Andrena chlorogaster Viereck (Andrenidae) biting with the mandibles and scraping with the forelegs A foreleg extended and B foreleg scraping towards the body. Note that the bee is also scraping the pollen from anthers by biting with the mandibles.

  Part of: Portman ZM, Orr MC, Griswold T (2019) A review and updated classification of pollen gathering behavior in bees (Hymenoptera, Apoidea). Journal of Hymenoptera Research 71: 171-208.