46 U.S. NATIONAL IVIUSEUM BULLETIN 261 



punctate. Male pygofer not emarginate basiventrally; style not ex- 

 tending posteriorly as far as apex of connective, acute at apex; con- 

 nective Y-shaped with arms very short; aedeagus with shaft curved 

 smootlily posterodorsally, gradually tapered, rounded at apex, with 

 a basal unpaired tapering acute process extending almost as far pos- 

 teriorly as aedeagal shaft and curved very slightly dorsally. Female 

 abdominal sternum VII with posterior margin as in D. schmidti 

 Melichar. Other structural characters as in D. blantoni, new species. 

 Color of crown, pronotvim, and scutellum dull brownish yellow, the 

 pronotal callosities orange, forewings opaque white with a few black 

 dots. 



Holotype male and a pair of additional specimens. Morales, Gua- 

 temala (NCS), the type on indefinite loan to USNM; one male, 

 British Honduras (NCS) ; one male, Honduras, and a female. Vera 

 Cruz, Mexico (USNM); one female, Chiapas, Mexico (IZP). 



This species is closely related to D. rugicolle (Signoret), from which 

 it differs in the unbranched ventral aedeagal process. 



Diestostemma intermedium, new species 

 Figure 31 



Length of male 17 mm. Head with median length of crown less 

 than transocular width, antennal ledges with very shallow fovea 

 extending full-length, clypeus depressed medially, Pronotum without 

 gross elevations from surface, without callosities, disc coarsely punctate. 

 Forewings with supernumerary crossveins in clavus. Male genitalia as 

 in D. dolosum Melichar (fig. 32) but with apical aedeagal processes 

 longer and more slender, ventral processes arising at base instead of 

 near midlength. Color of crown and pronotum greenish yellow, of 

 scutellum and forewings chalky. 



Holotype male, "Amazonas" (RMS). 



This species is related to D. dolosum (Melichar), from which it differs 

 in the characters specified in the description. 



4. C;e»«5 HOMOSCARTA Melichar 



Figures 33-36 



Homoscarta Melichar, I926a:278. Type-species: Tettigonia irregularis Signoret, 

 by original designation. 



Length 16.0-22.0 mm. 



Head moderately produced with anterior margin rounded in dorsal 

 aspect, apex not or weakly carinate at transition from crown to face, 

 ocelli located on or slightly behind a line between anterior eye angles. 



