CICADELLOIDAE — EUSCELIDAE 1521 



D [eltocephahis] frigidus Lindberg 1935b : 392 [Comparative 



note] 

 Deltocephalus frigidus Ossiannilsson 1938a: 1 [Taxonomy] 



2, 5, 6, 7, 8, 9 Equals Jassus (Deltocephalus) frigidus Flor : 



2, 3, 5, 6 [Comparative notes] : 4; figs. 5-6 [Described, 



illustrated] 

 Deltocephalus aquilonis Ossiannilsson 1938a: 6; figs. 2, 9-10 



[n. sp., illustrated] ^^ : 1 [Listed] : 3, 5 [Comparative 



notes] 

 [Psammotettix] frigidus 'RihautldSSb: 166 (1) [Listed] 

 [Psammotettix] aquilonis Ribsiut 193Sb : 166 (1) [Listed] 

 Pslammotettix] frigidus Dlabola 1945b: 55 [Catalogued] ^• 



10, 11 



[Deltocephalus] frigidus Dlabola 1945b : 57 To [Psammotet- 

 tix lividellus Zett.] [error] 



Ps [ammotettix] aquilonis [sic] Dlabola 1945b : 55 [Cata- 

 logued] 8. 10, 11 



Plsammotettix} frigidus Liindherg 1947a: 41 [Catalogued] ^^ 

 Equals Deltocephalus frigidus Boh. Equals Dleltocephalus] 

 lividellus Sahib, [in part] : 75 [Listed] ^^ 



[Psammotettix] frigidus Ossiannilsson 1947b: 190 [Key] : 

 191 ; figs. 461-462 [Described, ecology, illustrated] i- 12, 13 

 Equals [Psammotettix] lividellus (in part) Equals 

 [Psammotettix] aquilonis Oss. 



Psammotettix frigidus Ossiannilsson 1948a : 18 [Listed] i- 12, 

 ^2 Equals [Psammotettix] lividellus (in part) Equals 

 [Psammotettix] aquilonis Oss. 



Psammotettix frigidus Kontkanen 1949b: 93 [Listed] ^- 



Psammotettix frigidus Ossiannilsson 1951b : 54 [Ecology] ^^ 

 Equals Deltocephalus lividellus Zett. (in part) (?) 



Psammotettix frigidus Kontkanen 1952b : 562 [Listed] ^^ 



[Psammotettix] frigidus Kontkanen 1953a: 102, 103 [Ecol- 

 ogy] 12 



Localities : ' Sweden. " Livonia. ^ Prussia. ^ Mecklenburg. 

 ^ Greenland. ^ Northern Russia. ' Denmark. ® Scandinavia. 

 ^ Germany. ^° Bohemia. " Moravia. ^- Finland. '" Norway. 

 " Swedish Lapland. ^' Lapland. 



y- de Carlini (var.) istriatus] [nom. nud.]. See Psammotettix striatus var. 

 7- de Carlini [nom. nud.]. 



halophilus Edwards 



[Deltocephalus] halophilus Edwards 1922a: 207 [nom. nud., 



listed] 1 

 Deltocephalus halophilus Edwards 1924a : 53 [n. sp., key] 2. 3 



