22G 
General Catalogue of the Homoptera 
1939 Hysteropterum angulare de Seabra, Publ. Dir. Ger. Serv. Flor. e 
Aquic. 6: 34, 47, 50, 62, 66, 75, 82, 85, 102, 113 [Listed]^ 
1942 [Hysteiopterum] angulare de Seabra, Mem. Est. Mus. Zool. Univ. 
Coimbra 121: 12 [Listed]^ 
Localities: ^ Spain. ^ Algeria. ^ Portugal. ^ Italy. 
angulare Fowler [nec Fieber]. See Hysteropterum mexicanum Kirkaldy. 
angusticeps Lethierry 
1874 Hysteropterum angusticeps Lethierry, Pet. Nouv. Ent. 1: 444 
[n. sp.]‘ 
1875 [Hysteropterum] angusticeps Puton, Catalogue Hemipteres 
d’Europe. Second Ed. 1875: 116 [Listed]^ 
1876 Hysteropterum angusticeps Lethierry and Puton, Ann. Soc. Ent. 
France (5) 6: 19 [Listed]^ :44 [Described]^ 
1877 Hysteropterum angusticeps Lethierry, Ann. Soc. Ent. Belgique 
20: 46 [Comparative note] 
1886 [Hysteropterum] augusticeps [sic] Puton, Catalogue Hemipteres 
Faune Palearctique. Third Ed. 1886: 71 [Listed]^ 
1890 [Hysteropterum] angusticeps Puton, Rev. Ent. 9: 232 [Compara¬ 
tive note] 
1899 [Hysteropterum] augusticeps [sic] Puton, Catalogue Hemipteres 
Faune Palearctique. Fourth Ed. 1899: 106 [Listed]^ 
1906 Hysteropterum angusticeps Melichar, Abh. Zool. Bot. Ges. Wien 
3: 122 [Described, catalogued]^ :117 [Key]^ :123 [Comparative 
note] :318 [Listed]^ 
1907 Hysteropterum angusticeps Oshanin, Ann. Mus. Zool. St. Peters¬ 
burg 12: 264 [Catalogued]^ 
1912 [Hysteropterum] angusticeps Oshanin, Katalog palaarktischen 
Hemipteren 1912: 122 [Listed]^ 
1918 Hysteropterum angusticeps de Bergevin, Bull. Soc. Hist. Nat. 
Afrique du Nord 9: 194 [Notes] ^ 
Localities: ^ Algeria. ^ Constantine. 
angustum Melichar 
1906 Hysteropterum angustum Melichar, Abh. Zool. Bot. Ges. Wien 
3: 130 [n. sp.]^’^’^-^ :118 [Key]^-^-^ :131 [Comparative note] 
:318 [Listed]^' ^ 
1907 Hysteropterum angustum Oshanin, Ann. Mus. Zool. St. Peters¬ 
burg 12: 267 [Catalogued]^ 
1912 [Hysteropterum] angustum Oshanin, Katalog palaarktischen 
Hemipteren 1912: 122 [Listed]* 
Localities: ^ Samos Island. 2 Rhodes. ^ Grecian Archipelago. Poros Island. 
^ Aegean Islands. ® Greece. 
apterurn Fabricius. See Falcidius apterus Fabricuis. 
