prothetely

prothetely (noun; Greek pro, before; theein, to run; telos, completion): 1. (Arthropoda) A neotenous adult arthropod having undergone less than the normal number of molts

See also: metathetely, hysterotely. 2. (Arthropoda: Insecta) Resulting in two pairs of fully developed wings in essentially larval (nymphal) or pupal in somatic differentiation.