ALS Guide to Mothing

Butterflies and Moths (Dutch site in English)

Butterflies & Moths of Europe (Italian site in English)

Butterfly Conservation

Caterpillar Hostplant Database (NHM)

The Cockayne collection - Identification Images (Moths)

Larvae of North-European Lepidoptera

Microlepidoptera of Finland

Moths Count   - National Macro-moth Recording Scheme

Moth Shots - excellent photographs

Saturniidae of the Western Palaearctic

Sphingidae of the Western Palaearctic

UK Butterflies

UK Moths - largest UK moth ID site

UK Leps