The tree bumblebee is a recent arrival to the UK, arriving here naturally in 2003. Since then it has spread rapidly and is a valuable pollinator.
Tree Bumble Bee (Bombus hypnorum) · iNaturalist United Kingdom
Tree Bumblebee Bombus hypnorum - BRITISH NATURE GUIDE
Garden bees
Bumblebees
Tree Bumblebee (Bombus hypnorum) - Woodland Trust
Tree bumblebees have the Falls of Clyde buzzing
Bombus hypnorum - Wikipedia
Field Identification of Bumblebees - Online – Field Studies Council
Wild Bees in Manchester – The Bee Sanctuary Movement
Tree Bumblebee Bombus hypnorum, male at purple loostrife Lythrum
PDF) Bumblebees of the hypnorum-complex world-wide including two new near-cryptic species (Hymenoptera: Apidae)
Field Identification of Bumblebees - Online – Field Studies Council
Tree Bumblebee
Biodiversity Ireland - Céad míle fáilte to Ireland's next top bumblebee! We're delighted to report that we can finally confirm that the Tree Bumblebee (Bombus hypnorum) has arrived in Ireland. It was
Bombus Hypnorum, The Tree Bumblebee: Nesting, Foraging, Habitat