Recurvaria costimaculella is a moth of the Gelechiidae family. It is found on Sicily. The wingspan is 12–13 mm. The forewings are light grey, mottled with grey-brown and with a black mark running from the base of the costa along the fold to two-fifths, another prominent black patch at the costa before the middle, with small black spot at the lower margin. The tornal and costal spots are brownish black, with a vertical, black streak between them. The termen has scattered black scales. The hindwings are light brownish grey. Adults have been recorded on wing from late June to early July.