Bruner : Soi'TH American Tetru;id/E. 91 



hh. Dorsum somewhat dcprcssctl. 

 i. Median carina of the pronotum compresso-elevated between 

 the shoulders; the vertex very wide, transverse, fully 

 twice the width of one of the eyes. .Gladioletlix Hancock. 

 11. Median carina of the pronotum not compresso-elevated 

 between the shoulders; the vertex narrower, but little, if 

 any, wider than one of the eyes. 

 j. Middle femora about one-half as wide as long. 



k. Stature very small Crimisus Bolivar. 



kk. Stature medium, or larger. Pronotum with the median 

 carina interrupted or undulate. . .Sderotetlix Bruner. 

 jj. Middle femora much longer than wide. 



k. Vertex with the median carina distinctly produced in 

 advance of the eyes; posterior angles of the lateral 

 lobes of the pronotum outwardly flattened, somewhat 

 acute; body without tegmina or wings. 



Melrodora Bolivar. 

 kk. Vertex with the median carina not at all produced 

 beyond the eyes. 

 /. Posterior ocelli placed between the inferior part of the 

 eyes. 

 m. Posterior femora of normal form. First and third 

 joints of hind tarsi of equal length. 



Olumba Morse. 

 m7n. Posterior femora triquetrous, the genicular spine 

 triangular, strongly elevated, produced. 



Trigonofemora Hancock. 



II. Posterior ocelli placed near 'the middle of the eyes. 



w. Lower posterior angles of sides of pronotum little 



flattened outwards and angulate, truncate 



behind, or acutely produced but not at all 



spined. Body rugose. . . Scahrotetlix Hancock. 



mm. Lower posterior angles of sides of pronotum 



turned down, not at all obliquely truncate. 



Body subrugose Allotettix Hancock. 



cc. Vertex acute and lengthily produced in advance of the eyes, armed on 



each side with one or two denticles Milriteltix Hancock. 



bb. Posterior angles of the lateral lobes of the pronotum turned down, more or 



less rounded, not at all obliquely truncate; third joint of the hind tarsi 



shorter than the first. 



c. Anterior and middle femora carinate above; pronotum truncate anteriorly, 



rarely angulately produced. Antennae fewer jointed. . . .TETRiGiNiE. 



d. Vertex strongly narrowed forward, drawing the eyes very near together 



anteriorly. The pronotum subcylindrical, smoothly granulate, the 



carinse very low or flattened Teredorus Hancock. 



dd. Vertex somewhat narrowed toward the front but the anterior border 

 truncate, about one-half to quite the breadth of one of the eyes or even 

 a little more. 



