Osmia sp. (Megachilidae) performing rasping behavior on Penstemon (Plantaginaceae). The bee repeatedly jerks the whole body in and out to rasp the anthers, and then uses the midleg to scrape pollen from the dorsum of the thorax upon exiting the flower.

  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. https://doi.org/10.3897/jhr.71.32671