most months

FLY (common name)	WATER	TIME OF DAY
Small Red Sedge	Still or slow	Late day
Small Yellow Sedge	Running	Evening
Yellow Sally Stonefly	All types	Day
Small Brown Stonefly	Slow rivers	Day
Black Gnat	Terrestrial	Day
Reed Smut	Running	Day
Blagdon Green Midge	Still	Day
Freshwater Louse	Still	Day
Freshwater Shrimp	Still & river	Day
LeechesStill Day Corixa	Still	Day

FLY (common name)	WATER	TIME OF DAY
Yellow May Dun	Rivers & lakes	Day
Medium Olive Dun	Running	Day
Pale Watery Dun	Running	Day
Iron Blue Dun	Running	Day
Small Spurwing	Rivers & lakes	Day
Pond Olive Dun	Still	Day
Lake Olive Dun	Still	Day
Pale Evening Dun	Slow rivers	Evening
Mottled Sedge	Still	Late day
Cinnamon Sedge	All types	Late day
Medium Sedge	All types	Late day
Sandfly	Rivers	Late day