Chilo polychrysus

{{Short description|Species of moth}}

{{Speciesbox

| image = Chilo_polychrysus_female.jpg

| image_caption = Female

| image2 = Chilo polychrysus male.jpg

| image2_caption = Male

| taxon = Chilo polychrysus

| authority = (Meyrick, 1932)

| synonyms =

• Diatraea polychrysus Meyrick, 1932
• Chilo polycgrysus Hua, 2005

}}

Chilo polychrysus, the dark-headed striped borer, is a moth in the family Crambidae. It was described by Edward Meyrick in 1932.{{cite web |url=http://globiz.pyraloidea.org/Pages/Reports/TaxonReport.aspx |title=GlobIZ search |website=Global Information System on Pyraloidea |accessdate=2014-07-15 }} It is found in India, Malaysia, Thailand, Laos, Vietnam and Indonesia.

The wingspan is 16–25 mm. The wings are yellow brown with small dark spots.[http://www.padil.gov.au/pests-and-diseases/pest/main/142274/42994 PaDIL]

The larvae feed on Cyperaceae and Poaceae species, as well as Oryza sativa, Saccharum officinarum, Triticum species and Zea mays. They bore the stems of their host plant.[http://www.plantwise.org/KnowledgeBank/Datasheet.aspx?dsid=44561 Plantwise Technical Factsheet]