OF THE 



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V ' v 7 



X^: 



ACRIDIID AE OEDIPODINAE 3 5 



b 2 . Lateral canthi of the metazona typically intersected by the 

 principal sulcus, often vanishing anterior to that ; principal 

 sulcus distinctly developed on the lateral lobes. 



c l . Pronotal carina entire or intersected by but one sulcus. 

 d l . Pronotum with a very high foliaceous crest. 



Tropidolophus Thomas. 



<1~. Pronotum crested or carinate, but not excessively. 

 e l . Body slender, compressed ; lateral foveolae of the 

 head trigonal, short. 



f l . The whole of the apical third of the tegmina, 

 even next the costal margin, membranaceous. 



(j 1 . The intercalary vein of the tegmina very dis- 

 tinct, retroarcuate, rather remote from the median 

 vein, nearly intermediate between it and the ulnar ; 

 the anterior intercalary area, therefore, rather broad ; 

 wings conspicuously marked, but not banded. 



Dissosteira Scudder. 



g 2 . The intercalary vein of the tegmina more or 

 less distinct, hardly arcuate, nearer the median 

 than the ulnar vein ; the anterior intercalary area, 

 therefore, narrow, densely coriaceous ; wings with a 

 fuscous arcuate median band. 



h l . Tegmina rather broad, the intercalary vein 

 more or less flexuous ; pronotal crest anteriorly 

 elevated, profoundly intersected, arcuate on the 

 metazona as seen laterally. 



Spharagemon Scudder. 



h 2 . Tegmina very narrow, the intercalary vein 

 straight, subobsolete ; pronotal crest low, straight 

 as seen laterally, not deeply intersected. 



Scirtettica Saussure. 



/ 2 . The apical membranaceous portion of the tegmina 

 oblique, the costal margin coriaceous. 



T^actista Saussure. 



e 2 . Body rather stout; lateral foveolae of the head 

 lanceolate. . Tomonotus Saussure. 



