460 General Catalogue of the Homoptera 
1888 Ilisteropterum [sic] camelus Costa, Atti Acc. Sci. Napoli (2) 1 
(9) :39 [Listed] 5 
1890 [ Hysteropterum \ camelus Puton, Rev. Ent. 9 : 232 [Compara- 
tive note] 
1897 Hysteropterum difforme Horvath, Rev. Ent. 16 : 94 [Synonymy] 
Equals Issus [difformis Spin.] Equals Histeropteron [sic] camelus 
Costa 
1897 H[ysteropterum] camelus Noualhier, Rev. Ent. 16 : 80 [Compar- 
ative note] 5 
1899 [ Hysteropterum ] (?) adscendens Puton, Catalogue Hemipteres 
Faune Palearctique. Fourth Ed. 1899 : 105 To Hysteropterum 
suturale Fieb. [error] 
1899 Hysteropterum difforme Puton, Catalogue Hemipteres Faune 
Palearctique. Fourth Ed. 1899 : 105 [Listed] 3 ’ 6 Equals Hyster- 
opterum camelus Costa 
1905 Cyphopterum adscendens Melichar, Ann. Mus. Nat. Hungarici 
3: 476 [Described, key, catalogued] 3 ’ 5 ’ 6 Equals Issus adscendens 
Herr.-Schaff. Equals Cyphopterum difformis Amy. Equals Hys- 
teropterum camelus Costa Equals Issus difformis Spin. 
1905 Issus difformis Melichar, Ann. Mus. Nat Hungarici 3: 475 
[Described] 
1906 Cyphopterum [difforme] Melichar, Abh. Zool. Bot. Ges. Wien 
3: 154 [Catalogued] Equals H[ysteropterum] difforme Costa 
Equals Hysteropterum camelus Costa 
1907 Cyphopterum adscendens Oshanin, Ann. Mus. Zool. St. Peters- 
burg 12 : 296 [Catalogued] 3 - 5 ’ 7 - 10 Equals Issus adscendens Herr.- 
Schaff. Equals Issus difformis Spin. Equals Hysteropterum 
camelus Costa 
1912 Cyphopterum adscendens Oshanin, Katalog palaarktischen 
Hemipteren 1912: 125 [Listed] 8 Equals [ Cyphopterum ] camelus 
Costa Equals [ Cyphopterum ] difforme Spin. 
1918 Cyphopterum adscendens de Bergevin, Bull. Soc. Hist. Nat. 
Afrique du Nord 9 : 117 [Notes] 9 ’ 10 Equals Doumerguella para- 
doxa de Berg, [error] Equals Hysteropterum difforme Spin. Equals 
Hysteropterum adscendens Herr.-Schaff. Equals Hysteropterum 
camelus Costa 
1923 Cyphopterum adscendens Melichar, Gen. Insect. 182: 93 [Cata- 
logued] 3 - 5 ’ 6 Equals Issus [adscendens Herr.-Schaff]. Equals 
Issus difformis Spin. Equals Hysteropterum camelus Costa 
Equals Cyphopterum f difforme Mel.] 
1942 [ Cyphopterum ] adscendens (?) de Seabra, Mem. Est. Mus. Zool. 
Univ. Coimbra 121 : 12 [Listed] 12 
1952 Cyphopterum adscendens Servadei, Redia 37: 471 [Listed] 5 
