title: Three new species of Kerria (Hemiptera: Sternorrhyncha: Coccoidea: Tachardiidae), a redesciption of K. yunnanensis Ou & Hong, and a revised key to species of Kerria.
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.
authors.affiliation: Division of Entomology Indian Agricultural Research Institute, New Delhi 110012, India. a.ayashaa@gmail.com
authors.forename: Ayashaa
authors.initials: A
authors.lastname: Ahmad
authors.forename: K K
authors.initials: KK
authors.lastname: Sharma
authors.forename: V V
authors.initials: VV
authors.lastname: Ramamurthy
authors.forename: A S
authors.initials: AS
authors.lastname: Vidyarthi
authors.forename: R
authors.initials: R
authors.lastname: Ramani
mesh_terms: D000818:Animals; D005260:Female; D006430:Hemiptera / Q000033:anatomy & histology* / Q000145:classification* / Q000648:ultrastructure; D008855:Microscopy, Electron, Scanning; D013045:Species Specificity