Prionispa houjayi is a species of beetle of the family Chrysomelidae. It is found in Taiwan.
Larvae<br> Larvae reach a length of about 4.4âÂÂ5 mm and have a yellowish-brown body.
Adults<br> Adults reach a length of about 3.9-4.6 mm. They are blackish-brown, while the antennae are mostly whitish-yellow (with antenomeres I-II and VII-XI dark brown). The legs are mostly whitish-yellow.
The recorded host plant for this species is Disporum kawakamii. They mine the leaves of their host plant. The species is thought to be univoltine.
The species name honors Mr. Hou-Jay Chen, who discovered the species.