230 PROCEEDINGS OF THE NATIONAL MUSEUM vol.99 



M. M. Carpenter for arranging interlibrary borrowings. In addition, 

 thanks are due E. T. Cresson, Jr., of the Academy of Natural Sciences 

 of Philadelphia, for the loan of the Cardiochlhs collection of that 

 institution for study and to Prof. H. B. Hungerford, of the University 

 of Kansas, for the loan of the type of Cardiochiles nigroclypeus 

 Viereck. 



Subfamily Cardiochilinae Ashmead 



Cardiochilinae Ashmead, in Smitb, Insects of New Jersey, p. 592, 1900 ; Proc. 

 U. S. Nat. Mus., vol. 23, p. 129, 1901.— Sz^pugeti, in Wytsman, Genera 

 insectorum, fasc. 22, p. 142, 1904. 



Frons impressed and with a more or less distinct median longitudi- 

 nal carina; scape and pedicel polished, flagellum dull; cheek, temple, 

 and occiput not margined ; clypeus not impressed to form a rounded 

 depression with the mandibles ; mandibles crossing at tips. Mesono- 

 tum with notaulices meeting, usually in an acute angle ; mesopleuron 

 with a f oveolate groove at its posterior margin ; prepectus margined 

 or not; forewing with three cubital cells, the second cell longer than 

 wide; radial cell elongate, extending to near the apex of wing; third 

 abscissa of radius curved or subangulate basally; subdiscoidal vein 

 originating below middle of discoidal vein; nervulus postf ureal; 

 stigma broad or lanceolate; hind wing with radiellan cell divided. 

 Abdomen subsessile, with the usual sutures; articulation between 

 second and third tergites rigid. 



Genus CARDIOCHILES Nees 



Cardiochiles Nees, Nov. Acta Acad. Nat. Caes. L<eop. Carol., vol. 9, p. 307, 1818, 

 no species ; Hymenopterorum icbneumonibus affinium monographiae . . ., 

 vol. 1, p. 224, 1834, one species. (Type, Ichneumon saUator Fabricius, first 

 included species.) 



Toxo7ieuron Say, Journ. Boston Soc. Nat. Hist., vol. 1, p. 258, 1936. (Type, 

 Toxoneuron viator Say, by designation of Viereck, 1914.) 



Tenthredoides Cresson, Proc. Ent. Soc. Philadelphia, vol. 4, p. 290, 1865. (Type, 

 jf'. seminiger Cresson.) (Monobasic.) 



Ditherus Camerox, Jouru. Bombay Nat. Hist. Soc, vol. 14, p. 434, 1902. (Type, 

 D. ruficollis Cameron.) (Monobasic.) 



Schonlnndella Cameron, Rec. Albany Mus., vol. 1, p. 169, 1904. (Type, S. 

 nigromaculata Cameron, by designation of Viereck, 1914.) 



Ernestiella Cameron, Spolia Zeylauica, vol. 3, p. 81, 1905. (Type, E. nigromacu- 

 lata Cameron.) (Monobasic.) 



^Sartemita Cameron, Wien. Ent. Zeit., vol. 29, p. 99, 1910. (Type, H. latipcs 

 Cameron.) (Monobasic.) (New synonymy.) 



^ Psil07nmiscus Enderlein, Arch. Naturg., vol. 78, p. 98, 1912. (Type, P. suma- 

 fronMs Enderlein.) (Monobasic.) (New synonymy.) 



1 This new generic synonymy is on the authority of C. F. W. Muescbeck who has seen 

 the genotypes. 



