126 ORTHOPTEROUS GROUP INSARAE 



ish white ventrad. Pjonotum with converging continuations of 

 the postocular bars indicated more or less distinctly on the prozona, 

 similar in color, the garnet brown occasionally fairly broad and the 

 enclosed portion of the prozona almost always more or less finely 

 punctulate with the same; caudal margin of pronotal disk margined 

 with the same two colors, rarely the garnet brown is absent but 

 frequently it is much weakened; lateral lobes with the callosed 

 caudal margin hoary white, creamy white or yellowish white. Teg- 

 mina of male with the broad arcuate section of the stridulating 

 field between the speculum and anal vein infuscate, generally 

 deeply so and ranging from seal brown, with the immediate vicinity 

 of the anal vein madder brown, to verona brown with the anal 

 vein cinnamon-buff; vicinity of the same portion of the anal vein 

 in the female more or less distinctly lined with vinaceous-rufous. 

 Abdomen with the usual pale lateral line always more or less indi- 

 cated, ranging from cream color to clay color, frequently more or 

 less contrasted dorsad by a parallel edging of garnet brown, the 

 latter often absent, the dorsum of the abdomen between the pale 

 lines frequently closely and finely punctulate with garnet brown. 

 Cerci of male more or less yellowish, tips blackish; ovipositor of 

 female with the distal extremity deeper in tone than the proximal 

 section. Limbs, as in other forms of the genus, more or less suf- 

 fused with garnet brown, this often very pale and rarely absent, 

 generally limited to the femora, but occasionally in a tinctured 

 form coloring the tibiae as well, on the cephalic and median femora 

 generally tinting the entire part, the caudal femora usually having 

 the proximal and distal extremities of the base color. 



Taken as a whole the individuals from southern Arizona are 

 paler and more buffy than those from the more elevated sections 

 in New Mexico and western Texas, no buffy specimens being in our 

 series from the latter regions, while full greenish individuals are the 

 exception from southern Arizona. The buffy individuals as a whole 

 show less color contrasts, but the converse deduction that the 

 greenish ones all show more contrasts does not hold true, occasional 

 greenish specimens having very little contrast, although the great- 

 est contrasts are in that extreme. The paleness of the Arizona 

 specimens appears to be suitably explained by the more decided 

 desert habitat in which they occur. 



