836 Hymenoptera in America North of Mexico 



Revision: Gahan, 1918. Ent. Soc. Wash., Proc. 20: 136-150. 

 americana Girault. Mo. Ecology: Reared from midge galls in flower heads of Helenhivi. Host: 

 Asphondylia autumnalis Beut. 

 Rileya a7nericana Girault, 1916. Canad. Ent. 48: 339. 9. 

 cecidomyiae Ashmead. Conn., N. J., Md., N. C, Fla., 111., Kans., Tex., N. Mex., Idaho, Ariz. 



Ecology: Reared from stem galls. Host: Asphondylia sp., A. ilicicola Foote, Dasyneura 

 sp. 

 Rileya cecidomyiae Ashmead, 1888. Kans. Agr. Expt. Sta., Bui. 3: App. p. III. 9, tJ. 

 Rileya tegularis Gahan, 1918. Ent. Soc. Wash., Proc. 20: 147. 9, d. 



Taxonomy: Burks, 1967. U. S. Dept. Agr., Agr. Monog. 2, Sup. 2: 271 (synonymy). 



Biology: Highland, 1964. Jour. Econ. Ent. 57: 83. 

 compressiventris Gahan. Tex. Ecology: Reared from leaf galls on leguminous trees, prob. 

 Mimosa or Leucaena. Host: Asphondylia sp. 

 Rileya compressiventris Gahan, 1918. Ent. Soc. Wash., Proc. 20: 143. 9, <J. 

 hegeli Girault. Fla. 



Rileya hegeli Girault, 1916. Canad. Ent. 48: 340. 9. 

 heterogaster Gahan. Tex. Ecology: Reared from leaf-axil galls on leguminous trees, prob. 

 Mimosa or Leucaena. Host: Asphondylia sp. 

 Rileya heterogaster Gahan, 1918. Ent. Soc. Wash., Proc. 20: 141. 9,6. 



Morphology: Bugbee, 1936. Ent. Amer. (n. s.) 16: 179. 

 mellea Ashmead. Fla. Ecology: Reared from leaf galls on Eugenia. 



Rileya mellea Ashmead, 1894. Amer. Ent. Soc, Trans. 21: 321. 9. 

 opuntiae Gahan. Tex. Ecology: Reared from galls on cactus. Host: Asphondylia opuntiae Felt. 



Rileya opuntiae Gahan, 1936. U. S. Natl. Mus., Proc. 83: 482. 9. 

 piercei Crawford. Fla., Ariz. 



Rileya piercei Crawford, 1914. Ent. Soc. Wash., Proc. 16: 29. S. 

 similaris Gahan. Tex. Ecology: Reared from galls on leguminous trees, prob. Mimosa or 

 Leucaena. Host: Asphondylia sp. 



Rileya similaris Gahan, 1918. Ent. Soc. Wash., Proc. 20: 148. 9,6. 



Subfamily HARMOLITINAE 

 Genus HARMOLITA Motschulsky 



Isosoma Walker, 1832. Ent. Mag. 1: 13-14. Preocc. by Billberg, 1820. 



Type-species: Eurytoma longula Dalman. Desig. by Westwood, 1840. 

 Harmolita Motschulsky, 1863. Soc. Imp. Nat. Moscou, Bui. 36: 58. 



Type-species: Harmolita longicomis Motschulsky. Monotypic. 

 Philachyra Walker, 1871. Notes on Chalcid., p. 7. 



Type-species: Philachyra ips Walker. Monotypic. 

 Xanthosoma Ashmead, 1888. Ent. Amer. 4: 42-43. No species. —Ashmead, 1894. Amer. 

 Ent. Soc, Trans. 21: 320. One species. 



Type-species: Xanthosoma nigricornis Ashmead. Desig. by Ashmead, 1894. 

 Isosomocharis Ashmead, 1888. Ent. Amer. 4: 42-43. No species. —Ashmead, 1894. Amer. 

 Ent. Soc, Trans. 21: 331. One species. 



Type-species: Isosomocharis sulcata Ashmead. Desig. by Ashmead, 1894. 

 Hanuolyta Dalla Torre, 1898. Cat. Hym., v. 5, p. 154. Emend. 

 Urios Girault, 1911. N. Y. Ent. Soc, Jour. 19: 175. 



Type-species: Urios vesta I i Girault. Orig. desig. 

 Exanthosoma Girault, 1915. Queensland Mus., Mem. 4: 265. 



Type-species: Exanthosoma funeralis Girault. Monotypic. 

 Isthmosoma Hedicke, 1921. Arch. f. Naturgesch. 86, A, 11: 165. N. name for Isosoma 



Walker. 

 Ahtola Claridge, 1961. Soc Brit. Ent, Trans. 14: 174. 



Type-species: Isosoma atrum Walker. Orig. desig. 



