ASHMEAD : CLASSIFICATION Ol' TIIR CHALCII) I'LIKS 315 



15. Hind coxiB not small, the hind margin towards base hairy 1<> 



Hind coxaj small, the hind margin not hairy Dirhicnus Tlionison. 



16. Antenna; with two ring-joints 17 



Anteunie with three ring-joints l"^ 



17. Seutellum i)osteriorly highly elevated and produced into a spine Acanthometapon .\sliuieud 



Scutellum normal, not spined. 



Collar not distinctly separated Stinoplus Thomson. 



Collar narrowed medially Spinthenis 'rimnison. 



IS. Pronotum not broad, narrower than the niesonotiun 1'-' 



Pronotum broad, as wide as the mesonotum Bruchobius Aslimead. 



19. Flagellum filiform, the joints cylindrical, those of the I'uniele very biielly pedicellate, liairy but not 



verticillate -'0 



Flagellum filiform, the joints of the funicle uodose-verticillatc. 



Metanotum without a median carina; marginal vein mure than twice the length of the stignial 



vein. Lophocomodia Ashmead. 



Metanotum with a median caiina ; marginal vein not or only a little longer than the stigmal 

 vein Psilocera Walker. 



20. Metathorax with the median and transverse cariu;e usually present, the spiracles oval. 



Metapon Walker. 



Tkii!E II. Rhaphitclini. 

 In this tribe the left mandil)le is ;3-dentate, the riglit 4-tlentate, as in the triljc 

 Eiifelhd, from which it is, however, easily distinguished by the insertion of the an- 

 tenna} ; these are inserted on or near the middle of the face, and not low down, near 

 the mouth border, as in the Eutelini. 



TABLE OF GENERA. 



1. Females 2 



Males 14 



2. Front femora considerably swollen -5 



Front femora normal. 



3. Metathorax with a median carina and witli the lateral folds complete, rarely abbreviated, the spiracles 



small, rounded or broadly o\al, and lying close to tlie postscutellar fold. 



Marginal vein in front wings thickened •! 



Marginal vein in front wings normal, slender 7 



4. Anlcnme with ring-joints small, transvert^e or annulai- 5 



Antenna' with the ring-joints lart/e, not tian^vdse. 



Front eox:e cylindrical ; knob of stigmal cluli ob.solcte Pandelus Forster 



(type Cteoni/mus Jim ij)e>< F«irst.). 



5. Slelanotum with folds and a median carina 



Metanotum smooth, without folds. 



Stigmal and postmarginal veins short ; abdomen conic-ovate, keeled beneath ; last joint of an- 



tenn;e normal JVIetacolus F.lrster (type M. tinifasciatus Foi-st.). 



0. Stigmal vein longer than the marginal ; la.st joint of tlie antenna- stylale ; abdomen ovate, depressed, 

 not keeled beneath Rhaphiteles Walker (type A'. macuUitus Walk.). 



