F ULGOROIDEA—ISSIDAE 
279 
1882 Histeropteron [sic] immaculatus [nec Fabricius] Costa, Atti Acc. 
Sci. Napoli 9 (6) :58 [Listed]^ 
1882 Hysteropterum immaculatum [nec Fabricius] Ferrari, Ann. Mus. 
Genova 18: 86 (14) [Key] :87 (15) [Catalogued]^ Equals Issus 
[immaculatus Herr.-Schaff.] [nec Fabr.] 
1884 H[ysteropterum] immaculatum [nec Fabricius] Mayr, Tabellen 
der Cicadinen von Centraleuropa 1884: 18 [Listed]^’ ^ 
1885 H\ysteropterum\ immaculatum [nec Fabricius] Fairmaire, Histoire 
Naturelle de la France. Hemipteres 1885: 147 [Described]^ 
1885 Hysteropterum immaculatum [nec Fabricius] Ferrari, Boll. Soc. 
Ent. Italiana 17: 279 [Listed] ^ 
1885 H[ysteropterum] immaculatum [nec Fabricius] Ivanoff, Trav. Soc. 
Nat. Univ. Imp. Kharkow 19: 107 (25) [Key]^^ 
1886 Hysteropterum immaculatum [nec Fabricius] Low, Becker’s 
Hernstein in Niederosterreich 3: 497 [Listed]^ 
1886 [Hysteropterum] immaculatum [nec Fabricius] Put on, Catalogue 
Hemipteres Faune Palearctique. Third Ed. 1886: 71 [Listed]® 
1886 H[ysteropterum] immaculatum [nec Fabricius] Then, Jahres- 
Ber. Gymm. K. K. Theresianischen Akad. Wien 1886: 12 
[Listed]®’ ® 
1887 [Hysteropterum] immaculatum [nec Fabricius] Ragusa, Nat. 
Siciliano 6: 185 [Listed]* 
1891 Hysteropterum immaculatum [nec Fabricius] Rey, Rev. Ent. 
10: 242, 243 [Comparative notes] 
1892 Hysteropterum immaculatum [nec Fabricius] Ferrari, Ann. Mus. 
Genova (2) 12: 569 (21) [Listed]'^ 
1893 Hysteropterum immaculatum [nec Fabricius] Bezzi, Boll. Soc. 
Ent. Italiana 25: 108 (28) [Listed]^ 
1893 Hysteropterum immaculatum [nec Fabricius] Brancsik, Jahresh. 
Nat. Ver. Trencsener 15-16: 99 [Listed]^ 
1893 Hyrteropterum [sic] immaculatum [nec Fabricius] Schneider, 
Sitzber. Naturw. Ges. Isis Dresden 1893: 43 [Listed]^ 
1894 [Hysteropterum] immaculatum [nec Fabricius] Rey, Echange 10: 
14 [Comparative note] 
1896 Hysteropterum immaculatum [nec Fabricius] Melichar, Cicadi¬ 
nen von Mittel-Europa 1896: 47 [Described, catalogued]®’ ® :44 
[Key] :48 [Comparative note] 
189() Hysteropterum reticulatum [nec Ilerrich-Schaffer] Melichar, 
(hcadinen von Mittel-Europa 1896: PI. Ill, Figs. 26-30 [Il¬ 
lustrated] 
1897 Hysteropterum immaculatum [nec Fabricius] Aclocjue, Faune de 
France 1897: 401 [Key]*® 
