Flymph PMD
McGee's Flymph PMD

         Flymphs

  • term ‘flymph’ describes the transitional hatching stage between nymph (or pupa) and dun or adult insect
  • introduced (1941-1979) by Hidy and Leisenring – influenced by Skues, called “the American Skues”
  • fished throughout water column with movement e.g. the ‘Leisenring lift’
  • shaggy body materials trap gas bubbles – may mimic gas bubbles trapped beneath exoskeleton of pupa and nymph that facilitate ascent and eclosion.
  • Patterns