Hook 0 or 00.
Wings.—Hackled with an olive green feather from a Green Plover’s neck.
Body.—Grey silk, No. 9a, well waxed, or ash-coloured silk, No. 10, but in both cases dubbed sparingly with bluey-grey Heron herl.
Head.—Magpie herl.
Middle of May to end of June.
No. 21.
Knotted Midge.
Diptera (Gnat).
Hook 0 or 00.
Wings.—Hackled down the body “palmerwise” with a small black Cock’s hackle.