Usia calva, Taxa Only, Exact Match: 2 Treatments

Usia calva			Dils, J. & Özbek, H., 2006, Contribution to the Knowledge of the Bombyliidae of Turkey (Diptera), Linzer biologische Beiträge 38 (1), pp. 455-504 : 460	460
Usia calva			Gibbs, David, 2014, A world revision of the bee fly tribe Usiini (Diptera, Bombyliidae) Part 2: Usia sensu stricto, Zootaxa 3799 (1), pp. 1-85 : 29-30	29-30