Iambia thwaitesii is a moth of the Noctuidae family.
Iambia thwaitesii Wikipedia
It is found in India, Sri Lanka, Kenya and Nigeria.
Wingspan about 30mm. Body pale brown. Head and thorax marked with black. Palpi with very short third joint. Male lack tufts of hair on the claspers. Male without a cleft corneous ridge on vertex of head. Antennae minutely ciliated in male. Fore wings with pale brown, irrorated and blotched with black. The sub-basal line obscured by black blotches. Antemedial and postmedial double lines reduced to series of striae. Postmedial lines are suffused with diffused black inside it. Reniform is black and ill-defined. There is a broad sub-marginal waved black band form costa to vein 4. A marginal series of prominent black spots. Hind wing dark fuscous. Ventral side of hind wing with cell-spot and postmedial line. Some specimens have more variegated chestnut and dark brown fore wings. Orbicular and reniform fuscous. The apical part of the submarginal band forming a prominent black patch.