
Little Marryat
Pale straw dubbing, a light ginger hackle and palest starling wings, tied small — Marryat's answer to the pale watery duns, and one of the founding patterns of the dry-fly canon. Everything about it is understated on purpose: the naturals are small, pale and almost translucent, and any fly tied darker or heavier is refused by fish that have all afternoon to look.
Summer afternoons on clear water when small pale duns are coming off and the rises are quiet and deliberate. Fine tippet, long leader, and the fly upstream of the fish rather than on top of it.
It is an exact imitation in the Halford sense — size, colour and posture matched to one insect rather than suggesting several. On smooth water in bright light that specificity is what gets it taken, and it is also why it stops working the moment the hatch changes.