Mooreana trichoneura, the yellow flat, is a butterfly belonging to the family Hesperiidae and subfamily Pyrginae (flats). It has a wingspan of 32–36 mm.
Description
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.
Distribution
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.
Habitat
The yellow flat is usually found in lowland forests up to 833 m (2500 ft).
Habits
Like other butterflies in its subfamily, it flies quickly and usually rests on the underside of a leaf with its wings open flat.
Host plant
Mallotus paniculatus
Subspecies
Mooreana trichoneura trichoneura
Mooreana trichoneura pralaya (Moore, [1866]) Mooreana trichoneura multipunctata (Crowley, 1900) (Haina) Mooreana trichoneura nivosa (Fruhstorfer, 1909) (Nias) Mooreana trichoneura nava (Fruhstorfer, 1909) (Java)