202 PROCEEDINGS OF THE NATIONAL MUSEUM. vol. kxiii. 



beneath or finely serrated, rarely without teeth; abdomen of vari- 

 ous shapes, most frequently conical or conic-ovate, more rarely 

 globose, or oblong oval, the ovipositor very rarely prominent; 

 radius variable, rarely very short; hind tibise strongly curved and 

 obliquely truncately produced at apex, so that the tarsi seem to be 

 attached a little l)ef( ire tips Family LXII. Chalcidid.tc. 



5. Prouotum rarely transverse-quadrate, conical or conically produced anteriorly, 



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



as wide as the mesonotum ■. 7 



Pronottnn large quadrate or transverse quadrate, never very short, if somewhat 

 shortened always as wide as the mesonotum. 



Pronotum quadrate or subquadrate; abdomen in female not triangulated, 

 globose, ovate, conic-ovate, or lanceolate and compressed or sub- 

 compressed, the hypopygium most frequently prominent plowshare 

 shaped; second dorsal segment never very large; mandibles not 

 strong, most frequent 4-dentate Family LXIII. Eurytomid^. 



Pronotum shorter, more transverse, and as wide as the mesonotum; abdo- 

 men in female most frequently triangulated, or globose, the second 

 and third segments occupying most of the dorsal surface, the fol- 

 lowing very short and more or less retracted within the third; 

 hypopygium not prominent; mandibles 2 or 3 dentate at apex. 



Family LXIV. Perilampid^. 



6. Second abdominal segment very large and most frequently inclosing the follow- 



ing; coxae not large, subglobose, nearly equal; all legs very slender; 

 radius scarcely developed, its stigma sessile or subsessile. 



Family LXV. Eucharid^e. 



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 reaching to the 

 booklets or spinulaj and most frequently very narrow; radius well 



developed Family LXVI. Miscogasterid^. 



Mesepisternuui 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 coxte 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 {PelecineUa Westwood). 



Family LXVII. CLEONVMiDiE. 

 <S. Mesonotum either depressed, with more or less distinct parapsidal furrows, the 

 scapulse longitudinally ridged, or convex or subconvex, entirely 

 without furrows, rarely convex with distinct furrows; axillge most 

 frequently meeting at inner basal angles, rarely very widely sepa- 

 rated Family LX Vlll. Encvrtid.e. 



9. Mesonotum subconvex with incomplete or complete parapsidal furrows; hind 

 coxa3 rarely much larger than the front coxse; axillfe separated, not 

 meeting at inner basal angles; mesepisternum usually small, wedge- 

 shaped, or triangular; hind wings with a long marginal vein; man- 

 dibles usually stout, 3 or 4 dentate at apex. 



Family LXIX. PTEROMALiDiE. 



10. Hind coxse normal; mesopleura impressed - 11 



Hind coxffi abnormally large and dilated, their femora flat or compressed; tarsi 

 very long; mesopleura entire, not impressed; marginal vein in front 

 wings most frequently extraordinarily lengthened, the radius very 

 short, scarcely dilated; mesonotum without furrows. 



Family LXX. Klasmid^. 



