A review of the Tabanus semiargenteus-subgroup as part of the Tabanus bovinus species-group (Diptera: Tabanidae) with the description of two new species for science

- Review of the Tabanus semiargenteus species subgroup.
- Taxonomical status and differential diagnosis for Tabanus beieri sp. nov. and T. lintzeni sp. nov.
- Zoogeography, ecology and host preferences for all species.
- Detailed colour plates and distribution maps for all species.