Baccha elongata var.
obscuripennis
Meigen, 1822
ou
Baccha obscuripennis Meigen, 1822
(voir : Ssymank & Lair, 2014 - Hoverflies (Syrphidae) in the Mercantour National Park, France.
Studia dipterologica 21 (1) 2014: 95–153
).
Photo: © C. LAURIAUT
Adulte mâle
