Hymenia perspectalis (Hübner, 1796)

雙白帶野螟(Hymenia perspectalis)是草螟科(Crambidae)斑野螟亞科(Spilomelinae)的成員。本種的前翅為灰褐色底，外中線為白色，由前緣延伸至約中央，中室前端有一個白色圓斑，中線為白色，由中室向下延伸至後緣，內線為白色；後翅亦為黑褐色底，中線為白色寬帶。

A Brief Introduction:

Hymenia perspectalis represents the only speccies of Hymenia in Taiwan and shares similar wing pattern with Spoladea recurvalis. Three external characters could be applied to identified this two species: 1.grey-brownish ground colour with dark markings on the forewing of the former, while red-brownish ground colour with Green on the forewing of the latter; 2. the wite bands on forewing and hindwing undeveloped of the foremer than those of the latter.