252 MEMOIRS OF TIIK CAKNECilE Ml'SlCUM 



10. Hind femora aimed with 8 large teeth or less 17 



Hind i'emora armed with moderately large teetli. 



Scutellum sometimes uuarmed but usually ending in a bidentate plate. 



Enneasmicra A.shmead, gen. nov. (type Smicra exinamiiis Walk.). 



17. Hind femora armed with 7 large teeth or less 19 



Hind femora armed with 8 large or moderate sized teeth (the Sth tooth sometimes reduced in size or 



followed by one or two minute teeth, or the 6th tooth is tridentate at apex). 



Mesonotum wilh distinct parapsidal furrows, or at least distinct anteriorly 18 



Mesonotum without distinct parapsidal furrows. 



Abdomen fusiformly pointed, the petiole very short ; liiiid femora about 2A times asking 

 as wide Protoceras Kirl>y (type Smicra Iriicotelus Walk.). 



18. Scutellum at apex usually ending in an emarginate or bidentate plate ; abdomen in female lanceolate 

 or conically produced ; the Sth segment often long, styliform. 



Octosmicra Ashmead, gen. nov. (type O. lalicepf) A.shm.). 



19. Hind femora armed with 6 large teeth or less 20 



Hind femora armed with 7 large teeth, the seventh usually much reduced in size. 



Abdomen in female conically produced or fusiform, the 8th segment sometimes stj lifonn or pro- 

 duced into a stylus, the petiole not short ; mandibles in 9 hi- in r^ tri-dentate. 



Heptasmicra Ashmead, gen. nov. (type Smicra oblitcrata Walk.). 



20. Hind femora armed with 5 large teeth or less 21 



Hind femora armed with 6 large teeth (the 6th tootli sometimes broad and at apex 3-deutate). 



Metathorax armed with two triangular teeth and a lamina or plate just behind ihe insertion of 

 the hind wings, the latter extending slightly over the metapleura, the sculpture coarse ; teeth 



of hind femora short and stout Diplodontia Ashmead (type Smiera Carolina Ashm.). 



Metathorax usually, but not always, armed with two, not very prominent, teeth, but wiihoutthe 

 lamina or plate behind the insertion of the hind wings, the seulpture alveolate ; teeth of hind 

 femora large, long. 



Abdomen in female .subglobose or short ovate, the petiole always more than twice longer 



than thick Metadontia Ashmead (iype'<S>»icm montana Ashm.). 



Abdomen in female lanceolate or fusiformly produced, longer than the head and thorax 

 united, the petiole very short, net longer than thick. 



Hexasmicra Ashmead, gen. nov. (type Smic7-a transrersa Walk.). 



21. Hind femora armed with 4 large teeth or less 22 



Hind femora armed with 5 large teeth. 



Eyes very large, occupying nearly the whole sides of the head ; mandil)Ies broad, 3-denlate ; 

 scutellum usually ending in an emarginate or bidentate plate ; metathorax alveolate. 



Pentasmicra Ashmead, gen. nov. (type P. brasUiensis Ashm.). 



22. Hind femora with 4 large teeth ; metathorax usually with teeth or projections, rarely unarmed ; plate 



at apex of scutellum bidentate or broadly emarginate ; abdomen ovate or conic-ovate, rarely 



-ftisiform, the eighth segment in female never very long Tetrasmicra Ashmead, gen. nov 



(type Smicra concUata Walk.). 

 Hind femoia with 3 large teeth Trismicra Ashmead, g. nov. (type S. contractu Walk.). 



23. Middle tibiie without an apical sjiur 24 



Middle tibise with an apical spur 25 



