Round-winged Muslin Moth vs South American Giant Diving Beetle

Side-by-side species comparison

Attribute Round-winged Muslin Moth South American Giant Diving Beetle
Scientific Name Thumatha senex Megadytes ducalis
Order Lepidoptera Coleoptera
Family Erebidae Dytiscidae
Size 18-24 mm wingspan 35-45 mm
Habitat Wetlands Rivers & Streams
Diet Omnivores Omnivores
Regions Europe, Western Asia Brazil, Amazon Basin
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.

South American Giant Diving Beetle

One of the largest diving beetles in South America with a glossy dark olive body. It inhabits large rivers and lakes of the Amazon basin.

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Did You Know?

It is among the largest dytiscid beetles in the Western Hemisphere.