Mooreana trichoneura, the yellow flat, is a butterfly belonging to the family Hesperiidae and subfamily Pyrginae (flats). It has a wingspan of 32âÂÂ36 mm.
Its upperside is dark brown, and the forewing has a number of white hyaline (glass-like) spots and strokes in the outer half of the wing, while the hindwing has a series of black wedge-shaped discal spots and a yellow tornal area. The underside of the hindwing is predominantly yellowish white.
The yellow flat has a wide distribution. It ranges from India to Thailand to Malaysia and can even be found in the Philippines. In 2012, it was discovered in Singapore.
The yellow flat is usually found in lowland forests up to 833 m (2500 ft).
Like other butterflies in its subfamily, it flies quickly and usually rests on the underside of a leaf with its wings open flat.
The subspecies of Mooreana trichoneura found in India are-