This is a wasp-like cuckoo-bee which has a black and yellow striped abdomen with reddish markings at the front, a reddish striped thorax, and red legs and antennae. Size 12mm.
Nomada flava is a cleptoparisitic bee of mining bees, where the female lays its eggs so the hatching larva will develop there, killing the host larva.
Seen April to May, and found in a variety of flower-rich habitats, including meadows, hedgerows, verges and gardens. Common and widespread in England and Wales.
May 2012, rear garden, Staffordshire. Nikon Coolpix P500. © Pete Hillman 2012.