Time-lapse MS of salmonflies molting on side of tree (shedding their outer, wingless shells, walking about on tree surface). MCU SA of freshly molted, winged salmonflies resting on side of tree. Time-lapse MS SA of winged salmonfly hanging upside down on small branch, out-of-focus moving water in background. Time-lapse MCU SA of salmonfly on side of tree in process of molting, unfortunately shot ends before shedding is complete. (42108)