springtail
nounAny of numerous small wingless hexapods of the class Collembola, having the ability to jump by means of a forked appendage on the abdomen that acts as a spring.
nounA collembolous thysanurous insect which leaps or skips about by means of abdominal hairs acting like a spring, as any poduran.
nounA thysanurous insect of the suborder Cinura, oftener called
One of certain minute neuropterous insects of the panorpid genus Boreus, found in moss and on the surface of snow; a snow-fly. This insect springs, but not by means of anal appendages.
nounAny one of numerous species of small apterous insects belonging to the order Thysanura. They have two elastic caudal stylets which can be bent under the abdomen and then suddenly extended like a spring, thus enabling them to leap to a considerable distance. See
Any of various
any of numerous minute wingless primitive insects possessing a special abdominal appendage that allows the characteristic nearly perpetual springing pattern; found in soil rich in organic debris or on the surface of snow or water