are no see ums fleas?
Sand fleas or no-see-ums. ... For example, this crustacean (although it resembles an insect, the sand flea is actually not one) is also called a sand fly, beach flea, hop-a-long, no-see-um, biting midge, and punkie or punky. The sand flea is less than 1/8 of an inch (3 mm) long and is often difficult to see.