Two new genera and two new species of eriophyoid mites viz., Propeaciota genusetosis n. gen. and n. sp. infesting Acer sp. (Aceraceae) and Spinaephyes alnus n. gen. and n. sp. infesting Alnus nepalensis D. Don (Betulaceae) are described in the tribe Tegonotini (Eriophyidae: Phyllocoptinae) from North Bengal, India. Aciota secundum Flechtmann et al.1995 is re-assigned (n. comb.) to Propeaciota. Relationships of the new genera with other eriophyoid genera are discussed.

Two new species of eriophyoid mites viz. Abacarus sundarbanensis n. sp. infesting Pongamia glabra L. (Fabaceae) and Diptilomiopus augustifoliae n. sp. infesting Ambroma augusta (L.) (Sterculiaceae) respectively, are described from West Bengal, India.

Two new genera, Brevishieldophyes Chakrabarti & Pandit, gen. n. and Mesoshieldophyes Chakrabarti & Pandit, gen. n., and a new species Mesoshieldophyesvarecae Chakrabarti & Pandit, sp. n. are described. These mites are leaf vagrants. The morphological characters of the afore-mentioned genera and those of Ashieldophyes Mohanasundaram are compared. A key for separating the genera within the subfamily Ashieldophyinae is provided. The diagnostic characters of the subfamily Ashieldophyinae are also revised.

Two new species, Diptilomiopus indogangeticus n. sp., infesting Ficus tinctoria subsp. gibbosa (Blume) Corner (Moraceae), and Diptilomiopus mohanasundarami n. sp., infesting Mangifera indica L. (Anacardiaceae), are described from West Bengal, India. Diptilomiopus holoptelus Chakrabarti and Mondal and Diptilomiopus strebli (Boczek) are possible junior synonyms of Diptilomiopus integrifoliae Mohanasundaram and Diptilomiopus asperis Ghosh and Chakrabarti, respectively.

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