Adult tapeworm lives in intestine of bass, the primary host. Segments of tapeworm pass into water with body wastes of bass. Each segment contains hundreds of eggs. Life history of Yellow Grub parasite 1. Snail, first intermediate host.
Larval grub makes several changes of form while in snail.
Fish, second intermediate host. Grubs encysted under skin. Fish-eating bird, primary host. Adult grub lives in mouth and throat. Mature egg 6.