BWARS Bees, Wasps & Ants Recording Society
File:Bombus terrestris1 trzmiel ziemny small.jpg - Wikimedia
Apidae - Honeybees, bumblebees, carpenter bees - Overview 1
Apidae - Honeybees, bumblebees, carpenter bees - Overview 1
File:Bombus terrestris - Trzmiel ziemny - Buff-tailed bumble