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Midges, buzzers & duckfly — illustrationIllustration· After a photo by B. Schoenmakers (CC BY 3.0)

Midges, buzzers & duckfly

ImitativePeak: Mar–Sep

What it is

Non-biting midges (Chironomidae) are, by volume, the most important stillwater trout food there is — put at up to 70% of a stillwater trout's annual diet. The cycle runs egg, larva ("bloodworm"), pupa ("buzzer") and winged adult.

Life cycle

Egg

Laid on the water surface by the winged adult.

Larva (bloodworm)

Red from haemoglobin, living in bottom sediment, up to 25mm.

Pupa (buzzer)

A 10–14 day buoyant rise to the surface.

Adult

Winged; "buzzer" is the angler's name for the adult's audible wingbeat.

In Ireland

Duckfly is the Irish angling name for the large black chironomid (chiefly Chironomus species) that opens the lough season. The hatch builds from mid-to-late March and runs into April/May, and it is genuinely the first serious fly-fishing event of the year on the big limestone loughs — Corrib, Mask and Sheelin.

Two of the catalogue's named "Hopper" wet flies — Claret Hopper and Olive Hopper — belong here rather than with the terrestrials: in traditional Irish/UK stillwater tying, "Hopper" denotes a hackled buzzer-suggestive wet fly (the Bibio Hopper/Blagdon Hopper family), not a grasshopper imitation.

Flies that imitate this

Where it matters

Sources & how we know this (3)

Draft reference — pending review.