Exacristis euryopa is a moth in the Xyloryctidae family, and the only species in the genus Exacristis. It was described by Meyrick in 1921 and is found in South Africa. The wingspan is about 18 mm. The forewings are ochreous-whitish with the discal stigmata widely remote and black. The costal edge is shortly blackish towards the apex. The hindwings are light grey, the apex tinged with ochreous-whitish.