Orthonevra frontalis, Taxa Only, Exact Match: 2 Treatments

Orthonevra frontalis			Heimburg, Helge, Doczkal, Dieter & Holzinger, Werner E., 2022, A checklist of the hoverflies (Diptera: Syrphidae) of Austria, Zootaxa 5115 (2), pp. 151-209 : 176	176
Orthonevra frontalis			Kočić, Anja, Vujić, Ante, Tot, Tamara, Milosavljević, Marina Janković & Groot, Maarten De, 2023, An updated checklist of the hoverflies (Diptera: Syrphidae) of Slovenia, Zootaxa 5297 (2), pp. 189-227 : 204	204