Copper underwing (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Copper underwing" in English language version.

refsWebsite

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butterfly-conservation.org

Martin C. Townsend, Jon Clifton and Brian Goodey (2010). British and Irish Moths: An Illustrated Guide to Selected Difficult Species Archived 2021-10-24 at the Wayback Machine. (covering the use of genitalia characters and other features) Butterfly Conservation.

Savela, Markku (28 July 2019). "Amphipyra pyramidea (Linnaeus, 1758)". Lepidoptera and Some Other Life Forms. Retrieved 23 October 2019.

Robinson, Gaden S.; Ackery, Phillip R.; Kitching, Ian J.; Beccaloni, George W.; Hernández, Luis M. (2010). "Search the database - introduction and help". HOSTS - A Database of the World's Lepidopteran Hostplants. Natural History Museum, London.

Fauna Europaea
Martin C. Townsend, Jon Clifton and Brian Goodey (2010). British and Irish Moths: An Illustrated Guide to Selected Difficult Species Archived 2021-10-24 at the Wayback Machine. (covering the use of genitalia characters and other features) Butterfly Conservation.