Diet Overlap

Bombus lapidarius (Stone Humble-bee) Bombus vestalis (Vestal Cuckoo-bee)

Common Diet

Centaurea jacea (Brown Knapweed) Chamerion angustifolium angustifolium (Rosebay Willowherb) Cirsium vulgare (Spear Thistle) Succisa pratensis (devilsbit)

Common Habitat

Africa Europe & Northern Asia (excluding China)