MORGAN HEBARD 147 



medio-longitudinal carina weak, particularly in caudal portion of prozona; 

 metazona finely impresso-punctate; caudal margin produced, forming an 

 angle of slightly over 90° with apex rounded. Tegmina reaching to near base 

 of supra-anal plate, venation very delicate. Wings reduced, reaching teg- 

 minal apices, incapable of sustained flight. Distal portion of abdomen evenly 

 tapering, showing no enlargement. Furcula represented by two brief con- 

 vexities, each projecting a distance of half its basal width. Supra-anal plate 

 no longer than basal width, triangular with apex rounded, with a slender 

 transverse carina mesad except at medio-longitudinal sulcus, which is deep in 

 proximal half but obsolete distad. Cercus short, simple, broad at base, taper- 

 ing to acute apex, length hardly one and one-half times basal width. Sub- 

 genital plate conical, produced to the dorso-distal blunt apex. Prosternal 

 spine elongate, acute-conical. Interspace between mesosternal lobes over 

 three times as long as wide. Cephalic and median femora moderately inflated. 

 Caudal femora short, very robust, much more so than in any species of Cam- 

 pylacantha. Caudal tibiae with (10-11) spines. Caudal tarsus nearly half as 

 long as caudal tibia. 



Allotype. — 9 ; same data as type. [Hebard Collection.] 



Agrees closely with male in coloration and relative proportions, except in 

 the following characters. Size larger, form stouter and head even larger 

 proportionately than in male. Vertex proportionately broader. Tegmina 

 and wings extending to near apex of supra-anal plate. Genitalia normal, the 

 ovipositor valves short with apices acute and rather strongly curved. Pro- 

 sternal spine stouter than in male. Interspace between mesosternal lobes 

 nearly twice as long as broad. 



Measurements (in millimeters) 



Length of Width of 

 ■Ti Length of Length of Length of caudal caudal 



O body pronotum tegmen femur femur 



Type. 21.7 4.8 11 11.8 3.3 



Paratypes (7). 18.5-21.8 4.2-5.2 10.2-12 10.6-12.3 3.2-3.8 



Double Windmill, 



Brewster County, 



Texas. 16.4 3.9 9.2 9.8 2.9 



9 

 Allotype. 25 5.7 15 12.8 4 



Paratypes (9). 23-26.2 5.7-6.2 13.3-14.4 13.5-14.3 4.2-4.4 



Cotulla, Texas. 28 6.4 14.3 14.8 4.4 



The size variation is shown by the series at hand to have no geographic 

 significance whatever. 



Coloration. — Little variation in general appearance is shown by the series, 

 though considerable differences in shade are apparent on close examination. 

 The material from Corpus Christi averages slightly darker than the other 

 specimens. Those from San Antonio and Cotulla show the richest coloration. 



Eyes buckthorn brown to chestnut brown. Antennae cinnamon-rufous, 

 becoming paler and more yellowish proximad. Face light brownish olive, 



TRANS. AM. ENT. SOC, XLIV. 



