''Sphalerostola caustogramma'' 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

Xyloryctidae Xyloryctidae is a family of moths contained within the superfamily Gelechioidea described by Edward Meyrick in 1890. Most genera are found in the Indo-Australian region. While many of these moths are tiny, some members of the family grow to a wing ...

. It was described by

Edward Meyrick Edward Meyrick (25 November 1854 – 31 March 1938) was an English schoolmaster and amateur entomologist. He was an expert on microlepidoptera and some consider him one of the founders of modern microlepidoptera systematics. Life and work Ed ...

in 1927. It is found on New Ireland in

Papua New Guinea Papua New Guinea, officially the Independent State of Papua New Guinea, is an island country in Oceania that comprises the eastern half of the island of New Guinea and offshore islands in Melanesia, a region of the southwestern Pacific Ocean n ...

. 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 16–17 mm. The forewings are white with some brown sprinkles towards the base of the costa and a rather broad dorsal streak of grey suffusion sprinkled with dark brown from the base to near the tornus. There is an irregular thick very dark brown streak suffused with whitish ochreous beneath the cell from near the base to the angle and a triangular patch of pale grey suffusion streaked with dark brown sprinkles on the veins from the end of the cell to the whole of the termen, but leaving the terminal edge white with a series of dark brown dots. The hindwings are rather dark grey.''Exotic Microlepidoptera''. 3 (12): 366.

References

Xyloryctidae Moths described in 1927 Taxa named by Edward Meyrick {{Xyloryctidae-stub