暗褐黃緣禾螟蛾(Cirrhochrista fuscusa)是草螟科(Crambidae)莎螟亞科(Schoenobiinae)kosemponialis種群的成員。本種的前翅為暗褐色底,前緣顏色為淡黃褐色,緣毛為橘色,外緣線與內線為銀灰色帶有金屬光澤,各脈於末端有橘色線條,中線為一Y字形銀灰色帶有金屬光澤;後翅為白色底,無其他翅紋。本屬的介紹請參考本站兩種物種說明:Cirrhochrista kosemponialis Strand, 1919 甲仙黃緣野螟與Cirrhochrista spinuella Chen, Song & Wu, 2006 單棘黃緣禾螟蛾。
A Brief Introduction:
Cirrhochrista fuscusa, a species described until 2006, represents one of the five species of Cirrhochrista in Taiwan and is classified to kosemponialis species-group. C. fuscusa could be identified from the other two species belonging to kosemponialis species-group by the fuscous ground colour of forewing.