Latin Fly Name Match

Baetis Atrebatinus - Small Dark Olives

Baetis Niger, Mutis - Iron Blue Duns

Widespread on medium to fast flowing water.

Baetis Rhodani - Large Dark Olives

One of the first olives to appear.

Baetis Tenax - Medium Olives

Usually found earlier in the season

Bibio Johannis - Black Gnat

Seen in swarms close to the ground and water.

Biblio Marci - Hawthorn Fly

A terrestrial insect found near hawthorn bushes in May.

Baetis fuscatus - Pale Watery Duns

Chronomidae - Chironomus spp

Midges

Cloeon Simile - Lake Olive Spinners

Emphera Ignita - Blue Winged Olive

May to September

Ephemera Danica / Vulgata / Lineata

Mayfly

Ephemerella Notata - Yellow Evening Duns

Gammarus Pulex - Freshwater Shrimp

Freshwater Shrimp

Leptophlebia Vespertina - Claret Dun

Sluggish rivers and bog bays of lakes / loughs

Odonata - Damselflies & Dragonflies

Damselflies & Dragonflies

Perla Bipunctata, Dinocras Cephalotes - Stoneflies

Stoneflies

Phryganea Grandis / Phryganea Striata - Great Red Sedge

Great Red Sedge

Rithrogena Germanica - The March Brown

Emerging in March & April on fast stony rivers.

Rithrogena Semicolorata - Olive Uprights

Sedges

Sialis Lutaroa / Sialis Fuliginosa - Alderfly

Alderfly

Tipulidae Oleracea - Craneflies (Daddy Longlegs)

Daddy Longlegs / Craneflies