162 U.S. NATIONAL MUSEUM BULLETIN 261 



SPECIES OF ACROBELUS 



ecuadorianus, new species. Ecuador. 



reflexus (Signoret), 1855c:524 {Tettigonia) [new name]. Costa Rica. 

 attenuatus (Walker), I851b:806 (Rhaphirrliinus), preoccupied. 



KEY TO SPECIES OF ACROBELUS 

 Paraphyses not attaining aedeagal apex, aedeagus without processes, 

 crown in dorsal aspect compressed at base of apical process. 



A. reflexus (Signoret) (fig. 149) 



Paraphyses exceeding aedeagal apex, aedeagus with short dorsal and 



ventral processes, crown in dorsal aspect not compressed at base of 



apical process A. ecuadorianus, new species 



Acrobelus ecuadorianus, new species 



Figure 150 



Length 16 mm. Head with median fovea narrow, of uniform width 

 throughout length. Forewing with pubescence longer and more irregular 

 than in A. reflexus (Signoret), corium punctate only near humeral 

 margin. Male style with slight median apical projection; aedeagus with 

 small dorsal and ventral processes near midlength of shaft; para- 

 physes greatly exceeding apex of shaft, with asymmetrical short proc- 

 esses. Other characters as in generic description. 



Holotype male with labels: "Ecuador" and "North'd" in USNM, 

 and one female, Abitagua, Ecuador, May 28 (NCS). 



The species is closely related to A. reflexus (Signoret), but differs in 

 the characters set forth in the key and in the description. 



37. Genus TELETUSA Distant 



Figure 151 

 Teletusa Distant, 1908b: 78. Type-species: T. paraguayensis Distant, by original 



designation. 

 Myogonia Melichar, 192Ga:332. Type-species: Tettigonia limpida Signoret, by 



original designation. New synonymy. 



Length 9.5-1 1.5 mm. 



Elead with crown slightly produced, median length less than inter- 

 ocular width, anterior margin rounded to face except at middle, where 

 there is a slight carina, ocelli much closer to posterior margin than to 

 apex, located behind a line between anterior eye angles, about midway 

 between latter and median line, with an M -shaped elevation bordering 

 posterior margin, with a full-length broad median fovea, without a 

 longitudinal carina laterad of each ocellus, with muscle impressions 

 forming a dorsal tuberosity on each side of apex, surface with elongate, 

 fine setae, lateral cl)T3eal sutures extending onto crown and attaining 



