Kaliwatan sa langaw ang Beckerellus terminatus.^[1] Una ning gihulagway ni Becker ni adtong 1909. Ang Beckerellus terminatus sakop sa kahenera nga Beckerellus, ug kabanay nga Bombyliidae.^[1][2]

Kini nga matang hayop na sabwag sa:

• Botswana
• Eritreya
• Etyopiya
• Kenya
• Malawi
• Senegal
• Habagatang Aprika
  • Province of KwaZulu-Natal
  • Mpumalanga (lalawigan)
  • Northern Province
  • Province of the Western Cape
• Tanzania
• Uganda
• Yemen
  • Socotra (pulo)
• Zambiya
• Zimbabwe

Walay nalista nga matang nga sama niini.^[1]

1. ↑ ^{1.0 1.1 1.2} Roskov Y., Kunze T., Orrell T., Abucay L., Paglinawan L., Culham A., Bailly N., Kirk P., Bourgoin T., Baillargeon G., Decock W., De Wever A., Didžiulis V. (ed) (2019). "Species 2000 & ITIS Catalogue of Life: 2019 Annual Checklist". Species 2000: Naturalis, Leiden, the Netherlands. ISSN 2405-884X. TaxonID: 8754723. Retrieved 2019-11-11. {{cite web}}: |author= has generic name (help)CS1 maint: multiple names: authors list (link)
2. ↑ Pape T. & Thompson F.C. (eds). (2019). Systema Dipterorum (version 2.0, Jan 2011). In: Species 2000 & ITIS Catalogue of Life, 2019 Annual Checklist (Roskov Y., Ower G., Orrell T., Nicolson D., Bailly N., Kirk P.M., Bourgoin T., DeWalt R.E., Decock W., Nieukerken E. van, Zarucchi J., Penev L., eds.). Digital resource at www.catalogueoflife.org/annual-checklist/2019. Species 2000: Naturalis, Leiden, the Netherlands. ISSN 2405-884X.