A brief note on the parasitism of the larva of Melinda itoi Kano, 1962 (Calliphoridae, Diptera) to a slug

Abstract

Two males of the parasitic calliphorid fly Melinda itoi Kano 1962 were obtained from the slug, Incilaria bilineata (Benson) in April, 1976. The slug was one of those which were collected on March 25,1976 in the cracks of the bark of an old Ume-tree (Prunus mume Sieb. et Zucc.) growing beside the brook of a hilly village (Ohyagi, Moroyama-cho, Saitama) and kept alive in our laboratory at 25℃ from that time on. The movement of the maggots in the slug body was recognized three days after collection. Two days after that, they came out of the slug and pupated on the bottom of the glass container. After 12 days (April 11), the adult flies appeared. So far as we know, this is the first case of the parasitic fly emerged from the slug in Japan.