eristalis tenax hover fly perched on a blue flower, with its striped body and transparent wings visible

eristalis tenax fake bee mimic pollen grains entomology plant macro hoverfly drone fly diptera flora nature closeup insects syrphidae yellow insect flower large eyes wing animals pollinating pollinator summer syrphid hoverflies hover arthropoda flying bug arthropods flies foraging environmental conservation compound bugs garden invasive species environment