Ontario Fly Fishing: Hatches Of Ontario

Here are some photos and descriptions of various species of insects in Ontario. If you have information or photos to add, please contact us!!



Plecoptera are an order of insects, commonly known as stoneflies. There are some 3,500 described species worldwide, with new species still being discovered. Stoneflies are found worldwide, except Antarctica.



Mayflies or shadflies are insects belonging to the order Ephemeroptera (from the Greek εφημερος, ephemeros = “short-lived” (literally “lasting a day” “daily” or “day-long”), πτερον, pteron = “wing”, referring to the brief lifespan of adults). They have been placed into an ancient group of insects termed the Palaeoptera, which also contains dragonflies and damselflies. They [...]

Nymph Imitiations in Fly Fishing


Under the surface of the water is an entirely different universe than above.  Down here is where much of the lives of important flies to fisherman begin. The  nymphs, or larva are considered to be an imitation of any aquatic insect in a stream or lake, or on its way to the surface to hatch [...]

Caddis Flies


One of the most abundant flies in Ontario is the Caddis fly. This fly goes through 3 basic stages in its life: Pupa, Larva and air borne fly. Caddis are very important to the fly fisher because they are a staple in nearly all species of fishes diets. Caddis Flies of Ontario Caddisflies or sedge-flies [...]