BioStor
 | A list of the crane-flies taken in the vicinity of Hazleton, Pennsylvania (Diptera) W G Dietz (1921) Transactions of the American Entomological Society 47: 233-268 |
 | Classification of Insects. A key to the known families of insects and other terrestrial arthropods. [1st Edition] C T Brues and A L Melander (1932) Bulletin of the Museum of Comparative Zoology 73: 1-672 |