''Catocala thomsoni'' is a

moth Moths are a paraphyletic group of insects that includes all members of the order Lepidoptera that are not butterflies, with moths making up the vast majority of the order. There are thought to be approximately 160,000 species of moth, many of ...

in the family Erebidae first described by A. E. Prout in 1924. It is found in northern China. Note: This source has ''Catocala thomsoni'' as a synonym of ''

Catocala deuteronympha ''Catocala deuteronympha'' is a moth of the family Erebidae. It is found from eastern Siberia to Japan and Korea Korea ( ko, 한국, or , ) is a peninsular region in East Asia. Since 1945, it has been divided at or near the 38th paralle ...

''.

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*Original description: thomsoni Moths described in 1924 Moths of Asia {{Catocalini-stub