Muslin Moth vs Snail-killing Fly Beetle

Side-by-side species comparison

Attribute Muslin Moth Snail-killing Fly Beetle
Scientific Name Diaphora mendica Drilus flavescens
Order Lepidoptera Coleoptera
Family Erebidae Drilidae
Size 30-38 mm wingspan 7-15mm
Habitat Underground Underground
Diet Herbivores Predators
Regions Europe, Western Asia Europe
Conservation Least Concern Least Concern

Muslin Moth

A sexually dimorphic moth where males are dark smoky grey and females are pure white with black spots. The contrast between sexes is striking.

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Did You Know?

Males and females look so different they were once classified as separate species.

Snail-killing Fly Beetle

A brown beetle with soft elytra where males are winged but females are larviform and never develop wings. It specializes in hunting snails.

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Did You Know?

The larva enters a snails shell and slowly consumes it alive over several days before pupating inside the empty shell.