Armatophallus exoenota is a moth of the Gelechiidae family. It was described by Meyrick in 1918. It is found in Gambia, Cameroon, Ethiopia, Kenya, Tanzania, Uganda, Zimbabwe, Namibia and South Africa. The wingspan is 12.5-20.1 mm. The forewings are dark red-brown, suffusedly mixed with dark purplish-fuscous and with a short indistinct light reddish-ochreous transverse mark from the costa almost at the base. The plical and second discal stigmata are small, indistinct and blackish and there is a small indistinct spot of ochreous suffusion on the costa at three-fourths. The hindwings are rather dark grey. Adults are on wing from October to May and in August.