FIGURES 4–11 in Umbothynnus, a newly recognised genus for the Rhagigaster alexius Guérin group of species (Hymenoptera: Tiphiidae: Thynninae: Rhagigasterini) from northern Australia

FIGURES 4–11. Umbothynnus spp., male epipygia: 4. U. alexius; 5. U. bertholetiensis; 6. U. borrolooliensis; 7. U. infuscatus; 8. U. katherinensis; 9. U. subcornutus; 10. U. subspinosus; 11. U. webbiensis. Scale line = 0.5 mm.