BioStor
 | Beiträge zur Kenntniss der Psylloden Löw F. (1877) Verhandlungen der Zoologischbotanischen Gesellschaft in Wien 27: 123-153 |
 | Notes on North American Psyllidae Riley C V. (1885) Proceedings of the Biological Society of Washington (1882-1884) 2: 67-79 |
 | American psyllidae III (Triozinae) D Crawford (1911) Pomona College Journal of Entomology 3: 422-453 |
 | Beitrage zur Kenntnis der Cynipiden. iv (1913) Entomologische Mitteilungen Berlin 2: 146-148 |
 | A monograph of the jumping plant-lice or Psyllidae of the New World David L Crawford (1914) Bulletin. United States National Museum 85: 1-182 |
 | Psyllidae of the vicinity of Washington DC with description of a new species of Aphalara (Hom.) Mcatee W L. (1918) Entomological News 29: 220-224 |
 | Notes on Psyllidae (Homoptera) Crawford D L. (1920) Entomological News 31: 69-70 |
 | Undescribed Tipulidae collocted by Mr. H. S. Parish in Brazil (1920) Entomological News Philadelphia 31: 70-75 |
 | 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 |