irrorator Fabricius. Desig. by Westwood, 1839. 

 Rhytidogaster Agassiz, 1846. Nomencl. Zool. Index Univ., p. 327. Emend. 

 bicolor (Cresson). Que. s. to Fla., w. to Man., Okla., and Miss. Host: Acronicta sp., A. 

 clarescens Gn. 

 Rhytigaster bicolor Cresson, 1880. Amer. Ent. Soc, Trans. 8: Proc. p. xvii. 9,6. 



Biology: Cushman, 1913. Ent. Soc. Wash., Proc. 15: 157-160. 



Subfamily CHELONINAE 



This is a distinctive group of braconids characterized by the rigid abdominal carapace formed 

 by the fusion of the first three terga. The Triaspidinae have been associated with the Cheloninae 

 on the basis of their similar abdominal structure, but their biologies, larval morphology and wing 

 venation are all very different. 



Species of the Cheloninae are typical egg-larval parasites of Lepidoptera, the adult ovipositing 

 in the host egg but the parasite larva completing its development in the host larva. 



