A Butterfly Guide to the butterflies of Europe, North Africa and the Middle East
Photographic identification directory of lepidoptera species, distribution maps, and field documentation.
Butterflies and Moths of North America
Public data access portal providing occurrence maps, identification guides, and taxonomy for Lepidoptera.
EuroButterflies
European butterfly ecology, distribution, and field identification resource.
Funet Lepidoptera
Detailed taxonomic checklist of the world"s butterflies and moths.
Lepidoptera Barcode of Life
Genomic reference database utilizing DNA barcodes for butterfly and moth identification.
Reserva de la Biosfera Mariposa Monarca Gobierno de México
Ficha oficial de la Secretaría de Medio Ambiente sobre el santuario natural declarado Patrimonio de la Humanidad.
The Lepidopterists" Society
International association advancing the scientific study and appreciation of butterflies and moths.