OF WASHINGTON. 245 



or oblong oval, the ovipositor very rai'elj^ prominent; 

 radius variable, rarely very short; hind tibiae strongly 

 curved and obliquely truncately produced at apex, so 

 that the tarsi seem to be attached a little before tips. 



Family LXII. Chalcididae, 



5. Pronotum rarely transverse-quadrate, conical or conically produced an 



teriorly, or very short, transverse, and very much narrowed medially, 

 rarely as wide as the mesonotum ............................................... 7 



Pronotum large quadrate or transverse quadrate, never very short, if 

 somewhat shortened always as wide as the mesonotum. 



Pronotum quadrate or subquadrate; abdomen in $ not trian 

 gulated, globose, ovate, conic-ovate or lanceolate and com 

 pressed or subcompressed, the hypopygiurn most frequently 

 prominent plow-share shaped ; second dorsal segment never 

 very large ; mandibles not strong, most frequent 4-dentate. 



Family LXIII. Eurytomidae. 



Pronotum shorter, more transverse and as wide as the meso 

 notum ; abdomen in 9 most frequently triangulated, or glo 

 bose, the second and third segments occupying most of the 

 dorsal surface, the following very short and more or less re 

 tracted within the third; hypopigium not prominent; mandi 

 bles 2- or 3-dentate at apex .......... Family LXIV. Perilampidse. 



6. Second abdominal segment very large and most frequently enclosing 



the following; coxae not large, subglobose, nearly equal ; all legs very 

 slender; radius scarcely developed, its stigma sessile or subsessile. 



Family LXV. Eucharidee. 



7. Mesepisternum not large, triangular; anterior femora never much 



swollen, the posterior femora also normal or only slightly swollen; 

 marginal vein in hind wings usually long, the costal cell not reach 

 ing to the booklets or spinulae and most frequently very narrow; 

 radius well developed .................... Family LXVI. Miscogasteridae. 



Mesepisternum large, triangular; either the anterior or the posterior 

 femora are much swollen and sometimes toothed, or both are swollen 

 with the hind femora toothed; if with slender legs, the hind legs are 

 very long, their coxae long, cylindrical, while the radius (stigmal 

 vein) in front wings is very short, with the postmarginal vein very 

 long extending to the apex of the wing (Pelecinella). 



Family LXVII. Cleonymidae. 



8. Mesonotum either depressed, with more or less distinct parapsidal fur 



rows, the scapulae longitudinally ridged, or convex or subconvex, en 

 tirely without furrows, rarely convex with distinct furrows; axillae 

 most frequently meeting at inner basal angles, rarely very widely 

 separated ............................................ Family LXVIII. Encyrtidae. 



9. Mesonotum subconvex with incomplete or complete pai-apsidal fur 



rows; hind coxae rarely much larger than the front coxae; axillae 



