BioStor
 | Nymphal taxonomy and systematics of Psylloidea (Homoptera) I M White and I D Hodkinson (1985) Bulletin of the British Museum (Natural History) Entomology 50(2): 153-301 |
| The Psyllids (Homoptera: Psylloida) of Alaska I D Hodkinson (1978) Systematic Entomology 3: 333-360 |