Callibaetis spinners can lay their eggs and fall dead during the latter stages of a hatch of duns of the same species. Spinners can remain on the water long after the duns are gone. These spinners can greatly extend your dry fly fishing,
Organza is a thin, sheer fabric traditionally made from silk. Many modern organzas are woven with synthetic filament fibers such as polyester or nylon. These clear crinkled fibers are lightweight and when treated with floatant, will support the fly on the surface of calm water. The crinkles in the fibers give a sparkly effect just like real clear mayfly spinner wings. Organza fibers have become the most popular material for this application.