Mole Cricket ( Gryllotalpidae ) : A family of insects related to crickets and grasshoppers. In this family the nymphs and adults are adapted for digging. There are three major developmental phases: egg-nymph-adult. There is no pupal phase. The nymphs molt six to eight times during their growth. Some of the genera included are Gryllotalpa, Neocurtilla, and Scapteriscus.