Uroleucon (Divium) ambiguum Pashtshenko, 2000

Pashtshenko. 2000. Aphids of the genus Uroleucon Mordvilko, 1914 (Homoptera, Aphididae) of the Russian Far East. I. Keys to subgenera and to the species of the nominotypical subgenus, descritions of new taxa. Entomologiskyi Obozrenia 79(4):835-850