ASHMEAD : ('I,ASSI1''ICATI()N OF TIIK ClIAKCll) FMES 251 



7. Metiitliorax without lateral tcetli or projections 8 



Metathorax iiith lateral teeth or projections 10 



8. Abdomen produced, the eighth segment in female greatly lenjitluiud into a long coniinessed stylus; 



antennjB 13-jointed Eustypiura Ashniead, gen. nov. (tyi)e K. bicolor Ashni.). 



Abdomen conic-ovate or fusiform, tlie eighth segment in female normal or nearly, not produced into a 

 stylus ; antenuie 13-jointed. 



Petiole of abdomen very long and slender, as long as the thorax or nearly, or at least twice as 



long as the metathorax ''* 



Petiole of abdomen usually short and stout, never very long or slender ; scape of anteuuic nor- 

 mal, not extending beyond the ocelli Spilochalcis Thomson (type Chains xanthostigma Dalm.). 



9. Scape of antennie abnormal, very long and usually clavate, extending far above the ocelli, its apex 



beneath sometimes excavated and enclosing the base of the flagellum ; abdominal petiole slender 



and of a uniform thickness throughout Ceratosmicra Ashm., gen. nov. (type C. peliolata Ashm.). 



Scape of antennre slender, cylindrical, not or scarcely reaching beyond the ocelli ; abdominal petiole 



thickest at the middle, tapering ofi' towards each end SayieUa Ashmead, gen. nov. 



(tyjie Smicra debilis Say.). 



10. Scutcllum normal, unarmed H 



Scutellum at apex bidentnte or with an emarginate plate or ridge. 



Metathorax quadridentate (two teeth on each side of the petiole) ; Imdy of abilouieu short ovate, 

 the petiole shorter than the thorax ; antennae 13-jointed, the lliigelluni liliforni, clothed with 

 a dense, short pul)('sc( nee, the scapi' short, subeompressed.Xanthomelanus Ashmead, gen. nov. 



(type Chalcis dimidkita Fabr.). 



11. Metathorax bidentate (one tooth on each side of the petiole); thorax never wholly black ; antenuiE 



13-jointed 12 



Metathorax quadridentate (two teeth on each side of the petiole) ; thorax somelinics wholly black ; 

 scape of antenufe long, extending beyond the ocelli. 



Thorax wholly black ; body of abdomen ovate, the petiole variable in length, usually long and 



slender, but shorter than the thorax ; antennje 13-jointed, the Hagellum filiform, the scape at 



tip beneath not excavated. .. Melanosmicra Ashmead, gen. nov. (type M. immaculata Ashm ). 



Thorax yellow or yellow marked with black ; body of alulomen usually conical, the petiole 



long ; antenna; 13-jointed, the scape at apex beneath excavated. 



Ceratosmicra Ashmead (jiartim). 

 1 •>. Scape of antenna; normal ; body of abdomen in female fusiformly pointed or conic-ovate, the petiole very 



short, not or rarely longer than thick Spilochalcis Thomson (partim). 



Scape of antenna; usually long and extending much beyond the ocelli ; body i>f abdomen ovate, the 

 petiole very long and slender, as long or nearly as the thorax .... Mischosmicra Ashmead, gen. nov. 



(type M. Kahlii Ashm.). 



13. Metathorax normal or with one small tooth on each side of the petiole ; abdomen variable, subglobose, 



conic-ovate or fusiform, but rarely ending in a stylus ; antennae K! jointed. 



Spilochalcis Tliomson (partim). 



14. Antenme 13- or U-jointed 15 



Antennae 12-jointed. 



Metathorax po.steriorly <iuadridcntate Thaumapus Kirby (type Smicra decora Walk.). 



15. Antennae 13-jointcd ' •' 



Antennae 14-jointed ; hind coxie usually with a leaf-like ex|iansion at apex, their femora armed with 



large or moderate sized teeth Epinaeus Kirl)y (type Smicra dux Walker). 



