NO. 2281. A REVISION OF CHALCID-FLIES— PHILLIPS AND EMERY. 439 



10. Petiole three-fourths to ahout equal the length of hind coxae 11. 



Petiole one-half the length of hind coxae 12. 



11. Propodeum rugose; pronotal spots not visihle from above tritici Fitch. 



Propodeuin granulose ; pronotal spots visible from above. 



atlantica, new species. 



12. I'ronotal spots not visible from above ; all tibiae reddi-sh-brown. 



Jionlei Harris. 

 Pronotal spots visible from above ; tibiae dusky sccalis Fitch. 



13. Tibiae reddish-brown 14. 



Middle and hind til)iae brownish to black 15. 



14. All femora reddish-brown 7-ufipes, new species 



Basal one-half to tv/o-thirds of hind and basal one-third of middle femora 



blackish hcspcrus, new .species. 



15. Pronotal spots minute, scarcely visible from above 16. 



Pronotal spots occupying less than one-half anterior dorsal margin of 



prothorax 17. 



Pronotal spots occupying two-thirds anterior dorsal margin of prothorax_21. 



16. Scape, as seen laterally in profile, approximately same width throughout 



and about 8 times as long as broad, no shoulder distally. 



festucae, nev/ species. 

 Scape, as seen laterally in profile, approximately same width throughout, 

 and about 4 times as long as broad and with a slight shoulder dis- 

 tally tritici Fitch. 



17. Scape, as seen interally in profile, ajiproximately same width throughout; 



shoulder low IS. 



Scape, as seen laterally in profile, much broader near distal extremity; 

 shoulder high and very prominent 19. 



18. Flagellum longer than head and thorax combined ovata. now species. 



Flagellum equal to or shorter than head and thorax combined. 



poophila, new species. 



19. Pronotal spots usually bright ; flagellum equal to or longer than head and 



thorax combined 20. 



Pronotal spots dull and obscure; flagellum shorter than head and thorax 

 combined elymoxena, new species. 



20. Groove deep ; propodeum rugose ; pronotal spots usually occupying one-half 



anterior dorsal margin of prothorax ; bristles on first flagellar joint 

 only slightly longer than its diameter ; bristles very numei'ous. 



eliimivora, new s])ecies. 



Groove shallow; propodeum granulose; pronodal spots usually occupying 



one-third anterior dorsal margin of prothorax ; bristles ou first flagellar 



joint about twice the length of its diameter ; bristles somewhat sparse. 



occidentaUs, new species. 



21. Pronotal spots bright elymicola, new species. 



Pronotal spots usually dull clymophtJiora, new species. 



Pronotal spots dull, often giving anterior margin of protliorax a brownish 



tint elymophila, new species. 



ILLUSTRATIONS. 



It seemed unnecessary to the writers to have drawings made of 

 the entire insect as in the majority of cases no specific difference can 

 be illustrated in this manner. Drawings were made of the propodea, 

 ovipositors or saws, and the antennae. In other words (m\y those 

 parts were drawn which most clearl}^ showed specific characters. 

 While the shape of the abdomen is specific in many instances it 



