Spilosoma is a genus of moths in the family Erebidae originally described by John Curtis in 1825.

Palpi short, porrect (extending forward) and fringed with hair.

Antennae bipectinate (comb like on both sides) in male and serrate in female.

Mid tibia with a terminal pair of minute spurs and hind tibia with two spur pairs.

Female with an abdominal tuft developed in most cases.