leaf-cutter bee

US /ˈliːfˌkʌt̬.ɚ biː/
UK /ˈliːfˌkʌt̬.ɚ biː/
"leaf-cutter bee" picture
1.

a solitary bee that cuts neat, circular pieces from leaves or petals to line its nest cells

:
The gardener noticed the precise, circular cuts on his rose leaves, a sure sign of a leaf-cutter bee at work.
Unlike honeybees, leaf-cutter bees are solitary and do not live in large colonies.