370 THE CANADIAN ENTOMOLOGIST. 



Oligobiella are not yet sufficiently studied. I have not at the moment any 

 examples of Sulamita before me, and therefore cannot add to Reuter's 

 remarks on the Sulamitini. 



1. Third segment of tarsi linear (very rarely — m Hypseloecini — sh'ghtly 



thickened to'.vards the apex). Apical margin of pronotum neither 



hood-like nor cystiformly elevated < 2. 



I a. Third segment of tarsi thickened towards the apex, or apical margin 

 of pronotum hood-like or cystiformly widened. First segment of 

 tarsi deeply sulcate. Tibiae always unarmed. Wing cell without 

 hook. Prosternal-xyphus margined 14. 



2. Prosternal-xyphus swollen, rarely with two impressions ( Boopi- 



docorini). Wing-cell usually with a hook. Pronotum without 

 apical constriction. Lor?e narrow^, sharply separated above and 



below 3. 



2a. Prosternal-xyphus margined (d) 6. 



3. Arolia fused with the claws, sometimes very small or absent 4. 



3a. Arolia free, inwardly arched. Gense high. Wing-cell 



with hook 4, Hypseloecini. 



3b. Arolia wanting or very delicate. Wing-cell with or without hook. 

 Apical margin of pronotum with an impressed, more or less wide 

 (never swollen and smooth) margin . . 5, Campioiylifii (Exseretaria). 



4. Wing-cell with hook 5. 



* 4a. Wing-cell without hook 3, CremnorrJii7iini. 



5. Pronotum not, or very finely, 



punctured i, CJilamydatini (Plagiognatharia). 



5a. Pronotum coarsely punctured. Tarsi very long. Eyes very large. 

 Vertical margin keeled 2 , Boopidocorini. 



6. Arolia fused with the claws, or at least approximate to these, some- 



times rudimentary. Wing-cell with hook. Lorse narrow, above 

 and below sharply separated. Pronotum without apical 

 constriction 6, Xenocorini (Oncotylaria) and Nasocoi'ini. 



6a. Arolia free, converging towards the apex or parallel, sometimes 

 absent (rarely in some Maci'olopJiini fused with the claws) . . .7. 



6b. Arolia always present, free, diverging towards the apex, and slightly 

 widened 12. 



(d). Onl\- in the aberrant Stcthoconus, Flor. ( Canipyloneiiriii i ), and Histrio- 

 coris, Renter ( Cnpsini), strongly convex. 



