BioStor
 | IX. On the Phytogeny of the Pierinæ, as illustrated by their Wing-markings and Geographical Distribution Frederick A Dixey (1894) Transactions of The Royal Entomological Society of London 42: 249-334 |
 | XXXII.—A revision of the Pierine genus Huphina, with notes on the seasonal phases and descriptions of new species Arthur G Butler (1899) Annals And Magazine of Natural History 3: 201-214 |
 | VI. Notes on the Butterflies observed in a tour through India and Ceylon, 1903-4 G B Longstaff (1905) Transactions of The Royal Entomological Society of London 53: 61-144 |