328 STUDIES IN AMERICAN TETTIGONIIDAE (oRTHOPTERA) 



Amblycorypha insolita new species (PL XI, fig. 40; pi. XII, figs. 44 and 



54. j 



1905. Amblycorypha huasteca Rehn (not of Saussure, 1859), Trans. 

 Kansas Acad. Sci., xix, p. 226. [Southern Arizona.] 



1907. (?) Amblycorypha huasteca Snow (not of Saussure, 1859), Ibid., 

 XX, pt. 2, p. 163. [Oak Creek Canyon, Arizona.] 



1909. Amblycorypha huasteca Rehn and Hebard (not of Saussure, 1839), 

 Proc. Acad. Nat. Sci. Phila., 1909, p. 168. [Dry Canyon, Sacramento 

 Mountains, New Mexico.] 



This strilcing form is a development of the huasteca type, carrying 

 some of the features of that species to a greater extreme and at 

 the same time differing in other purely diagnostic characters. 

 The pronotum has the lateral margins of the disk as broadty 

 rounded cephalad as in huasteca, but caudad they are more de- 

 cided than in that species, the tegmina and wings are much more 

 elongate, appreciably surpassing the tips of the caudal femora, 

 although of the same general form. The lateral lobes of the 

 pronotum have the angles more rounded and the humeral sinus 

 much more decidedly indicated. The stridulating vein of the 

 male tegmina is rather short and very broad and heavy, while the 

 distal margin of the subgenital plate of the same sex is V-emar- 

 ginate instead of truncate as in huasteca. The ovipositor is of the 

 same general form as in huasteca, but is relatively deeper with 

 the teeth larger and much more distinct. 



Type. — cf ; Quitman Mountains, El Paso County, Texas. Ele- 

 vation, 5200 feet. September 14, 1912. (Hebard.) [Hebard 

 Collection.] 



Description of Type.Size large; form elongate, moderately compressed; 

 surface of head and pronotum moderately polished. Head with greatest 

 width ventrad of eyes contained one and one-half times in depth of head; 

 occiput rounded, steeply declivent to the nearly vertical fastigium, latter 

 somewhat constricted at the paired ocelli, interfastigial suture sinuate, 

 greatest width of fastigium subequal to that of eye; antennae reaching to 

 tips of wings; eyes moderately prominent, elliptical in outline, faintly 

 pointed dorsad and ventrad. Pronotum deplanate, disk decidedly expand- 

 ing caudad and with its greatest width contained about one and one-third 

 times in length; lateral margins of disk broadly rounding into lateral lobes 

 cephalad, distinctly angulate caudad; cephalic margin of disk shallowly 

 arcuato-emarginate, caudal margin of disk strongly arcuate, transverse 

 sulcus forming a faint obomegoid figure on the middle of the disk; lateral 

 lobes of pronotum with depth slightly greater than greatest width, cephalic 

 margin faintly urcuato-emarginatc, vontro-ccphalic angle rounded obtuse- 

 angulate, ventral margin short, nearly straight, oblique, broadly round- 



