194 CATANTOPIN.i:. 



63 (56) Vertex between the eyes wider 

 than the frontal costa. 



54 (55) Tliorax slightly tectiforui, as- 



perate ; frontal costa scarcely 

 reaching the clypeus ; teg- 

 mina generally with a black 

 spot Gerenia, Stal, p. 243. 



55 (64) Thorax flattened dorsally, 



giving the appearance of 

 lateral carinee ; eyes promi- 

 nent ; base of thorax scarcely 

 angnlar, with a small central 

 notch jSavasia, gen. n., p. 255. 



56 (53j Vertex not wider than frontal 



costa. 



57 (66) Dorsal carina of pronotnm cut 



by three grooves. 

 68 (69) Antennre nearly three times as 

 loug as the head and thorax 

 together ; eyes rather promi- 

 nent ; thorax narrow, sub- 

 paiallel -sided, the base 

 acutely angular Apalacuis, Walk., p. 237. 



59 (58) Antennae less than twice the 



length of the head and 

 thorax together. 



60 (61) Base of pronotnm biangulate, 



having an angular emargin- 



atiou in the middle Bibeactoides, gen. n., p. 236. 



61 (GO) Base of pronotnm angularly 



produced. 



62 (65) Frontal costa parallel-sided, not 



or scarcely wider between 

 antennae, its margins gene- 

 rally obtuse and smooth. 



63 (64) Tegmina fully developed, ob- 



liquely truncate at apex. . . . Coptacba, Stal, p. 238. 



64 (6-3) Tegmina short, scarcely longer 



than pronotuni, narrowed 



towards apex Coptaceella, Bol., p. 239. 



65 (62) Frontal costa distinctly wddened 



between antennsB and Avider 

 than the vertex between the 

 eves ; tegmina obliquely 

 ti'uncate at apex Eucoptacea, Bol., p. 240. 



66 (57) Dorsal carina of prouotum cut 



by the third groove only ; 

 tegmina fully developed, 

 obliquely truncate at apex . . Epistaurus, Boh, p. 242. 



67 (42) Prosterual' tubercle cylindrical, 



obtuse at apex. 



68 (69) Metasternal lobes in both sexes 



contiguous, rarely slightly 

 separated in female ; pos- 

 terior tibiaj with at least 

 nine spines on the outside . . Catantops, Schaum, p. 246. 



