Orocrambus angustipennis

{{Short description|Species of moth}}

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

{{Speciesbox

| image = Orocrambus angustipennis male.jpg

| image_caption = Male

| image2 = Orocrambus angustipennis female.jpg

| image2_caption = Female

| genus = Orocrambus

| species = angustipennis

| authority = (Zeller, 1877){{cite web|title=Orocrambus angustipennis (Zeller, 1877)|url=http://www.nzor.org.nz/names/1c396bee-4d82-4a92-be07-a01b9f195b57|website=www.nzor.org.nz|publisher=Landcare Research New Zealand Ltd|accessdate=20 January 2018}}

| synonyms =

{{Specieslist

|Chilo angustipennis|Zeller, 1877

| Crambus angustipennis|(Zeller, 1877)

}}

|synonyms_ref=

| display_parents = 3

}}

Orocrambus angustipennis is a species of moth in the Crambinae family.{{Cite Q|Q45922947|page=457}} It is endemic to New Zealand.{{Cite Q|Q45083134|pages=146}} O. angustipennis is present in the North Island, South Island and the Chatham Islands.

The wingspan is 34–40 mm for males and 44–50 mm for females. Adults are on wing from November to March in two generations per year.{{cite journal|last1=Gaskin|first1=D. E.|title=Revision of the New Zealand Crambini|journal=New Zealand Journal of Zoology|date=1975|volume=2|issue=3|page=303|url=https://books.google.com/books?id=GlLrdT9Nz4kC&pg=PA303|accessdate=21 January 2017|publisher=The Royal Society of New Zealand|doi=10.1080/03014223.1975.9517878|language=en|url-access=subscription}}

The larvae feed on Cortaderia, including Cortaderia selloana and Cortaderia toetoe. They feed within growing stems and blades.{{Cite Q|Q113345596}}