Prionispa houjayi is a species of beetle of the family Chrysomelidae. It is found in Taiwan.
Description Larvae Larvae reach a length of about 4.4–5 mm and have a yellowish-brown body.
Adults 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.Prionispa houjayi (Coleoptera: Chrysomelidae: Cassidinae: Oncocephalini), a Newly Recorded Genus and New Species from Taiwan, with a Description of Its Immature Stages and Notes on Its Bionomy
Life history 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.
Etymology The species name honors Mr. Hou-Jay Chen, who discovered the species.
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