PARASITICA — CIIALCIDIDiE. 75 



2. — Petiole lon.sicr tliiin iiosterior coxtv ; % paljii norinul 3. 



Petiole not longer than posti'rior coxa^ : second segment of abdomen deeply 



eniarginate and tlie third very large ; % i)ali>i ahnormal 4. 



3. —Head witli com])ressed eheeks, vertex not very narrow. 



Parapsides discernible *JfIerisniUS Walk. 



Parapsides not i)lainl.v disicrnible. 



Abdominal st'gments 2 and 3 very large *Sl>liO}jig{istor Spin. 



Abdominal segment 2 very large, the others short, ofUn retracted. 



*€ryptoi»ryiiinus Forst. 

 Head with rounded cheeks, sublc^nticnlar, vertex narrow; postpetiole very 



large; collar broad '^^t.yiiloiiiopus Walk. 



4.— Vertex acute in the middle; parapsides lndi.stinct....*Cyrlogast«'r W'alk. 

 Vertex not acute medially ; parapsides plainly discernible. 



*l»oIycystus We.stw. 



.^. —Parapsides plainly separated ; stigmal club large.. .*l*acli.ycrei>is For.st. 



Pai-apsides not plainly distinguished Paeliyiieuron Walk. 



Tribe Diparides. 



Petiole shorter than posterior coxse ; % antennae not verticillate-pilose. 



*Paiisteiioii Walk. 



Petiole linear, longer than coxfe ; postpetiole very large ; % anteniue with well 



separated joints, sparsely verticillate '^'I>i|>ara W^alk. 



Tribe Pteromalides. 



Posterior tibia» 2-spurred *Diinaoliii»$ Thorn. 



t'ollar not .separated ; funicle filiform, joint 1 large. 



Marginal vein thickened, stigmal nearly same length or a little longer; 



body short Subgen. *Caenocrepis Thoni. 



Marginal vein delicate, longer than stignuil. 



Abdomen with u basal yellow band Subgen. *Dimachus Thom. 



Abdomen without band Subgen. *Hemitrichus Thorn. 



(_'oilar .separated. 



First funicle joint short. 



Antennse short, clavate Subgen. *Habritus Thom. 



Anteunse filiform Subgen. *Dinarnius Thom. 



First funicle joint cylindrical; antennse filiform. ..Subgen. *PicroscytU8 Th. 



Posterior tibia} 1 -spurred 2. 



2.— Antennal club subulate 9> or conico-acuminate % ; nu'tathorax punctate, no 



fold and no spiracular sulcus iflorisus Walk. 



Fii'st funicle joint short; rim ol' the nictat iiorax with large punctures; 



coxa' all rufous Suligen. Bceotomus For.st. 



First funicle joint as long as the following. 



Abdomen .subcylindrical. joint 3 short Subgen. Merisus Walk. 



.\bdoinen subovate. dorsum often tiattened.. Subgen. *Homoporus Thom. 



.Vntennal club not subulate 3. 



3.— Antenna' inserted below tlu' middle of the face; stigmal club scarcely dis- 

 cernible ; vertex not medially acute ; cheeks round; abdomen Tiot 

 rotund; left nuindible 3-, right 4-dentate; joint 1 of funicle eiiual 

 to the others in size, rarely abruptly smaller EiiteliiN Walk. 



