Pathogenesis 1. Hookworm larvae dermatitis Penetration of the skin by the filariform larvae may be asymptomatic in previously uninfected individuals However, those experiencing repeated infections develop itching, known as ground itch"or"dew itchPathogenesis 1. Hookworm larvae dermatitis: Penetration of the skin by the filariform larvae may be asymptomatic in previously uninfected individuals. However, those experiencing repeated infections develop itching, known as "ground itch" or "dew itch