title: A new subspecies of Сryptocephalus ergenensis Morawitz, 1863 (Coleoptera, Chrysomelidae) from Kazakhstan and significance of colour pattern polymorphism examination
abstract: Cryptocephalus apicalis species group is introduced and defined within the subgenus Asionus Lopatin, 1988. Cryptocephalus ergenensis Morawitz, 1863 from this group is first recorded in Eastern Kazakhstan and this form with unusual colour pattern is described herein as a new subspecies kalbensis Mikhailov, ssp. nov. The members of Cryptocephalus apicalis species group are keyed and illustrated. Significance of the colour pattern polymorphism in taxonomy is discussed.
journal: Ecologica Montenegrina