Apion astragali Thunberg, 1815
| The Genus Apion of Herbst's Natursystem considered, its Characters laid down, and many of the Species described William Kirby (1808) Transactions of The Linnean Society of London 9: 1-80 | |
| Bijdrage tot de kennis der apioniden E Everts (1879) Tijdschrift voor Entomologie 22: 133-185 | |
| XIX. On the Hymenopterous Payasites of Coleoptera. First Supplement Ernest A Elliott and Claude Morley (1911) Transactions of The Royal Entomological Society of London 59: 452-496 |