2026 Ecosystem Transformation 9 (4), 74-92

Long-term dynamics of the composition, occurrence, and abundance of butterfly species (Lepidoptera, Papilionoidea) in the vicinity of Ukhta, Republic of Komi

This article presents the results of long-term observations of the dynamics in composition, abundance, and occurrence of butterfly species in the vicinity of Ukhta, Republic of Komi. It was found that from 1959 to 2024, the number of recorded species increased from 53 to 78. The core composition of the local fauna has been fully identified and includes 60 species; the rest are seasonal migrants and adventive species that have penetrated the study area over the past three decades. A significant portion of adventive species have successfully naturalized in local natural communities.