title: Harmonia axyridis (Pallas, 1773) (Coleoptera: Coccinellidae) in the Cities of Moscow and Yalta: Its Competition with Native Species of Coccinellids and the Influence of Parasitoids on Its Number
abstract: The Asian ladybird Harmonia axyridis is an invasive species that is rapidly spreading around the world. Occupying new territories, H. axyridis often causes a decrease in the biodiversity of native species of coccinellids, competing with them for food resources. A comparison of H. axyridis with six species of ladybirds was made in terms of the ratio of the number of individuals and the degree of infestation with parasitoids. In the city of Moscow, the most widespread species of ladybirds was Adal
journal: Russian Journal of Biological Invasions