Elachista exaula

{{Short description|Species of moth}}

{{Use New Zealand English|date=July 2024}}

{{Speciesbox

| image = Fig 3 MA I437908 TePapa Plate-XLVII-The-butterflies full (cropped).jpg

| image_caption =

| genus = Elachista

| species = exaula

| authority = Meyrick, 1889

| synonyms =

}}

Elachista exaula is a moth in the family Elachistidae.{{Cite Q|Q86984314}} It was described by Edward Meyrick in 1889. It is found in New Zealand.[http://www.nic.funet.fi/pub/sci/bio/life/insecta/lepidoptera/ditrysia/gelechioidea/elachistidae/elachistinae/elachista/ Elachista at funet]

The wingspan is 9–10 mm. The forewings are pale whitish-ochreous, irrorated with grey, more closely and suffusedly on the costa and more yellowish-tinged in the disc. There is a slender black median streak from near the base to before the middle and a black elongate dot in the disc above the middle, and a second, larger and more distinctly elongate, below it. There is also a slender black median streak from two-thirds to near the apex. The hindwings are grey.[http://rsnz.natlib.govt.nz/volume/rsnz_21/rsnz_21_00_001620.html Transactions and Proceedings of the Royal Society of New Zealand 1868-1961; Volume 21, 1888]