Clusiodes ruficollis (Meigen, 1830)

Kazerani, F., Beuk, P., Farashiani, M. E. & Kiasari, Sh. Mohammadnezhad, 2020, First Records Of The Rare Family Clusiidae (Diptera, Opomyzoidea) From Iran, Zoodiversity 54 (1), pp. 31-34 : 33

Clusiodes ruficollis (Meigen, 1830) ( fig. 4 )

M a t e r i a l e x a m i n e d: Iran: Golestan province, Shast-Kola forests [36°43'00.7" N, 54°23'13.7" E], 1271 m, pan traps, 12.07.2017, 1 ♀ (Kazerani & Mohammadnezhad Kiasari) ; Gilan province, Shafarood forests [37°40'15.1" N, 48°45'09.6" E], 1138 m, sweep net, 15.07.2018, 1 ♀ (Kazerani) .

D i a g n o s t i c c h a r a c t e r s: Face and gena white; palpa totally yellow; Antenna scape and pedicel light yellow, pedicel with one outstanding bristle on dorsal margin; postpedicel black in upper part and white in lower part; thorax yellow with 2 brown lateral band; scutellum totally brown. Legs totally white; Abdomen tergites brown;

D i s t r i b u t i o n: Palearctic: Europe, Russia.

Practical key to the species of Clusiidae in Iran

1. Wing with three separate, large markings, covering the tip of R1, crossveindm-cu and along the tip wing covering the apices of R 2+3, R 4+5 and M ( figs 2–3 ). .................................................................... Clusia tigrina

— Wing with a single cloud-like marking near the wing tip only, though the whole wing may be darkened as well ( figs 1 & 4 ).................................................................................................................................................2

2. Anterior orbital setae curved inwards. ......................................................................................... Clusia flava

— All orbital setae curved backwards...................................................................................... Clusiodes ruficollis

Figures

Figs 1–4: 1 — female habitus of Clusia flava (Meigen, 1830), lateral view; 2 — female habitus of Clusia tigrina (Fallén, 1820), dorsal view; 3 — male habitus of Clusia tigrina (Fallén, 1820), lateral view; 4 — female habitus of Clusiodes ruficollis (Meigen, 1830), dorsal view.