Crocanthes triglenopa is a moth in the Lecithoceridae family. It was described by Meyrick in 1929. It is found in New Guinea.
The wingspan is about 13 mm. The forewings are reddish-orange with the veins marked with irregular black lines, not reaching the margins, posteriorly terminated by a straight black streak from the costa at five-sixths not reaching the tornus, or some not reaching this. There is a slender black marginal streak around the apex and termen. The hindwings are reddish-orange with the veins marked with fine black lines not reaching the margin. There are three rounded black separate blotches occupying the upper half of the termen.