Cotana bisecta is a moth in the family Eupterotidae. It was described by Walter Rothschild in 1917. It is found in New Guinea.[1]
The wingspan is about 52 mm. The forewings are dark brown, somewhat suffused with chestnut rufous and with a median black band, a postmedian indistinct blackish band beyond which is a lunate buffish band on the outside of which is a line of black dots joined by a chain of indistinct blackish lunules. The hindwings are orange yellow with an antemedian transverse line of sooty black and a median indistinct blackish cloud band followed by two lunulate bands.[2]