BioStor
 | Index to vol. xxvii. Anonymous (1917) Entomological News 28(10): 481-498 |
 | Notes on the winter Coleoptera of western and southern Florida, with descriptions of new species. -II W Blatchley (1920) The Canadian Entomologist, Ontario 52: 68-72 |
 | The identity of Chermes alni Linne", 1758 (Homoptera, Psyllidae) (1946) Proceedings of The Entomological Society of Washington 48: 249-250 |
 | Proposed validation of Psylla Geoffroy, 1762, and suppression of Chermes Linnaeus, 1758, under the plenary powers (Insecta, Hemiptera). Z.N. (S.) 1515 V F Eastop (1963) Bulletin of Zoological Nomenclature 20: 139-144 |