Criorhina floccosa (Meigen, 1822)

Prokhorov, A. V., Popov, G. V. & Zaika, M. I., 2018, New Records Of Hoverflies (Diptera, Syrphidae) From Ukraine. I. Milesiini And Rhingiini, Vestnik Zoologii 52 (1), pp. 13-20 : 14

Criorhina floccosa (Meigen, 1822) ( figs 1–2 )

M a t e r i a l e x a m i n e d. Ukraine: Zakarpattia Region , Kamianytsia env., Uzh River valley (left bank), 48.70 N 22.43 E, on flowers of Crataegus sp. , 7.05.2017, 1 ♀, 9.05.2017, roads in deciduous forest, 2 ♂, 1 ♀ (A. Prokhorov); idem, 9.05.2017, roads in deciduous forest, 1 ♂, 1 ♀ (G. Popov) .

D i s t r i b u t i o n: southern Sweden and Denmark south to the Pyrenees; from Ireland eastwards through central Europe (plus northern Italy, Bosnia and Herzegovina, Macedonia, Serbia, Slovakia) into European parts of Russia, Caucasus and Turkey ( Stackelberg, 1970; Peck, 1988; Holinka & Mazánek, 1997; Vujić & Milankov, 1999; Saribiyik, 2009; Speight, 2016). Ukraine (first record). Our records extend the knowledge of the eastern boundary of this rare European species range.

Notes. The larvae of this species develop in decaying roots and in rot-holes of the deciduous trees such as Ulmus , Fagus and Acer ( Rotheray, 1991, 1994; Bartsch et al., 2009; Speight, 2016).

Figures

Figs 1–4. Habitus of Criorhina floccosa (figs 1, 2) and Chalcosyrphus eunotus (figs 3, 4), dorsal view: 1, 3 — males, 2, 4 — females.