FuLGOROIDEA—ISSIDAE 
239 
1936 Hysteropterum duhium Lindberg, Comm. Biol. 4 (9) :2, 19 
[Listed]^ 
1939 Histeropterum [sic] duhium de Seabra, Publ. Dir. Ger. Serv. Flor. 
e Aquic. 6: 174 [Listed]^ 
1942 [Hysteropterum] duhium de Seabra, Mem. Est. Mus. Zool. Univ. 
Coimbra 121: 12 [Listed]^ 
1954 H[ysteropterum] duhium Lindberg, Comm. Biol. 14 (1): 160 
[Catalogued]^’ ^ :298 [Listed]^’ ^ 
Localities: ^ Canary Islands. ^ Tenerife Island. ^ Portugal. ^ La Palma. 
dufourii Spinola. See Hysteropterum flavescens Olivier. 
€ Spinola (var.) [flavescens]. See Hysteropterum flavescens var. e Spinola. 
ergenense Becker 
1865 Issus ergenensis Becker, Bull. Soc. Nat. Moscou 37: 482 [n. sp.]^ 
1866 /ss[tts] ergenensis Becker, Bull. Soc. Nat. Moscou 39: 204 [Listed]^ 
1872 [Hysteropterum] ergenense Fieber, Katalog europaischen Cica- 
dinen 1872: 4 [Listed]^ 
1875 [Hysteropterum] ergenense Puton, Catalogue Hemipteres d’Eu- 
rope. Second Ed. 1875: 116 [Listed]^ 
1877 H[ysteropterum] ergenense [sic] Fieber, Rev. Mag. Zool. (3) 5: 41 
[Key]2’3 
1886 [Hysteropterum] ergenense Puton, Catalogue Hemipteres Faune 
Palearctique. Third Ed. 1886: 71 [Listed]^ 
1899 [Hysteropterum] ergenense Puton, Catalogue Hemipteres Faune 
Palearctique. Fourth Ed. 1899: 106 [Listed]^ 
1906 Hysteropterum ergenense Melichar, Abh. Zool. Bot. Ges. Wien 3: 
136 [Described, catalogued]^ - ^ Equals Issus ergenensis Beck. 
:119 [Key]^ :318 [Listed]^ 
1907 Hysteropterum ergenense Oshanin, Ann. Mus. Zool. St. Peters¬ 
burg 12: 268 [Catalogued]^’ ^ 
1910 Hysteropterum ergenense Schmidt, Stett. Ent. Zeit. 71: 158 
[Catalogued]^’ 
1912 [Hysteropterum] ergenense Oshanin, Katalog palaarktischen 
Hemipteren 1912: 122 [Listed]^ 
1914 H[ysteropterum] ergenense Melichar, Mitt. Kaukasischen Mus. 8: 
135 (9) [Comparative note] 
1926 Hysteropterum ergenense Kusnezov, Rev. Russe d’Ent. 20: 281; 
Fig. 1 [Comparative note, illustrated] 
Localities: ^ Russia. ^ Southern Russia. ^ Saratov. Stalingrad. 
ergenense. Typographical error for Hysteropterum ergenense Becker. 
erratum (yaldwell 
1945 Hysteropterum erratum Caldwell, Ann. Ent. Soc. America 38: 102; 
