A small bird from New Caledonia with dark olive upperparts, grey-white throat, grey breast and yellow belly and flanks. A 2025 paper uses Cryptomicroeca flaviventris.
It is 14-15 cm long and weighs 10.5-14.5 g. The crown, back and rump are dark olive; the throat is greyish white, breast grey, and belly and flanks yellow. The tail is dark brown.
It occurs in humid and dry forest and woodland on Grande Terre and Ile des Pins. Foraging observations are few; accounts describe activity below 3 m, with prey taken on the ground, in leaf litter or from low bushes.
An extinction-risk assessment has not been added yet.