Examples of hymenopterans. A. Digger wasp, Sphex pensylvanicus feeding on the nectar of a fennel flower. B. Large carder bee, Bombus muscorum using its long proboscis to drink nectar. C. Large rose sawfly, Arge pagana. D. German yellowjacket, Vespula germanica.

Types of flying insect with corresponding letters

Courtesy of Chris T. McAllister