66 GENERA OF HYMENorTEKA. 



}>. — AnteniifG b-joiiit«'<l ; panipsidiil sutures plain ; middle tibial spur iinxlfniteiy 



long Apbelinlnee. 



AntenuK' ](>-i:i-jointed. 



Antonnw 10-jointt<l. insirttd Just iilmve the mouth, rounded and i)r<)du(ud 



ut apex ; abdomen almost sessile Pireninee. 



AntenntE 1"2-1.'{ -Jointed. 



Antenna' TJ-Joini^-d, funiele ."i-Jointed ; prothorax very short, scarcely 

 visible in the middle; siibmarginal vein siibaiiKulate. stiginal club 

 often large; abdoinen almost sessile ; panipsides of mesothorax dis- 

 tinct TridymineB. 



Auteunee 12-jointed ; abdomen distinctly petiolate; occijiital line coni- 



plete SpalansrinsB. 



Antenna' i:}-jointed. club .'J-jointed, ring joints 2; occipital line not 

 complete Pteromalinee. 



Section MK"H<)("P:N'TRI. 



Antenna- at most !»-jointed ; tarsi 4- or 3-jointed "2. 



Antenna; many jointed, funiele (i-jointed : tarsi J .5-joiuted....Tetracampin8e. 



•2. — Tarsi 4-Jointed 15. 



Tarsi .'{-jointed ; pubescence of wings arranged in lik.cs..Trichogrrainmin8e. 

 :5.— Submarginal vein not broken, postmarginal di.stinct, submarginal furnished 

 with many bristles; posterior tibiie sometimes with two spurs; pro- 

 thorax large 4. 



Submarginal vein broken, costal cellule narrow, postmarginal and stigmal 

 short, the po.stmarginal sometimes wanting ; ^tosterior tibia; with a 



single spur; antennie % simple 5. 



4.— Abdomen u.sually with a distinct i>etiole ; mesothonicic parapsides very dis- 

 tinct ; antennse inserted below the middle of the face, simple in % . 



ElachistinsB. 

 Abdomen with a transverse, smooth and i mspicuous petiole ; mesothoracic 

 parapsides not defined, or indicated only by very slight grooves. 

 Pcsterior coxse very large and strongly compres.sed ; head semiglobose. 

 front deeply, si)arsely punctate ; antennse % flabellatcBlasminse. 

 Posterior coxa- normal; postmarginal and stigmal veins rather long; an- 

 tenna; % often flabellate Eulophinee. 



.*). — Submarginal vein with two bristles or it is ornate ; mctapletira very small : 



scutellum with two bristles near the middle Entedoninse. 



Submarginal vein with from 1 to ."> bristles ; metapleura triangular, not small ; 

 postmarginal vein usually absent ; scutellum with four bristles, all 

 behind the middle, often with two longitudinal impressed lines; ab- 

 domen sessile Tetrastichinse. 



Table of Genera. 

 Section MACKOCENTRl. 



Subfamily Leucospidinj^. 



Ovipositor curved over the dorsum of the abdomen ; anterior wings folded ; tarsi 

 5-jointed ; po.sterior femora much swollen ; anterior tibite armed with 

 a large curved spur LeucoMpis Fabr. 



