RM2HF07DE–Sharp-tailed / Cuckoo Bee (Coelioxys elongata) Female, Megachilidae. Sussex, UK
RMBGGBAP–Cuckoo Bee (Nomada sp.) resting on leaf, Oxfordshire, UK.
RM2D97546–Cuckoo Bee (Thyreus ramosus) female on flower, Mont Ventoux, Provence, France
RM2D7P5J1–Male Red-tailed Cuckoo Bee, Bombus rupestris, feeding on Marjoram flowers; social parasite on Red-tailed Bumblebee.
RMBKJ9P5–cuckoo bee emerging from the hole of the hairy footed flower bee, anthophora plumipes, after laying eggs.
RMBRFN72–Cuckoo Bee (Sphecodes albilabris)
RFJ56XPP–Leaf Cutter Cuckoo Bee
RM2D6WPED–Flavour nomad bee - a cuckoo bee that lays its eggs in other solitary bee's nests. Kent. UK
RMEBP06B–Cuckoo bumblebee, Cuckoo Bee (Bombus rupestris, Psithyrus rupestris), on a leaf, Germany
RF2CAH500–A Nomad/Cuckoo bee (Nomada sp.)
RMBBH2EN–Cuckoo Bee Nomada flava at rest on a leaf
RM2K5C51P–Cuckoo Bee, Tribe Epeolini, foraging on Maximilian sunflower, Helianthus maximiliani
RF2F4HTPX–Australian native Thyreus nitidulus Neon Cuckoo bee/blue and black striped bee lookig for nectar
RMW80231–Cuckoo bee (Nomada leucophthalma) about to enter the nest burrow of Miner Bee (Andrena clarkella). The cuckoo bee is cleptoparasitic, laying its eggs in nests of other bees in order that their parasitic larvae can feed on the food originally intentended for the host larvae. Peak District National Park, Derbyshire, UK. April.
RF2NPE6YT–Vestal Cuckoo Bee, Bombus vestalis, queen, drinking nectar or chive. This is the social parasite of Buff-tailed Bumblebee
RMTC8XH1–Bohemian Bumblebee, Bombus bohemicus. A white-tailed cuckoo bee with gold bands. Queen is15â. “20mm in length. B bohemicus lacks pollen baskets on
RMD04XC6–A Southern Cuckoo Bee, Bombus vestalis, feeding on Chives in a South Yorkshire Garden.
RMDKR61J–Female solitary Cuckoo bee Sphecodes ephippius working to fill in a nest burrow of a host be she has raided. Powys, Wales. June.