FIGURE 5 in Redescription of Bythotrephes arcticus Lilljeborg, 1901 (Crustacea: Cladocera: Onychopoda) and confirmation of an independent species status of the distant Transcaucasian populations of the genus Bythotrephes Leydig

FIGURE 5. Bythotrephes arcticus Lilljeborg, adult parthenogenetic females (A, lake 1 (basin of the River Tchernaya, Bol'shezemelskaya tundra, Arkhangel'skaya region, North-Eastern European Russia); B, E, Lake Sabanty Kul, Akmolinskaya region (Kazakhstan); C, lake near village Puiko, Yamal Peninsula (Western Siberia, Russia); D, F, Forellenmägen (Norway); G, Pustozersk (Arkhangel'skaya region, North-East of European Russia); H, Råbosjön (Hls, Sweden); I, tundra near mouth of the River Pechera (Bol'shezemelskaya tundra, Arkhangel'skaya region, North-Eastern European Russia); J, K, Karabel'naya bay ("Karabella"), Kola Peninsula, Russia), Lake Dubovskoi (Bol'shezemelskaya tundra, Arkhangel'skaya region, North-Eastern European Russia)). A–K, variability of postabdominal claws and claws of caudal process. L, postabdomen and proximal part of caudal process with two sclerotized sections (dotted).