title: Four new species of the grass feeding leafhopper genus Nicolaus Lindberg (Hemiptera: Cicadellidae: Deltocephalinae) from the Indian subcontinent.
abstract: The leafhopper genus Nicolaus Lindberg is recorded from India and Pakistan for the first time. Four new species, N. abuensis sp. nov., N. bidentatus sp. nov., N. cornutus sp. nov. and N. serratus sp. nov. are described and illustrated. N. bihamatus Xing & Li, earlier known from China is recorded from India and Pakistan. A key to the species of Nicolaus from the study area is provided.
authors.affiliation: Department of Entomology, University of Agricultural Sciences, GKVK, Bangalore 560065, India.; Email: viraktamath@hotmail.com.
authors.forename: C A
authors.initials: CA
authors.lastname: Viraktamath
authors.affiliation: Department of Entomology, The Natural History Museum, Cromwell Road, London SW7 5BD, United Kingdom.; Email: m.webb@nhm.ac.uk.
authors.forename: M D
authors.initials: MD
authors.lastname: Webb
mesh_terms: D063147:Animal Distribution; D000825:Animal Structures / Q000033:anatomy & histology; D000818:Animals; D002681:China; D017753:Ecosystem; D005247:Feeding Behavior; D005260:Female; D006430:Hemiptera / Q000033:anatomy & histology / Q000145:classification* / Q000502:physiology; D007194:India; D008297:Male