Platypria (Platypria) erinaceus, is a species of leaf beetle native to India (Bihar, Gujarat, Himachal Pradesh, Madhya Pradesh, Maharashtra, Pondicherry, Punjab, Tamil Nadu), Sri Lanka, Bangladesh, Myanmar, Nepal and Pakistan.
The antenna are thick.
It is found in wide varieties of host plants including: Desmodium gangeticum, Erythrina, Pueraria tuberosa, Oryza sativa, Saccharum officinarum, Ziziphus jujuba, Ziziphus mauritiana and Ziziphus nummularia.