:Hyposmocoma bilineata

{{Short description|Species of moth}}

{{Speciesbox

| image = Hyposmocoma_species12.JPG

| image_caption = Illustrations in Fauna Hawaiiensis
15. Hyposmocoma subflavidella
16. Hyposmocoma auroargentea
17. Hyposmocoma illuminata
18. Hyposmocoma auripennis
19. Hyposmocoma rhabdophora
20. Hyposmocoma costimaculata
21. Hyposmocoma virgata
22. Hyposmocoma bilineata
23. Hyposmocoma haleakalae
24. Hyposmocoma lucifer
25. Hyposmocoma evanescens
26. Hyposmocoma ferricolor
27. Hyposmocoma impunctata
28. Hyposmocoma straminella

| taxon = Hyposmocoma bilineata

| authority = Walsingham, 1907

| synonyms =

}}

Hyposmocoma bilineata is a species of moth of the family Cosmopterigidae. It was first described by Lord Walsingham in 1907. It is endemic to the Hawaiian island of Oahu. The type locality is the Waianae Range, where it was collected at an elevation between {{convert|2000|and|3000|ft|m}}.