Cnaphalocrocis exigua
{{Short description|Species of moth}}
{{Use dmy dates|date=July 2024}}
{{Speciesbox
| image =
| image_caption =
| taxon = Cnaphalocrocis exigua
| authority = (Butler, 1879)
| synonyms =
- Samea exigua Butler, 1879
- Marasmia exigua
}}
Cnaphalocrocis exigua is a moth in the family Crambidae. It was described by Arthur Gardiner Butler in 1879. It is found in Japan,{{cite web |url=http://globiz.pyraloidea.org/Pages/Reports/TaxonReport.aspx |title=GlobIZ search |website=Global Information System on Pyraloidea |accessdate=15 July 2014}} China[http://www.boldsystems.org/index.php/Taxbrowser_Taxonpage?taxid=329233 BOLD Systems] and on Fiji.
The larvae feed on the leaves of Cynodon dactylon, Cyperus, Dactyloctenium aegyptium, Echinochloa colona, Echinochloa crus-galli, Imperata cylindrica, Leersia hexandra, Leptochloa chinensis, Oryza sativa, Panicum repens, Paspalum species (including Paspalum conjugatum, Paspalum distichum), Sorghum bicolor, Sporobolus, Urochloa mutica and Zea mays. They fold the leaves of their host plant, feeding inside.[http://www.plantwise.org/KnowledgeBank/Datasheet.aspx?dsid=32496 Plantwise Knowledge Bank]