BioStor
 | Ernst Hartert's expedition to the central western Sahara. Rhynchota Heteroptera (1913) Novitates Zoologicae Tring 20: 592-597 |
 | Annotated checklist of Hemiptera-Heteroptera of the Netherlands B Aukema (1989) Tijdschrift Voor Entomologie 132: 1-104 |