First time I have seen this and photographed, two Bumblebees (Bombus) mating at Alleyn-et-Cawood, Québec, Canada.
Panasonic DMC-ZS30 • ƒ/3.3 4.3 mm 1/320 100 Flash (off, did not fire)
Panasonic DMC-ZS30 • ƒ/3.3 4.3 mm 1/320 100 Flash (off, did not fire)