278 
General Catalogue of the Homoptera 
1843 Hysteropterum immaculatwn [nec Fabricius] Amyot and Serville, 
Histoire Naturelle des Insectes. Hemipteres 1843: 519 [De¬ 
scribed] ^ Equals Issus immaculatus Fabr. [error] 
1847 [Hysteropterum] immaculatum [nec Fabricius] Amyot, Ann. Soc. 
Ent. France (2) 5: 176 To Hysteropterum [non binom.] [error] 
1848 [Hysteropterum] immaculatum [nec Fabricius] Amyot, Entomo- 
logie Frangaise. Rhynchotes 1848: 372 To Hysteropterum [non 
binom.] [error] 
1849 Hysteropterum immaculatum [nec Fabricius] Lucas, Exploration 
de TAlgerie 4: 104 To Issus apterus Fabr. [error] 
1851 Hysteropterum immaculatum [nec Fabricius] Walker, List of 
Homopterous Insects 2: 373 [Catalogued] Equals Cercopis im¬ 
maculatus Fabr. [error] Equals Issus immaculatus Fabr. [error] 
1853 Hysteropterum immaculatum [nec Fabricius] Lucas, Essai sur les 
Animaux Articules qui Habitent ITle de Crete 1853: 70 To Issus 
apterus Fabr. [error] 
1854 Hysteropterum immaculatum [nec Fabricius] Lucas, Rev. Mag. 
Zool. (2) 6: 284 To Issus apterus Fabr. [error] 
1855 H[ysteropterum] immaculatum [nec Fabricius] Fairmaire, Histoire 
Naturelle de la France. Hemipttos 1855: 147 [Described]^ 
1855 Hysteropterum immaculatum [nec Fabricius] Mulsant and Rey, 
Ann. Soc. Linn. Lyon (2) 2: 426; Figs. 4, 6 [Illustrated] 
1855 Hysteropterum immaculatum [nec Fabricius] Mulsant and Rey, 
Opusc. Ent. 6: 326; Figs. 4, 6 [Illustrated] 
1859 Hysteropterum immaculatum [nec Fabricius] Dohrn, Catalogus 
Hemipterorum 1859: 64 [Listed]^ 
1863 Hysteropteron [sic] immaculatum [nec Fabricius] Costa, Atti Acc. 
Sci. Napoli 1 (2) :72 [Listed] 
1864 Hist[eropterum] [sic] immaculatum [nec Fabricius] Costa, Ann. 
Mus. Zool. Napoli 2: 137 [Comparative note] 
1868 H[ysteropterum\ immaculatum [nec Fabricius] Kirschbaum, 
Jahrb. Ver. Nat. Nassau 21-22: 55 [Key]^ :56 [Comparative 
note] 
1872 Hysteropterum immaculatum [nec Fabricius] Fieber, Katalog 
europaischen Cicadinen 1872: 4 [Listed]® 
1875 [Hysteropterum] immaculatum [nec Fabricius] Puton, Catalogue 
Hemipteres d’Europe. Second Ed. 1875: 117 [Listed]® 
1877 H[ysteropterum] immaculatum [nec Fabricius] Fieber, Rev. Mag. 
Zool. (3) 5: 43 [Key]® Equals Hysteropterum grylloides Herr.- 
Schaff. [error] 
