**Caddisfly Genus Oecetis (Long Horn Sedges)**

Mayflies

Caddisflies

Stoneflies

Taxonomic Navigation -?-

Kingdom Animalia (Animals)

» Phylum Arthropoda (Arthropods)

» Class Insecta (Insects)

» Order Trichoptera (Caddisflies)

» Family Leptoceridae

» Genus Oecetis (Long Horn Sedges)

Species in Oecetis
Oecetis avaraTan Spotted-Wing Long-Horned Sedge	1	1
Oecetis disjunctaLong Horn Sedge	0	0
Oecetis inconspicuaPlain Red-Brown Long-Horned Sedge	0	0
Oecetis ochraceaLong Horn Sedge	0	0

18 species aren't included.

Common Name

Match	Common Name
	Long Horn Sedges

Pictures Below ↓

Trout may feed selectively on caddisflies of this widespread genus. Their lengthy antennae give them the common name Long-Horned Sedge, although that's also a good description of the rest of the Leptoceridae family.

Where & When

Regions: East, Midwest, West

Time Of Year (?): Generally spread out, with various species-specific peaks

Larva & Pupa Biology

In Caddisflies, Gary LaFontaine recommends using imitations of Oecetis larvae as searching patterns (Searching pattern: Any artificial fly pattern used when trout that aren't feeding selectively on anything in particular. A searching pattern may be an attractor or an imitation of something specific that the fish might favor even though it's not currently hatching.) in May, June, and July on streams where they are abundant.

Pictures of 2 Caddisfly Specimens in the Genus Oecetis:

Oecetis (Long Horn Sedges) Caddisfly Nymph

View 1 Pictures

Collected September 7, 2005 from the Flathead River-lower in Montana
Added to Troutnut.com by Bnewell on June 30, 2011

Oecetis avara (Tan Spotted-Wing Long-Horned Sedge) Caddisfly Adult

View 1 Pictures

Collected July 10, 2005 from the Flathead River-lower in Montana
Added to Troutnut.com by Bnewell on June 30, 2011

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Jargon Defined:

Larvae: Many classes of aquatic insects, such as caddisflies, midges, craneflies, dobsonflies, alderflies, and many more, are known as "larvae" rather than "nymphs" in their juvenile stages. They have mostly soft bodies rather than hard exoskeletons. These insects also advance through a "pupa" stage before reaching adulthood.

Searching patterns: Any artificial fly pattern used when trout that aren't feeding selectively on anything in particular. A searching pattern may be an attractor or an imitation of something specific that the fish might favor even though it's not currently hatching.

Useful References:

LaFontaine, Gary. 1981. Caddisflies. The Lyons Press.

Swisher, Doug and Carl Richards. 2000. Selective Trout. The Lyons Press.