Buzzers are an essential fly if you're fishing for trout. A staple part of the trout diet, these can be fished all year round

These Tiny buzzers/ midges/ Chironomid flies inhabit lakes and slow-flowing rivers. They appear in vast swarms on most still-waters.

A very slow figure-of-eight retrieve is normally best;

Can be fished with a sight indicator or large dry fly; which helps when exploring different depths.