214 U.S. NATIONAL MUSEUM BULLETIN 261 



SPECIES OF DICHROPHLEPS 



aurea (Fabricius), 1803a:63 {Cicada). Br. and Fr. Guiana. 



maculata Melichar, 1925a:330. New synonymy. 

 boliviana Schmidt, 1928c:59. Bolivia. 

 cingulifera (Walker), 1858a:99 (Proconia). 

 despecta Melichar, 1925a:330. Br., D. and Fr. Guiana. 

 elongata Melichar, 1925a:331. D. and Fr. Guiana. 

 hamata, new species. NW. Brazil. 

 symmetrica, new species. Gorgonas Is. 

 tenebrosa, new species. Fr. and Br. Guiana. 

 truncata, new species. Peru, Bolivia. 



KEY TO MALES OF DICHROPHLEPS 

 Not included: D. cingulifera (Walker). 



1. Aedeagus with an unpaired ventral process which does not lie in 



median plane D. aurea (Fabricius) (fig. 199) 



Aedeagus not as above 2 



2. Pygofer processes extending posteriorly as far as apex of pygofer . 3 

 Pygofer processes not extending so far posteriorly 4 



3. Aedeagus symmetrical D. elongata Melichar (fig. 204) 



Aedeagus asymmetrical D. tenebrosa, new species 



4. Male plates truncate apically; aedeagus symmetrical, with three 



pairs of short processes, one pair near midlength and two pairs 



at apex D. truncata, new species (p. 217) 



Without above combination of characters 5 



5. Pygofer processes elongate, slender, rounded apically 6 



Pygofer processes very short, subacute at apex 7 



6. Aedeagus with a pair of very elongate processes arising at base 



and a pair of very short processes near apex. 



D. boliviana Schmidt (fig. 202) 

 Aedeagus with a pair of short processes arising near base and a 

 pair of longer processes arising near midlength. 



D. hamata, new species (p. 218) 



7. Forewings suffused with amber before anteapical cells; crown of 



head without a median fovea; pygofer more strongly produced. 



D. symmetrica, new species (p. 219) 

 Forewings not suffused with amber; crown of head with a median 

 fovea on basal half; pygofer much less strongly produced. 



D. despecta Melichar (fig. 206) 



