Please help my terminology.....please.
I have some questions I need answered to better my "flyfishyness"..its a word.
what does CDC mean?
what is a Trico hatch and what is used to imitate it?
what does ISO mean?
whats the difference between a nymph and a midge...the size?
is a parachute an emerger?.....is and emerger a nymph?