''Exguiana postflavida'' is a species of snout moth in the genus ''

Exguiana ''Exguiana'' is a genus of snout moths in the subfamily Phycitinae. It was described by Herbert H. Neunzig and Maria Alma Solis Maria Alma Solis is a entomologist at the Systematic Entomology Laboratory (SEL) of the Agricultural Research Se ...

''. 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 1923, and is known from French Guiana.

References

Moths described in 1923 Phycitini Moths of South America {{Euzophera-stub