Pachyserica stabilis is a species of beetle of the family Scarabaeidae. It is found in India (Darjeeling).
Adults reach a length of about 7.7âÂÂ9 mm. They have a reddish-brown brown, elongate-oval body, with some dark spots. The antennae are yellowish-brown and the dorsal surface is dull with white hairs and erect, long, thin setae.
The species name is derived from Latin stabilis (meaning firm).