These North East regional waterproof 4"x7" pocketcards, are the perfect solution when you are on the river or lake and need to know what the fish are feeding on.  The two-sided card includes the insects (caddiisflies, mayflies, stoneflies, and terrestrials such as grasshoppers, ants, midges and alderflies), the scientific name of the insect, hook size, month span of insect emergence and the respective fly pattern.