Slender owlet moth

A species of Rhapsa

The expansion of the wings is 3.5 cm. The fore-wings have the costa considerably arched towards the apex, and the termen is bowed outwards in the middle; the colour is pale brown in the male and dark brown in the female; there are several obscure black marks near the base; the orbicular is very small, orange or pale grey outlined in black, the claviform is absent, the reniform is conspicuous, the outer edge is much indented, the inner edge is outlined with dull orange-red, there is a black blotch between the orbicular and the reniform ; beyond the reniform there is a carved transverse line enveloping a series of minute black dots, then a very conspicuous wavy transverse line shaded towards the base of the wing; there is a pale triangular area at the apex, and a series of small crescentic dark brown markings on the termen; the cilia are dark brown. The hind-wings are greyish-ochreous; there is a rather faint line across the middle, followed by a broad shade; a series of small crescentic marks is situated on the termen; the cilia are dark greyish-ochreous. The antenna of the male are strongly bipectinated. The female is considerably darker, the markings are less distinct and numerous, and there is no black blotch between the orbicular and the reniform.