Hylaeus (Deranchylaeus) species, males. Head, frontal view. 1. H. (D.) aurantiacus sp. nov.; 2. H. (D.) xanthostoma (Alfken); 3. H. (D.) burundis sp. nov.; 4. H. (D.) promontorii (M.-W.); 5. H. (D.) lyriformis sp. nov.; 6. H. (D.) sambiensis sp. nov.; 7. H. (D.) portokalius sp. nov.; 8. H. (D.) venustus Dathe; 9. H. (D.) diastictus sp. nov. Scale bar 0.5 mm.

 
 
  Part of: Dathe HH (2023) New insights into the taxonomy of the Hylaeus xanthostoma complex and further additions to the African Hylaeus fauna (Hymenoptera, Anthophila, Colletidae). Contributions to Entomology 73(1): 67-93. https://doi.org/10.3897/contrib.entomol.73.e102655