Abstract
Seven species of whiteflies, Aleuroclava selvakumarani Sundararaj & David, Aleuroplatus spina (Singh), Dialeurodes citri (Ashmead), D. dissimilis (Quaintance & Baker), D. ixorae (Singh), Dialeurolonga maculata (Singh) and Minutaleyrodes minuta (Singh), from Sri Lanka form new records. Of these, D. citri and M. minuta are pest species. A new species, Pealius nelsoni David & Dubey is described and illustrated. New host plant records are indicated. A check list of whiteflies of Sri Lanka is appended.
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