Abstract
Three new species of lac insect, Kerria Targioni-Tozzetti viz., Kerria manipurensis Ahmad & Ramamurthy sp. nov., Kerria maduraiensis Ahmad & Ramamurthy sp. nov., and Kerria thrissurensis Ahmad & Ramamurthy sp. nov. are described and illustrated. Kerria yunnanensis Ou & Hong is illustrated and redescribed, and a key to the known species of Kerria is provided. The usefulness of star pores as a diagnostic character in the subgeneric divisions of Kerria is also discussed.
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