''Coelorhyncidia trifidalis'' is a

moth Moths are a group of insects that includes all members of the order Lepidoptera that are not Butterfly, butterflies. They were previously classified as suborder Heterocera, but the group is Paraphyly, paraphyletic with respect to butterflies (s ...

in the family

Crambidae Crambidae comprises the grass moth family of lepidopterans. They are variable in appearance, with the nominal subfamily Crambinae (grass moths) taking up closely folded postures on grass stems where they are inconspicuous, while other subfamilies ...

. It was described by

George Hampson Sir George Francis Hampson, 10th Baronet (14 January 1860 – 15 October 1936) was an English entomologist. Hampson studied at Charterhouse School and Exeter College, Oxford. He travelled to India to become a tea-planter in the Nilgiri Hills ...

in 1897. It is found on

Ambon Island Ambon Island is part of the Maluku Islands of Indonesia. The island has an area of and is mountainous, well watered, and fertile. Ambon Island consists of two territories: the city of Ambon, Maluku, Ambon to the south, and three districts (''k ...

in Indonesia. The

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

is about 18 mm. The forewings are fuscous with a slight purple gloss and with a whitish antemedial line, a speck in the cell and a discoidal quadrate white spot. There are white spots in and at the end of the cell of the hindwings, as well as a white line from below the end of the cell to the inner margin and a postmedial white spot.''Transactions of the Entomological Society of London'' 1897: 205

References

Spilomelinae Moths described in 1897 Taxa named by George Hampson Moths of Indonesia Fauna of the Maluku Islands {{Spilomelinae-stub