Addition of four new records of pit vipers (Squamata: Crotalinae) to Manipur, India

In spite of the potential richness in biodiversity, Manipur is still one least explored areas northeastern India. this work, we report on our finding four pit viper species, namely, Trimeresurus mayaae, T. salazar, erythrurus, and Protobothrops jerdonii during herpetological surveys 2022. We affirm identity these specimens based combination standard morphological characters mitochondrial cytochrome b gene. Our study not only reports new records vipers for first time Manipur, but also extends their respective known geographical ranges. This information calls further dissemination especially to health care sector, as it venomous snakes that could be medical importance regards human snakebites.