804 Hymenoptera in America North of Mexico 



albomaculata (Ashm.), H. elyrnicola P. and E., H. grandis (Riley), H. hordei (Harr.), H. 



linearis (Walk.), H. secale (Fitch), H. tritici (Fitch), H. vaginicola (Doane). 

 Pteromalus Nypsius Walker, 1839. Ann. and Mag. Nat. Hist. (1) 4: 274. 9. 

 Semiotellus chalcidiphagus Walsh and Riley, 1869. Amer. Ent. 1: 152. 9,6. 

 Homoporus crassinervis Thomson, 1878. Hym. Scand., v. 5, p. 68. 9. 



Taxonomy: Erdos, 1953. Acad. Sci. Hung., Acta Biol. 4: 239 (placed in Phaenacra). 

 — Delucchi, 1957. Ztschr. f. Angew. Ent. 40: 417-418 (placed in Hovioporus). —Graham, 

 1969. Brit. Mus. (Nat. Hist.) Ent., Bui. Sup. 16: 449 (types; nypsius Walker, 1839, has 

 priority over chalcidiphagus Walsh and Riley, 1869, but the latter is well known and 

 generally accepted). 



Biology: Riley, 1887. U. S. Dept. Agr., Ann. Rpt. for 1886, pp. 540-542. -Webster, 1893. U. S. 



Dept. Agr., Insect Life 6: 151. —Webster, 1909. U. S. Dept. Agr., Bur. Ent. Cir. 106: 8-9. 



-Phillips, 1918. U. S. Dept. Agr., Farmers' Bui. 1006: 11, 13. -Phillips and Poos, 1921. 



Jour. Agr. Res. 21: 405-406. —Phillips and Poos, 1923. U. S. Dept. Agr., Farmers' Bui. 



1323: 8. -Gahan, 1934 (1933). U. S. Dept. Agr., Misc. Pub. 174: 104-109. —Cannon, 1963. 



Canad. Ent. 95: 34. 

 cognatus (Gahan), n. comb. Calif. Host: Mayetiola destructor (Say). 



Merisus cognatus Gahan, 1934 (1933). U. S. Dept. Agr., Misc. Pub. 174: 102. 9. 

 destructor (Say). P. E. I., Que., Ont., Vt., N. Y., s. to S. C, w. to Wash., Oreg., Calif.; Europe. 

 Host: Mayetiola destructor (Say); Platygaster zosine Walk. 



Ceraphron destructor Say, 1817. Acad. Nat. Sci. Phila., Jour. (1) 1: 47-48, 63. 



Merisus interyyiedius Lindeman, 1887. Soc. Imp. Nat. Moscou, Bui. (2) 1: 179-183, 192. 9, S. 



Taxonomy: Gahan, 1934 (1933). U. S. Dept. Agr., Misc. Pub. 174: 89-95 (syn.). — Szelenyi, 1956. 

 Mus. Nat. Hung., Ann. Hist. Nat. (n. s.) 7: 171-172. {Homoporus). —Delucchi, 1957. Ztschr. 

 f. Angew Ent. 40: 418-419 {Homoporus subg. Phaenacra). 



Biology: Fitch, 1862 (1861). N. Y. State Agr. Soc, Trans. 21: 827-829, 843. —Howard, 1884. 

 Psyche 4: 206. —Forbes, 1885. 111. State Ent., Rpt. 14: 44-49. —Riley, 1885. U. S. Natl. 

 Mus., Proc. 8: 413-416. — Osborn, 1898. U. S. Dept. Agr., Div. Ent., Bui. (n. s.) 16: 28-31. 

 —Washburn, 1902. Minn. Agr. Expt. Sta., Bui. 77: 6-7. —Packard, 1916. Jour. Agr. Res. 6: 

 373-377. -McCulloch, 1923. Kans. Agr. Expt. Sta., Tech. Bui. 11: 64. -Hill and Smith, 

 1928. Jour. Agr. Res. 36: 153-155. —Hill et ai, 1939. U. S. Dept. Agr., Tech. Bui. 689: 4-15. 

 -Lapina, 1948. Zool. Zhur. 27: 331. —Hill, 1953. U. S. Dept. Agr., Cir. 923: 2-15. 



Morphology: Hill and Pinckney, 1940. U. S. Dept. Agr., Tech. Bui. 715: 8, 13 (immature 

 stages). 

 febriculosus (Girault). P. E. I., Que., Vt., s. to S. C, w. to Sask., N. Dak., Nebr., Kans., Okla.; 

 Europe. Host: Mayetiola destructor (Say); Bracon cephi (Gah.), Eupehnus allynii 

 (French), Harmolita sp., H. albomaculata (Ashm.), H. grandis (Riley), H. hordei (Harr.), 

 H. tritici (Fitch), H. vaginicola (Doane), Platygaster zosine Walk. 

 Merisus febriculosus Girault, 1917. Descr. Stellarum Nov., p. 17. 9. 

 Homoporus filicomis Erdos, 1953. Mus. Nat. Hung., Ann. Hist. Nat., (n. s.) 6: 241. 9. 



Taxonomy: Gahan, 1921 (1920). Ent. Soc. Wash., Proc. 22: 238-239. {febriculosus misdet. as 

 isosomatis Ashm.). —Gahan, 1934 (1933). U. S. Dept. Agr., Misc. Pub. 174: 95-99 (descr., 

 bibliog.; occurs in Europe). —Szelenyi, 1956. Mus. Nat. Hung., Ann. Hist. Nat. (n. s.) 7: 168 

 {Homoporus). —Graham, 1969. Brit. Mus. (Nat. Hist.) Ent., Bui. Sup. 16: 453 (some doubts 

 of syn. of febriculosus and filicomis). 



Biology: Phillips and Poos, 1923. U. S. Dept. Agr., Farmers' Bui. 1323: 8. —Hill and Smith, 

 1928. Jour. Agr. Res. 36: 153-154. -Hill et al., 1939. U. S. Dept. Agr., Tech. Bui. 689: 4-7, 

 11-15. —Cannon, 1963. Canad. Ent. 95: 34. 



Morphology: Hill and Pinckney, 1940. U. S. Dept. Agr., Tech. Bui. 715: 8-13 (larvae). 

 flaviventris (Girault), n. comb. Md. 



Merisus flaviventris Girault, 1915. Ent. Soc. Amer., Ann. 8: 282. 9. 

 harmolitae (Gahan), n. comb. Calif. 



Merisus harmolitae Gahan, 1928. U. S. Natl. Mus., Proc. 71 (4): 2. 9, 6. 



