18 HOMOPTERA 



3. T . cordubensis. — PI. 2, Figs. 18a, b. Argentina. 



Tympanoterpcs cordubensis, Berg, Hem. Argent. Addend, p. ig5 (1SS4). 



4. T '. perpulchra. Brazil. 



Cicada perpulchra. Stal, Oefv. Vet.-Akad. Forh. (1854) p. 243. 

 Tympanoterpcs perpulchra, Stal, Ann. Soc. Ent. Fr. 14). Vol. 1, p.614 (186) . 



5. T. alboapicata. Argentina. 



Tympanoterpcs alboapicata, Distant, Ann. Mag. Nat. Hist. (7), Vol. i5. 

 p. 3i3 (igo5). 



6. T. tlegans. Argentina, Brazil. 



Tympanoterpcs elegans. Berg, Anal. Soc. Cient. Argent. Vol. 14, p. 40 

 1 1882); Waterhouse, Aid Ident. Ins. Vol. 2. t. 168, f. 2a, b. 



70. Genus ARIASA, Distant 



Ariasa. Distant, Ann. Mag. Nat. Hist. (7), Vol. i5, p. 314 (igo5). 



Characters. — Head (including eyes) wider than base of mesonotum, the eyes projecting beyond 

 anterior pronotal angles, vertex at area of ocelli as long as or only a little shorter than front; poste- 

 rior angles of pronotum more or less sublobately produced ; abdomen about as long as space between 

 apex of head and base of cruciform elevation; tympana largely exposed, the flaps only upwardly deve- 

 loped on the lateral areas; face large and globose; rostrum reaching the posterior coxae; opercula 

 short, not passing base of abdomen; abdomen beneath prominently channelled at each lateral margin; 

 tegmina and wings hyaline, the first with eight apical areas, basal cell a little longer than broad. 



Type. — A. Colombia, Distant. 



Geographical distribution of species. — Neotropical Region. 



1. A . Colombia;. — PI, 2, Figs. I 9a, b. Colombia, Venezuela. 



Tympanoterpcs Colombia 1 , Distant, Ann. Mag. Nat. Hist. (6), Vol. 10, p. 60 



(1S92). 

 Ariasa Columbia, Jacobi, Horn. Andina, Pt, 1, p. 9, f. 7 (1907). 



2. A. nigrorufa. Venezuela. 



Fidicina nigrorufa, Walker, List Horn. Vol. 1, p. g3 ii85oi. 



3. A. albiplica. 



Fidicina albiplica. Walker, List Horn. Suppl. p. 16 (iS58). 



4. A. nigrovittaia. Brazil. Bolivia. 



Ariasa nigrovittaia. Distant, Ann. Mag. Nat. Hist. 17), Vol. i5, p. 314 

 (igo5) ; Jacobi, Horn. Andina, Pt. 1, p. 9, f. 8 (1907). 



5. A. torrida. 



Cicada torrida, Walker, List Horn. Vol. 1, p. i5i (iS53i. 

 Ariasa queer enda, Kirkaldy, The Canad. Ent. (igog), p. 3gi. 



6. A. diupsilon. British Guiana. 



Cicada diupsilon. Walker, List. Horn. Vol. 1, p. i38 (i85o). 



7. A. marginata, Brazil. 



Cioada marginata, Olivier, Enc. Meth. Vol. 5, p. 755 (i7go). 



Cicada viridis, Germar (nee Fabricius), in Thon. Ent. Arch. Vol. 2 (2), 



P- 7 (i83o). 

 Ariasa brasilianorum, Kirkaldy, The Canad. Ent. (igog), p, 391. 

 Stoll, Cig. f. 100. 



71. Genus FIDICINA, Amyot & Serville 



Fidioina. Amyot & Serville, Hist. Hem. p. 472 (1843); Stal, Bidr. Rio Janeiro Trakt. Hemipterfauna 

 (Vet. Akad. Handl. Vol. 2), p. i8(i858); Ann. Soc. Ent. Fr. (4), Vol. 1, p. 614 (1861); Hem. 

 Afr. Vol. 4, p. 7 (1866); Distant (part.) Biol. Centr.-Amer. Rhynch. Horn Vol. 1, p. 16 (1881). 



