Leaf cutter bees are not social, like the honeybees or wasps (yellow jackets), thus the female cutter bees do all of the work when it comes to rearing the young. They are not an aggressive bee and do not sting unless handled, even then their sting is mild and far less painful than a honeybee sting or wasp bite.
Do leaf cutter bees have stingers?
Leafcutter bees are native bees, important as pollinators. Leafcutter bees are not aggressive and have a mild sting that is used only when they are handled.
Are leaf cutter bees rare UK?
The females tend to collect leaves from roses, willowherbs, birch trees, ash trees, horse chestnuts, lilacs and honeysuckles. Seen from June to early September. These bees are common throughout much of the UK, especially across England and Wales.