Coleophora albicosta

{{Short description|Species of moth}}

{{Speciesbox

| image = Coleophora albicosta, Fenn's Moss, North Wales, April 2011 (19463846352).jpg

| image_caption = Coleophora albicosta, Fenn's Moss, North Wales

| image2 = Coleophora albicosta.JPG

| image2_caption =

| taxon = Coleophora albicosta

| authority = (Haworth, 1828)

| synonyms =

• Porrectaria albicosta Haworth, 1828
• Coleophora fraudulentella Toll, 1944

}}

The testaceous white-back (Coleophora albicosta) is a moth of the family Coleophoridae. It is found in most of western Europe.

The wingspan is about 14 mm. Head pale ochreous, sides whitish. Antennae white, ringed with fuscous, basal joint ochreous-tinged, with rough spreading scales. Forewings light ochreous-yellowish, sprinkled with light fuscous, especially towards costa; a white costal streak from base to near apex; a white line in disc from before middle to termen, one along fold, and one along dorsum to apex. Hindwings grey.Meyrick, E., 1895 A Handbook of British Lepidoptera MacMillan, London [https://archive.org/details/handbookofbritis00meyr/page/n7 pdf] {{PD-notice}} Keys and descriptionEmmet A.M., Langmaid J.R., Bland K.P., Corley M.G.V. & Razowski J, Coleophoridae in A. Maitland Emmet ed., 1996 The Moths and Butterflies of Great Britain and Ireland Volume 3 (Yponomeutidae to Elachistidae)

Adults are on wing from June to July.