Lymantria is a genus of tussock moths in the family Erebidae. They are widely distributed throughout Europe, Japan, India, Sri Lanka, Myanmar, Java, and Celebes. The genus was erected by Jacob Hübner in 1819.
In the male, the palpi are porrect (extending forward) and hairy. Antennae with long branches. Forewings with veins 3, 4 and 5 from close to angle of cell. Vein 6 from below upper angle. Veins 7 to 10 are stalked, where vein 7 being given off further from the cell than vein 10. Hindwings with veins 3, 4 and 5 from close to angle of cell. Vein 6 and 7 from upper angle. In female, antennae serrate (tooth like on one side). Wings either fully developed or partially reduced or completely reduced to scales.[1]