196 Hymenoptera in America North of Mexico 



unicolor (Schrottky). Calif.; Argentina. Liberated in Calif, but not known to be established. 

 Introduced from Argentina. Host: Phthorimaea opercnlella (Zell.). 

 Orgilus unicolor (Schrottky), 1902. Mus. Nac. Hist. Nat. B. Aires, An. 8: 102. 9. 

 Agathis linicolorata Shenefelt, 1970. Hym. Cat., part 6, p. 364. Unnecessary n. name for 

 unicolor Schrottky. 

 usitata (Gahan). Mass. Host: Acrobasis vaccinii Riley. 



Bassus usitafus Gahan, 1919. U. S. Natl. Mus., Proc. 55: 119. 9, 6. 

 verticalis (Cresson). Tex. 



Microdus verticalis Cresson, 1872. Amer. Ent. Soc, Trans. 4: 182. 9. 



Nomina Nuda in Agathis Latreille 



Microdus johnsoni Ashmead, 1900 (1899). In Smith, Ins. of N. J., p. 592. 



Microdus latiannulipes Ashmead, 1902. In Slosson, Ent. News 13: 6. 



Microdus solidaginis Ashmead, 1900 (1899). In Smith, Ins. of N. J., p. 592. 



Microdus tortricus Ashmead, 1890. hi Riley and Howard, U. S. Dept. Agr., Insect Life 3: 17. 



Microdus tricoloripes Ashmead, 1902. In Slosson, Ent. News 13: 6. 



Genus CRASSOMICRODUS Ashmead 



Crassomicrodus Ashmead, 1900. U. S. Natl. Mus., Proc. 23: 128. 



Type-species: Microdus fulvescens Cresson. Orig. desig. 

 Epimicrodus Ashmead, 1900. U. S. Natl. Mus., Proc. 23: 129. 



Type-species: Microdus divisus Cresson. Orig. desig. Cited as diversus by Ashmead. 



Revision: Muesebeck, 1927. U. S. Natl. Mus., Proc. 69 (16): 15-22 (U. S. spp.). 



Taxonomy: Shenefelt, 1970. Hym. Cat., part 6, p. 380-382 (cat. World spp.). 

 apicipennis Muesebeck. Iowa, Mo., Tex., Mont., Wyo., Oreg., Calif. 



Crassomicrodus apicipennis Muesebeck, 1927. U. S. Natl. Mus., Proc. 69 (16): 18. 9, 3. 



divisus (Cresson). Mass. s. to Fla., w. to Ont., Colo., and Ariz. 



Microdus divisus Cresson, 1873. Canad. Ent. 5: 52. 6. 



Orgilus rileyi Ashmead, 1889 (1888). U. S. Natl. Mus., Proc. 11: 640. 9. 



Microdus diversusV.) Cresson: Ashmead, 1900. U. S. Natl. Mus., Proc. 23: 129. 

 fulvescens (Cresson). Kans. and Tex., w. to Wash, and Calif.; Mexico. 



Microdus fulvescens Cresson, 1865. Ent. Soc. Phila., Proc. 4: 297. 9. 

 medius (Cresson). Iowa, Kans., Tex., Colo., N. Mex., Ariz., Idaho, Wash. 



Microdus medius Cresson, 1865. Ent. Soc. Phila., Proc. 4: 298. 6. 



muesebeck! Marsh. Nev., Calif. 



Crassomicrodus muesebecki Marsh, 1960. Pan-Pacific Ent. 36: 153. 9,6. 



nigriceps (Cresson). Tex., Colo., Calif. 



Microdus nigriceps Cresson, 1872. Amer. Ent. Soc, Trans. 4: 182. 9. 

 nigrithorax Muesebeck. Colo., Nev., Calif.; Mexico. 



Crassomicrodus nigrithoradc Muesebeck, 1927. U. S. Natl. Mus., Proc. 69 (16): 17. 9, S. 

 pallens (Cresson). Mass. s. to Fla., w. to 111. and Tex.; Calif. 



Microdus pallens Cresson, 1873. Canad. Ent. 5: 53. 6. 



Genus CREMNOPS Foerster 



Cremnops Foerster, 1862. Naturh. Ver. Rheinlande, Verh. 19: 246. 

 Type-species: Agathis deflagrator Nees. Orig. desig. 



Bracon of authors, not Fabricius refers to Crem nops Foerster. See Opinion 162, International 

 Commission on Zoological Nomenclature, 1945. 



Revision: Morrison, 1917. U. S. Natl. Mus., Proc. 52: 305-343 (No. Amer. spp.). —Marsh, 1961. 

 Ent. Soc. Amer., Ann. 54: 851-861 (No. Amer. spp.). 



Taxonomy: Shenefelt, 1970. Hym. Cat., part 6, p. 382-391 (cat. World spp.). 

 ashmeadi (Morrison). Md., Ky., Ind., 111., Minn., Iowa, S. Dak., Kans., Alta. 

 Bracon ashmeadi Morrison, 1917. U. S. Natl. Mus., Proc. 52: 329. 9,6. 



