''Jana yokoana'' 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 w ...

in the family

Eupterotidae Eupterotidae is a family of insects in the order Lepidoptera with more than 300 described species. Diversity The family consists of four subfamilies and the unplaced ''Ganissa group''. The subfamily Eupterotinae consists of about 11 genera, the ...

. It was described by George Thomas Bethune-Baker in 1927. It is found in

Cameroon Cameroon (; french: Cameroun, ff, Kamerun), officially the Republic of Cameroon (french: République du Cameroun, links=no), is a country in west-central Africa. It is bordered by Nigeria to the west and north; Chad to the northeast; the C ...

. The

wingspan The wingspan (or just span) of a bird or an airplane is the distance from one wingtip to the other wingtip. For example, the Boeing 777–200 has a wingspan of , and a wandering albatross (''Diomedea exulans'') caught in 1965 had a wingspan of ...

is about 118 mm. Both wings are brown, with a slight cinnamon tinge, the forewings with a median and a postmedian, dark brown transverse narrow stripe, slightly concave and almost parallel to each other. There are also traces of a clouding in the submarginal area. The hindwings are paler than the forewings, with a broad median and postmedian waved and irregular dark band right across the wing from the costa to the inner margin.Bethune-Baker, G. T. 1927. Descriptions of new Heterocera from Africa and the East. - ''Annals and Magazine of Natural History'' (9)20:321–334
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References

Moths described in 1927 Janinae {{Bombycoidea-stub