1895 D. Sharp in V. 164 The pronymphal state may be looked upon as being to a great extent a return of the animal to the condition of an egg.
1949 C. Longfield (ed. 2) 30 The pro-nymphal cuticle is retained until the nymph has wriggled itself into the water.
2002 471 In many hemimetabolous insects, such as cockroaches, lice, and true bugs.., the pronymphal cuticle is shed during hatching and the insect emerges from the shell as a first stage nymph.