470 Hymenoptera in America North of Mexico 



septentrionalis Cushman. Southern N. Y. s. to S. C, w. to Mo. and La. 



Cryptanura septentrlonalis Cushman, 1945. U. S. Natl. Mus., Proc. 96: 156. 9. 



Genus MESOSTENUS Gravenhorst 



Mesostenus Gravenhorst, 1829. Ichn. Europaea, v. 2, p. 750. 



Type-species: Mesosfehua tranafuga Gravenhorst. Desig. by Westwood, 1840. 

 Stenameitx Thomson, 1896. Opusc. Ent. 21: 2380. 



Type-species: Mesosfe)ii(s tm)isfiiga Gravenhorst, Desig. by Viereck, 1914. 

 Unlinia Cameron, 1902. Ann. and Mag. Nat. Hist. (7) 9: 208. 



Type-species: Unlijiia penelmlis Cameron. Monotypic. 

 Derocentnin Cushman, 1919. Ent. Soc. Wash., Proc. 21: 113. 



Type-species: Coleocentrus texanits Ashmead. Orig. desig. 



This genus is of moderate size and nearly worldwide distribution. 



Revision: Cushman, 1929. U. S. Natl. Mus., Proc. 74 (16): 40-50. -Porter, 1973. Acta Zool. 

 Lilloana [Tucuman] 30: 227-267 (South American spp.). 



Taxonomy: Porter, 1974. Acta. Zool. Lilloana [Tucuman] 31: 27-46 (additions to 1973 

 revision). 

 albinotatus promptus Cresson. N. B. w. to B. C, s. to w. N. C, S. Dak., Colo., and n. Calif. M. 



albinotatiis albi}iotatiis Gravenhorst is European. 

 Mesostenus prompt ns Cresson, 1878. Canad. Ent. 10: 209. 6. 

 americanus Cresson. Que. s. to Va., w. to S. Dak. Barron (1975) resurrected the name 



brevipennis from synonymy with albinotatus promptus and placed temporalis as a 



synonym of brevipennis; he failed to note that Townes (1970) had placed temporalis as a 



synonym of aniericanus. 

 Mesostenus tarsatus Provancher, 1875. Nat. Canad. 7: 265. 6. Preocc. by Cresson, 1865. 



The syntypes were not found by Barron (1975). 

 Mesostenus a)nericanus Cresson, 1878. Canad. Ent. 10: 209. 9. 

 Exetastes brevipennis Provancher, 1882. Nat. Canad. 13: 363. Nomen nudum. 

 Exetastes brevipennis Provancher, 1883. Petite Faune Ent. Canada Hym., p. 386. S, 9. N. 



syn. 

 Mesostenus temporalis Townes, 1962. In Townes and Townes, U. S. Natl. Mus., Bui. 216 



(pt. 3):441. 6,9. 



Taxonomy: Townes, 1970 (1969). Amer. Ent. Inst, Mem. 12: 224 (syn.). —Barron, 1975. Nat. 

 Canad. 102: 436-437, 572-573. 



angustus Townes. R. L s. to N. C, w. to e. Kans. 



Mesostenus leucopus Ashmead, 1890 (1889). U. S. Natl. Mus., Proc. 12: 406. 6. Preocc. by 



Brulle, 1846. 

 Mesostenus angustus Townes, 1944. Amer. Ent. See, Mem. 11: 284. N. name for leucopus 



Ashmead. 

 clitellatus Townes. N. S., w. to s. B. C, s. to Va. and n.e. Tex. Host: Saucrobotys fiitilalis 



(Led.). 

 Mesostenus clitellatus Townes, 1962. In Townes and Townes, U. S. Natl. Mus. Bui. 216 (pt. 



3): 447. 6,9. 



Morphology: Short, 1959. U. S. Natl. Mus., Proc. 110: 440, fig. 22B (final-instar larva). 

 eisenii Ashmead. Md. s. to Ga., w. to Ohio and Tex.; Mexico. 



Mesostenus eisenii Ashmead, 1894. Calif. Acad. Sci., Proc. (2) 4: 129. 9. 

 gracilis Cresson. N. S. s. to Ga., w. to s. B. C. and Calif.; Bermuda, Mexico. Host: Anagasta 

 kuehniella (Zell.), Cadra figulilella (Greg.), Ephestia elutella (Hbn.), Euzophera 

 semifu)ieralis (Wlk.), Homoeosoma electelluni (Hulst), Laetilia coccidivora (Comst.), 

 Oza)nia fuscomaculella clarefocta Dynr, Laspetjresia caryana (Fitch). 

 Mesostenus gracilis Cresson, 1864. Ent. Soc. Phila., Proc. 3: 315. 6 . 

 Neviatopodius orbifalis Ashmead, 1890. Colo. Biol. Assoc, Bui. 1: 21. 9. 



Biology: Bare, 1942. Jour. Econ. Ent. 35: 186-187. 



