in zoology, a genus of insects belonging to the order of aptera. It has eight feet, besides two frontal claws; the eyes are eight in number, three on each side of the thorax, and two on the back; it has two claw-shaped palpi, a long jointed tail, with a pointed weapon at the extremity; it has likewise two combs situated between the breast and abdomen. There are six species, all natives of southern climates.

in astronomy. See Astronomy, p. 487.