REHN AND HEBARD 51 



CC. Structure not as attenuate.. Lateral lobes of pronotum with 



length greater than depth gracillima (Brunner) 



BB. Cephalic tibiae with proximal extremity somewhat swollen, 

 narrowing gradually distad of tympanum. Structure not as slender. 

 General color green (with exception of brown color phase of I. 

 abbreviata). 



C. Dorsum of pronotum deplanate. 



D. Lateral lobes of pronotum with length subequal to depth. 

 Lateral margins of dorsum of pronotum not carinate. 

 E. Limbs normal. 



F. Structure slender. Tegmina narrow. 



G. Size medium. Distal portion of tegmina and 

 wings narrow. 

 H. Structure slender. Marginal field of 

 tegmina narrowing abruptly distad from 

 proximal third. Ovipositor bent sharply 

 upward. Tegmina marked with a herring- 

 bone pattern, often very decidedly. 



elegans (Scudder) 

 HH. Structure more slender. Marginal 

 field of tegmina narrowing gradually dis- 

 tad. Ovipositor bent broadly upward. 

 Tegmina immaculate or nearly so. 



elegans consuetipes (Scudder) 

 GG. Size very small. Distal portion of teg- 

 mina and wings exceedingly narrow. (Mar- 

 ginal field of tegmina narrowing abruptly 

 distad from proximal third. Insect strikingly 

 marked with cinnamon, cream color, black and 



white.) getnmicula new species 



FF. Structure robust. Tegmina broad, marginal 

 field narrowing gradually distad. (Ovipositor 

 bent sharply upward. General color immaculate 



green.) apache (Rehn) 



EE. Limbs unusually short and heavj- with ventral mar- 

 gins of cephalic and median femora becoming sub-lamel- 

 late distad. (Ovipositor very long, evenly and gently 



arcuate.) lamellata new species 



DD. Lateral lobes of pronotum with length considerably 

 greater than depth. Lateral margins of dorsum of pro- 

 notum carinate. (Tegmina abbreviate. Limbs very long 

 and attenuate. Humeral sinus indicated by a very slight 

 sinuation. General color immaculate green or nearly 



immaculate brown.) abbreviata (Brunner) 



CC. Dorsum of pronotum not deplanate, pronotum extremely 

 sellate. (Other key characters the same as those given for 



TRANS. AM. ENT. SOC, XL. 



