BioStor
 | The type-species of the North American genera of Diptera D W Coquillett (1910) Proceedings of the United States National Museum 37: 499-647 |
 | Dipterologische Studien. VIII. Zur Kenntnis der Stratiomyiiden-Unterfamilien mit 2ästiger Media Pachygasterinae, Lophotelinae und Prosopochrysinae G Enderlein (1914) Zoologischer Anzeiger 43: 289-315 |
 | A revision of the North American Pachygasterinae with unspined scutellum (Diptera) J R Malloch (1915) Ann. Ent. Soc. Amer 8: 305-320 |
 | Description of some new tropical Pachygastrinae C W Johnson (1920) Psyche 27: 112-115 |
 | 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 |