NORTH AMERICAN HYMENOPTERA. 129 



21. Eupelmas clryorhizoxeni n. sp. 



% 9. — Length .10-. 14 iuch ; ovip. .02 inch. Apterous; head large, much 

 broader than thorax, nearly smooth, greenish metallic on face, bluish on vertex, 

 mentum black ; eyes brown ; antennae subclavate, 11-jointed, scape dull yellow, 

 flagellum blackish, hairy, thorax at sides and beneath reddish brown, above gol- 

 den green with violaceous reflections ; collar narrow, quadrate ; parapsidal eleva- 

 tions very high, curved and yellowish brown ; legs brownish yellow with the 

 upper surface of femora and a blotch on the upper surface of tibise, in the middle, 

 dark brown, ungues black ; abdomen ovate, brown black, with a submetallic 

 lustre ; ovipositor pale. 



Described from three specimens, one Z two 9 , bred May, 1885, 

 from Cynipidous oak gall Dryorhizoxenns ftoridanus % Aslim. 



In one 9 the brown markings on upper surface of femora and 

 tibiae are almost entirely obsolete. 



The only other apterous Eupelmid in our feuna known to me is 

 Eupebnus epicmte Walk., described in " Annals and Magazine of 

 Natural History," vol. xx, p. 20, but it differs so widely in size and 

 color that it cannot be confounded with this species. 



22. Eupelmus sphsericephalus n. sp. 



9 • — Length .14 inch. Blue-black, long and slender, finely punctate ; head 

 nearly spherical when viewed from above ; face rather thickly covered with 

 short, white pubescence ; eyes dark ; antennse subclavate, including scape, black 

 with a slight lustre ; parapsides well defined, scutellum purplish ; abdomen very 

 long and narrow, beneath purplish ; legs yellowish, middle tibial spur long, 

 whitish, tibise with black teeth at tip, first tarsal joint large and widely dilatod, 

 beneath with double rows of black teeth ; wings pale fusco-hyaline. 



Described from specimen taken at large in August, 1885. 



23. Eupelmus cyaniceps n. sp. 



9. — Length .14 inch; ovip. .03 inch. Head blue, brassy abr.iit moutb 

 red; antennae subclavate, including scape, black; thorax with the la^'iiipidous 

 brassy green, sternum and abdomen blue ; ovipositor blue with a yr " 

 in the middle ; legs yellow, coxae and femora dark brown with 

 upper surface of tibiae at base and the last two api<al tarsal 

 brown, spur yellowish, teeth of dilated tarsal joim black 

 vellow. 



Described from one 9 specimen captured '^"" "^'^^^"'^ ^'T'' '^'t 



. ^ ±, ite, the scape verv long and 



This species approaches nearest to i^ajR; ^ellow, flagcilumdiirk brown; 



24. Eupelmus gemmarii n. <p. • '* ''^'*^- ^"'1 metallic grc.n toward.s 

 9.— Length .11 inch; ovip. .0" inch. -' '' • ^tei-num piceous, the larg( meso- 



face gold green ; autenuai black ; scape ' -" '"^* '""^ ani-rior legs tawny, mid- 

 coxie, trochanters, tibia; at ;>ase, lai- ' '• '"^^n""'^' ^""^ "'^'* •^"'"^^ ^''■o«" ! alwiomen 



half of tibia?, ungues and lastab" ' ^ ^'■''"' "'"'-'* ^-av., ,— ■,,.,! .-m,, „..■ 



broad brown band acTLrss tlie m 



Described from one ■ "' i ''■ '''' 'mM'-rmg 



Andricus gn, iiiarius ^-"■"■' ''■" ■"•''•'••- ' '' '■'■■• ■■r ol 1>(85. 



TEANP. MEK. ENT 



