Round-winged Muslin Moth vs Small Ballast Caddisfly

Side-by-side species comparison

Attribute Round-winged Muslin Moth Small Ballast Caddisfly
Scientific Name Thumatha senex Silo pallipes
Order Lepidoptera Trichoptera
Family Erebidae Goeridae
Size 18-24 mm wingspan 7-10 mm
Habitat Wetlands Rivers & Streams
Diet Omnivores Omnivores
Regions Europe, Western Asia Europe
Conservation Least Concern Least Concern

Round-winged Muslin Moth

A tiny moth with rounded translucent whitish wings marked with faint grey spots. It is among the smallest of the footman moths in Europe.

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Did You Know?

Its translucent wings are so thin that text can be read through them.

Small Ballast Caddisfly

A small caddisfly that cements large pebbles to its mineral case for ballast in fast water. Found exclusively in clean calcareous streams.

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Did You Know?

Larvae select ballast stones of remarkably uniform size relative to their body mass.