UK Terrestrial flies and other insects - match the hatch

UK Terrestrials & other insects Find the right pattern Terrestrials are an important food source for trout, making up approxcimately 60% of its diet. The terrestrials and insects below are often blown onto the water and gobbled up by our quarry. We've picked out some of our favourite imitations that you should never be without. Non biting midge Hatch months Mar Apr May Jun Jul Aug Sep Griffiths Gnat Size 18 The Griffiths gnat is a classic American dry pattern that consistently catches fish when other flies fail. Chironomiidae Sp. Very small, very common, very abundant in slow silty bottom rivers, hatch especially at dusk. Large stonefly Hatch months Mar Apr May Jun Jul Aug Sep Dinocras Cephalotes Turks Tarantula Size 10 Very large, usually found near fast flowing streams and rivers. A deadly fly designed to stimulate the fish's interest, imitating a wide range of terrestrial insects. Alderfly Hatch months Mar Apr May Jun Jul Aug Sep Sialis Medium sized, resembles a sedge. Very common on rivers and still water. Alder Fly Size 12 Adult Alder flies are an important food source for trout early in the season. They're poor flyers so often get blown onto the water. Black Gnat Hatch months Mar Apr May Jun Jul Aug Sep Bibio Johannis Black Gnat Size 16-18 Most common of the terrestrial wind-borne insects, often seen as dense clouds above water. This classic traditional winged fly pattern has proven itself time and time again with wild river trout. Hawthorn Fly Hatch months Mar Apr May Jun Jul Aug Sep Bibio Marci Hawthorne Size 12 Common terrestrial fly, long rear legs. regularly blown onto water. When hawthorne flies fall to the water's surface in spring make sure you carry at least a few of these perfect imitations. Crane Fly Hatch months Mar Apr May Jun Jul Aug Sep Tipula Sp Terrestrial fly common across UK in summer and autumn. Hatches from boggy ground and regularly gets blown in. CDC Daddy Size 10 The CDC daddy long legs pattern remains buoyant, sitting flush in the surface as if drowning. Red Ant Hatch months Mar Apr May Jun Jul Aug Sep Myrmica Rubra Most frequent in mid-summer. When a swarm gets blown on to the water, trout go mad for them so have an imitation handy. Red Ant Size 14 A useful fly to have handy for when ants start to fall mid to late summer. Heather Fly Hatch months Mar Apr May Jun Jul Aug Sep Bibio Pomonae Hatches July / August in upland areas, especially from heather. Bibio Hopper Size 12 Perfect for imitating various terrestrial insects, and especially the bibio. This is a great all-round dry fly Natural fly Imitation fly Mar Apr May Jun Jul Aug Sep Non Biting Midge Large Stonefly Griffiths Gnat Size 18 Turks Tarantula Size 10 Alderfly Alder Fly Size 12 Black Gnat Black Gnat Size 16-18 Hawthorn Fly Hawthorne Size 12 Crane Fly Cde Daddy Size 10 Red Ant Red Ant Size 14 Heather Fly Bibio Hopper Size 12 Fishtec For image credits and references visit: http://blog fishtec.co.uk/terrestrial-river-flies-infographic