Bizarre Caddisflies

Lepidostomatidae

Classification

Phylum: Arthropoda
Subphylum: Hexapoda
Class: Insecta
Order: Trichoptera
Suborder: Integripalpia
Infraorder: Plenitentoria
Superfamily: Phryganeoidea
Family: Lepidostomatidae

Pronunciation

How to pronounce Lepidostomatidae: //lɛpɪˌdɒstəˈmætɪdiː//

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Images

Summary

Lepidostomatidae, commonly known as the Bizarre Caddisflies, is a family of caddisflies characterized by their unique larvae that construct square or circular shaped cases often resembling log cabins. This family contains about 77 species across 2 genera, primarily found in the Nearctic bioregion, and is primarily associated with freshwaters.

Physical Characteristics

Larvae have a lateral hump on the first abdominal segment, and their antennae are situated close to the anterior edge of the eye. The larvae constructs cases that are mostly square shaped or circular, made of leaf pieces, leaf stems, or sand grains.

Identification Tips

Look for larvae that construct log cabin or chimney-shaped cases typically made from organic material.

Habitat

Larvae are typically found in springs, streams, and large slow-moving rivers, as well as near lake beds.

Distribution

Lepidostomatidae is primarily distributed in the Northern Hemisphere, with some species extending south to Panama and New Guinea.

Diet

Larvae feed on detritus, primarily decomposing plant matter.

Ecosystem Role

Larvae play a role in aquatic ecosystems by breaking down organic materials and contributing to nutrient cycling.

Evolution

Lepidostomatidae was first described by Georg Ulmer in 1903. The name derives from Greek terms meaning "scale" and "mouth."

Misconceptions

The term 'Log-cabin Caddisflies' is sometimes mistakenly applied to other families, particularly Brachycentridae.