444 
General Catalogue of the Homoptera 
1870 [Thionia coriacea] Dallas, Zool. Rec. 6: 483 Equals /[ssws] coria- 
ceus Stal 
1906 [/ssws] coriaceus Melichar, Abh. Zool. Bot. Ges. Wien 3: 215, 
320 To Issoscepa nodipennis Germ, [error] 
1910 Thionia coriacea Bergroth, Wien. Ent. Zeit. 29: 240 [Listed]^ 
1925 Issus coriaceus Sherborn, Index Animalium 7: 1525 [Catalogued] 
1932 Issocepa [sic] coriaceus Schmidt, Stett. Ent. Zeit. 93: 56 [Listed]^ 
1938 Thionia coriacea Metcalf, Bull. Mus. Comp. Zool. Harvard Coll. 
82:408 [Key] :410; PL 12 [Described, catalogued, illustrated] 
1945 Thionia coriacea Metcalf, Zoologica 30: 136 [Described]^’® 
:138 [Listed] 
Localities: ^ South America. ^ Brazil. ^Central America. ^Guiana. ^ Rio de 
Janeiro. ® Barro Colorado Island. Pard. * Panama. ^ British Guiana. 
coriacea Melichar. See Thionia par ana Bergroth. 
crucifera Metcalf 
1938 Thionia crucifera Metcalf, Bull. Mus. Comp. Zool. Harvard 
Coll. 82: 411; Pis. 14, 19 [n. sp., illustrated]^ :408 [Key] 
Localities: ^Barro Colorado Island. 
dissimilis Schmidt 
1910 Thionia dissimilis Schmidt, Stett. Ent. Zeit. 71: 206 [n. sp.]^ 
1938 Thionia dissimilis Metcalf, Bull. Mus. Comp. Zool. Harvard 
Coll. 82: 408 [KeyY 
Localities: ^ Colombia. 
dry as Fennah 
1945 Thionia dryas Fennah, Proc. United States Nat. Mus. 95: 507; 
PL 17, Figs. 527-534 [n. sp., illustrated]^ 
Localities: ^ Trinidad. 
dubiosa Melichar 
1906 Thionia dubiosa Melichar, Abh. Zool. Bot. Ges. Wien 3: 276 
[n. sp.]^' ^ :269 [Key]^ :321 [Listed]^ 
Localities: ^ South America. ^ Peru. 
ecuadoriensis Schmidt 
1910 Thionia ecuadoriensis Schmidt, Stett. Ent. Zeit. 71: 203 [n. sp.]^ 
Localities: ^ Ecuador. 
elliptica Germar 
1830 Issus ellipticus Germar, Thon’s Entomologisches Archiv. 2 (2) 
:51 [n. sp.]^ 
1850 /[sstts] ellipticus Schaum, Allgemeine Encyklopadie Ersch und 
Gruber 51: 71 [Listed]^ 
1851 Issus ellipticus Walker, List of Homopterous Insects 2: 373 
[Listed] 
