Parentispa vagelineata is a species of beetle of the family Chrysomelidae. It is found in Brazil (Goiás, Matto Grosso) and Colombia.
Adults reach a length of about 4.9âÂÂ5 mm. Adults are black, the pronotum margined in red. The elytron has a broad Y-shaped yellow vitta on the disc and the lateral margins are red.
The recorded host plants are Elaeis guineensis, Corozo oleifera, Cocos nucifera and Astrocaryum chonta.