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Nepticulidae (subclass Pterygota, order Lepidoptera) Family of minute, primitive moths, with a wing-span sometimes less than 5 mm. Adults are metallic in colour or drab, and have much reduced wing venation, and a short proboscis. The antennal scape is expanded into a prominent ‘eye-cap’. The larvae are generally leaf-miners with legs and prolegs hardly visible. Pupation occurs in a cocoon, usually in the soil. The family has a global distribution.