In Québec, the genus Oecetis (family Leptoceridae) counts 3 species of insects. The stars? Inconspicuous Long-horned Caddisfly, Ashy Long-horned Caddisfly and Rusty long-horned caddisfly, the most often observed. The richest region: Estrie, with 2 species. Every species has its own page: photos, its season, its habitat and the best places to see it near you.