Brachyopa minima (Diptera: Syrphidae), a new species from Greece with notes on the biodiversity and conservation of the genus Brachyopa Meigen in the Northern Aegean Islands Author Pérez-Bañón, Celeste Author Radenković, Snezana Author Vujić, Ante Author Ståhls, Gunilla Author Rojo, Santos Author Grković, Ana Author Petanidou, Theodora text Zootaxa 2016 4072 2 217 234 journal article 46869 10.11646/zootaxa.4072.2.5 e2074875-e2a7-4912-8291-67ac248be3a0 1175-5326 270665 557C6E0E-5A87-4E52-8DCE-5D47CB13AE1E Key to the members of the Brachyopa quadrimaculosa species group in the Eastern Mediterranean (following Doczkal & Dziock 2004 ) 1. Scutellum entirely covered in microtrichia................................. Brachyopa bimaculosa Doczkal & Dziock - Scutellum largely bare of microtrichia, at least on posterior 1/2–1/3.............................................. 2 2. Proepimeron with a few pile anteriorly. Scutum with rounded bare spots at the transverse suture ( Figs 3 C & D)........... 3 - Proepimeron bare. Scutum with microtrichose transverse suture................................................. 5 3. Lateral sides of scutum uniformly covered with light grey microtrichia....... Brachyopa vernalis van Steenis & van Steenis - Lateral sides of scutum with stripes of dark grey microtrichia... (as in Fig. 3 C)..................................... 4 4. Postalar callus with a very small bare spot ( Fig. 3 C); male terminalia illustrated in Kaplan & Thompson (1981: 209, Figs 16– 18) ............................................... Brachyopa quadrimaculosa Thompson in Kaplan & Thompson - Postalar callus with large bare spot (see van Steenis & van Steenis 2004: Fig. 4 ).................................................................................................. Brachyopa cruriscutum van Steenis & van Steenis 5. Sensory pit present; scutum with bare spots and stripes ( Figs 3 A & B); tergites with pale pile; male terminalia in Figs 4–5 .................................................................................. Brachyopa minima sp. nov. - Sensory pit absent; scutum completely microtrichose except for the postalar callus; second tergite with black pile posteromedi- ally in female (can be absent in male); (male terminalia illustrated in Vujić (1991: 147, Fig. 4 B)....................................................................................................... Brachyopa insensilis Collin