280 
General Catalogue of the Homoptera 
1897 [Hystero'pterum] immaculatum [nec Fabricius] Horvath, Fauna 
Regni Hungariae 1897: 55 [Listed] ^ 
1899 [Hystero'pterum] immaculatum [nec Fabricius] Puton, Catalogue 
Hemipttos Faune Palearctique. Fourth Ed. 1899: 106 [Listed]® 
1901 [Hysteropterum] immaculatum [nec Fabricius] Lambertie, Act. 
Soc. Linn. Bordeaux 56: 215 (87) [Listed]^® 
1902 Hysteropterum immaculatum [nec Fabricius] Cobelli, Pubbl. Mus. 
Civ. Rovereto 39: 9 [Listed]^ 
1902 Hlysteropterum] immaculatum [nec Fabricius] Melichar, Ann. 
Mus. Zool. St. Petersburg 7: 92 (17) [Comparative note] 
1903 Hysteropterum immaculatum [nec Fabricius] Graeffe, Boll. Soc. 
Adriatica Sci. Nat. Trieste 21: 60 (20) [Listed]^ 
1904 Hysteropterum immaculatum [nec Fabricius] Hiieber, Jahresh. 
Ver. Vaterl. Nat. Wiirttemberg 60: 268 [Listed]^ 
1904 Hysteropterum immaculatum [nec Fabricius] Hiieber, Catalogus 
Faunae Germanicae: Hemiptera Homoptera 1904: 268 [Listed]^ 
1906 Hlysteropterum] immaculatum [nec Fabricius] Distant, Fauna 
of British India 3: 341 [Listed]^^ 
1906 Hysteropterum immaculatum [nec Fabricius] Melichar, Abh. 
Zool. Bot. Ges. Wien 3: 134 [Described, catalogued]®’®- 
12 , 13 . 14,15 qig [Key]®’12 :133, 134, 144, 150 [Comparative 
notes] :318 [Listed]"! 
1907 Hysteropterum immaculatum [nec Fabricius] Oshanin, Ann. Mus. 
Zool. St. Petersburg 12: 267 [Catalogued]^-» Equals Issus 
immaculatus Herr.-Schaff. [nec Fabr.] 
1908 Hyst[eropterum] immaculatum [nec Fabricius] Oshanin, Ann. 
Mus. Zool. St. Petersburg 13: 449 [Listed]® 
1910 [Hysteropterum] immaculatum [nec Fabricius] Lambertie, Misc. 
Ent. 18: 91 [Listed]i® 
1910 Hysteropterum immaculatum [nec Fabricius] Schmidt, Stett. 
Ent. Zeit. 71: 158 [Catalogued]® 
1912 [Hysteropterum] immaculatum [nec Fabricius] Oshanin, Katalog 
palaarktischen Hemipteren 1912: 122 [Listed]® 
1913 Hysteropterum immaculatum [nec Fabricius] von Dalla Torre, 
Ent. Jahrb. 22: 149 [Listed]® 
1926 Hlysteropterum] immaculatum [nec Fabricius] Remy-Perrier, 
Faune France 4: 92; Fig. HI [Key, illustrated] 
1927 Hysteropterum immaculatum [nec Fabricius] Sherborn, Index 
Animalium 12: 3126 [Catalogued] Equals Issus [iimnaculatus 
Herr.-Schaff.] 
1929 Hysteropteru7n immaculatum [nec Fabricius] Lallemand, Mem. 
Est. Mus. Zool. Univ. Coimbra (1) 39: 8 [Listed]^® 
