Typical foraging habitats of Bombus jonellus in the north-western Russian Plain: (A) Coniferous forest, near Mezen Town; (B) Coastal heathland with Empetrum nigrum, of the Solovetsky Islands; (C) Meadow-like habitat, delta of the Northern Dvina River; (D) Roadside in the birch forest, near Kholmogory Village. Photos: Grigory Potapov