''Phostria leucophasma'' is a species of

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 Crambidae. It was described by

Harrison Gray Dyar Jr. Harrison Gray Dyar Jr. (February 14, 1866 – January 21, 1929) was an American entomologist. Dyar's Law, a pattern of geometric progression in the growth of insect parts, is named after him. He was also noted for eccentric pursuits which includ ...

in 1912. It is found in Mexico and Peru.

Description

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 30 mm. The wings are tan brown, with white sub

hyaline A hyaline substance is one with a glassy appearance. The word is derived from el, ὑάλινος, translit=hyálinos, lit=transparent, and el, ὕαλος, translit=hýalos, lit=crystal, glass, label=none. Histopathology Hyaline cartilage is ...

spaces. There is a speck near the base of the cell and a larger one below, as well as a round spot in the end of the cell, a pyriform (

pear Pears are fruits produced and consumed around the world, growing on a tree and harvested in the Northern Hemisphere in late summer into October. The pear tree and shrub are a species of genus ''Pyrus'' , in the family Rosaceae, bearing the p ...

-shaped) one below it from which extend five spots to the costa, the three below small and dislocated by a blackish cloud, the two upper larger, quadrate and fused. The hindwings have two spots touching at their angles, the one on the inner margin running into the cell, the discal one farther out and running upward toward the costa.Descriptions of new species and genera of Lepidoptera, chiefly from Mexico

References

Phostria Moths described in 1912 Moths of Central America Moths of South America {{Phostria-stub