Dear Matt Can flies fly upside down? If not, how do they land on ceilings? — Fly by Night, San Diego
An upside-down fly has the aerial capabilities of a rock. Instead of flipping himself over, Musca domestica, the common housefly, assumes an attitude similar to Mighty Mouse — front legs raised and extended high in front of him. He basically crashes feet first into the ceiling, sticks there, then rolls his back legs under and affixes them to the ceiling too, out of reach of the average fly swatter. He hopes.