''Phostria euryleucalis'' is a species of

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 1918. It is found in Peru.

Description

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 42 mm. The forewings are dark brown with a cupreous gloss and

hyaline A hyaline substance is one with a glassy appearance. The word is derived from , and . Histopathology Hyaline cartilage is named after its glassy appearance on fresh gross pathology. On light microscopy of H&E stained slides, the extracellula ...

(glass-like) stripes in and below the cell, as well as a spot above the base of vein 2, which is slightly irrorated (speckled) with brown. There is a broad oblique white band from below the costa beyond the middle to above the tornus. The hindwings are hyaline, the veins streaked with dark brown. There is a rather narrow dark brown terminal band with a cupreous gloss, narrowing to a point at the tornus.

References

Phostria Moths described in 1918 Moths of South America {{Phostria-stub