FuLGOROIDEA—ISSIDAE 
213 
1935 Euthiscia tuherculata Ball, Bull. Brooklyn Ent. Soc. 30: 37 [Food 
plants]^' ^ 
1937 [Euthiscia] tuherculata Van Duzee, Proc. California Acad. Sci. 
(4) 22: 120 [Food plants] :119, 120 [Comparative note]^ 
1939 Euthiscia tuherculata Doering, Bull. Univ. Kansas Sci. Bull. 25: 
479; PI. XLIX, Figs. 6-7; PI. LII, Fig. 11; PI. LIII, Fig. 8; PL 
LIV, Figs. 6, 9; PI. LVI, Fig. 3 [Described, food plants, cata¬ 
logued, illustrated]^ - 2 .3,4 
1940 [Euthiscia] tuherculata Essig and Usinger, Pan-Pacific Ent. 16: 
166 [Catalogued] 
1954 Euthiscia tuherculata Fennah, Trans. Ent. Soc. London 105: 471, 
472 [Notes] 
Localities: ^ Baja California. ^ Monserrate Island. ^ Arizona. California. 
Genus Hemisobium Schmidt 
Orthotype Hemisohium hammersteini [n. sp.] 1911 Schmidt, Stett. 
Ent. Zeit. 72: 259 
Hemisobium 1911 Schmidt, Stett. Ent. Zeit. 72: 259 [gen. n.] 
1930 Schulze, Kiikenthal and Heider, Nomenclator 
Animalium 3 (12) .T513 [Catalogued] 
1939 Neave, Nomenclator Zoologicus 2: 613 [Cata¬ 
logued] 
hammersteini Schmidt 
1911 Hemisohium hammersteini Schmidt, Stett. Ent. Zeit. 72: 261 
[n. sp.]i 
Localities: ^ Tanganyika. 
horvathi Melichar 
1906 Hysteropterum horvathi Melichar, Abh. Zool. Bot. Ges. Wien 3: 
153 [n. sp.]^ :154 [Comparative note] :319 [Listed]^ 
1910 Hysteropterum horvathi Jacobi, Schwedischen Zoologischen 
Expedition Kilimandjaro 1910: 99, 110, 135 [Listed]^- ^ 
1911 [Hemisohium horvdthi] Schmidt, Stett. Ent. Zeit. 72: 258 [Listed]^ 
Equals H[ysteropterum] horvdthi Mel. 
Localities: ^Tanganyika. ^ Eritrea. 
vibex Melichar 
1906 Hysteropterum vihex Alelichar, Abh. Zool. Bot. Ges. Wien 3: 154 
[n. sp.]^ :319 [Listed]^ 
1911 [Hemisohium vihex] Schmidt, Stett. Ent. Zeit. 72: 258 [Listed]^ 
Equals H[ysteropterum] vihex Mel. 
Localities: ^ Tanganyika. 
