closeup on a female clarke's mining bee, andrena clarkella, sitting on willow, salix

arthropoda andrena clarkella andrenidae arthropod bee mining ecology hymenoptera insect magnification nature animal biology brown bug clarke closeup color image detail detailed entomology flower fluffy hairy horizontal invertebrate leaf macro male natural outdoor pollen pollination pollinator single solitary springtime wild wildlife female sitting wood willow salix clarke's