Pollen on a miner bee. Miner bees (or chimney bees) are one of many familiar black and yellow summertime bees often mistaken for bumble bees. They are garden pollinators and serve an increasingly important role as honey bee populations decline.
Coloured scanning electron micrograph (SEM) of the head of a moth, showing one of its two large compound eyes (orange) and its long proboscis (coiled). Magnification: when printed wide. (This gives me the heebie jeebies!