''Apona ronaldi'' 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

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 George Thomas Bethune-Baker (20 July 1857, in Birmingham – 1 December 1944, in Eastbourne) was an English entomologist who specialised in Lepidoptera, especially those in the family Lycaenidae of butterflies. His collection is partly in the ...

in 1927. It is found in China. 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 ...

is about 90 mm. Both wings are greyish brown, the forewings with a restricted darker basal area, ending obliquely and abruptly. There is a dark triangular spot at the end of the cell and a pair of fine, curved, parallel, dark median lines, which are carried through the hindwings. There is also a pair of waved similar postmedian lines with a pale interspace. From this point, the veins are darkly outlined and there is a good deal of dark suffusion. The hindwings also have a postmedian curved and waved dark line.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 Eupterotinae {{Bombycoidea-stub