Cacopsylla shillongensis (Lahiri & Biswas, 1990), comb. nov.
Distribution. India: Megalaya (Lahiri & Biswas 1990, as Psylla shillongensis).
Host plant. Unknown.
Comments. Originally described in Psylla, this species is not congeneric with Psylla alni (Linnaeus, 1758), the type species of Psylla . For this reason, it is formally transferred here to Cacopsylla as C. shillongensis (Lahiri & Biswas, 1990), comb. nov. from Psylla .