Olbiosyrphus, Taxa Only, Exact Match: 2 Treatments

Olbiosyrphus clarum			Mengual, Ximo, 2012, The flower fly genus Citrogramma Vockeroth (Diptera: Syrphidae): illustrated revision with descriptions of new species, Zoological Journal of the Linnean Society 164 (1), pp. 99-172 : 106-128	106-128
Olbiosyrphus clarus			Mengual, Ximo, 2013, Notes on Citrogramma Vockeroth and Eosphaerophoria Frey (Diptera: Syrphidae), Zootaxa 3745 (3), pp. 388-396 : 391	391