''Imma halonitis'' 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

Immidae Immoidea is a superfamily of pantropical moths containing only the family Immidae comprising ten genera with around 250 species, over half of them in the genus ''Imma''. Many are brightly coloured and diurnal. The position of this group is curr ...

. It was described by

Edward Meyrick Edward Meyrick (25 November 1854, in Ramsbury – 31 March 1938, at Thornhanger, Marlborough) was an English schoolmaster and amateur entomologist. He was an expert on microlepidoptera and some consider him one of the founders of modern micr ...

in 1920. It is found in

Chennai Chennai (, ), formerly known as Madras ( the official name until 1996), is the capital city of Tamil Nadu, the southernmost Indian state. The largest city of the state in area and population, Chennai is located on the Coromandel Coast of th ...

, India. 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 19 mm. The forewings are dark violet grey with a short fine yellow-ochreous dash beneath the costa near the base, with scattered scales indicating a posterior prolongation. A small cloudy whitish-ochreous spot is found on the costa beyond the middle and cloudy whitish-ochreous dots represent the discal stigmata, lying on the margin of a large roundish patch of whitish-ochreous suffusion extending on the dorsum from one-fourth to two-thirds and reaching three-fourths of the way across the wing, posteriorly extended by vague streaks on the veins to the termen. There is a pale ochreous streak around the apical margin, thickest in the middle and attenuated to the extremities, leaving the extreme edge dark grey, and emitting a faint almost marginal line along the termen, the terminal edge obscurely blackish dotted. The hindwings are dark fuscous.Meyrick, Edward (1916–1923)
''Exotic Microlepidoptera''. 2 (11): 337.

References

Moths described in 1920 Immidae Moths of Asia {{Immidae-stub