Clay Bolt / Blue-banded bee (Amegilla sp) males sleeping on stem. Halmahera, North Maluku, Indonesia.

Phil Savoie / Garden bumblebee (Bombus hortorum) worker flying to Foxglove (Digitalis purpurea) Monmouthshire, Wales, UK, June.

MYN / Corne van der Linden / Blue banded bee (Amegilla chlorocyanea) South-Western Australia.

Oliver Wright / Blue banded bee (Amegilla sp.) roosting with early morning dew, Southern Bulgaria, June.

Juergen Freund / Blue banded bee (Amegilla chlorocyanea) collecting nectar from basil flower, Australia.

Nick Upton / Two-coloured mason bee (Osmia bicolor) resting at its nest in a Brown-lipped snail (Cepaeae nemoralis) shell before flying away, chalk grassland slope, Somerset, UK, May.

Alan Williams / Small garden bumblebee (Bombus hortorum) landing on an Agapanthus flower in garden, Cheshire, UK, July.