Chalcosyrphus ( Xylotodes ) eunotus (Loew, 1873)

Chalcosyrphus ( Xylotodes) eunotus (Loew, 1873) View in CoL ( Fig. 1)

Material examined. Russia: Moscow Region, Tabolovo env., 55.9149N 36.0686E, clearing in mixed forest, 8.06.2019, 2 ♀ ( A. Prokhorov) GoogleMaps .

Distribution: Armenia, Belgium, Croatia, Czech Republic, France, Germany, Great Britain, Greece, Hungary, Ireland, Luxembourg, the Netherlands, North Macedonia, Poland, Romania, Serbia, Slovak Republic, Spain, Switzerland, Turkey, Ukraine ( Peck, 1988; Dirickx, 1994; Holinka & Mazánek, 1997; Vujić & Milankov, 1999; Carrières, 2001; Stubbs & Falk, 2002; Stănescu & Pârvu, 2005; Mielczarek, 2009; Reemer et al., 2009; Tóth, 2011; Williams et al., 2011; Saribiyik, 2014; Van Steenis et al., 2015; Ricarte & Marcos-García, 2017; Prokhorov et al., 2018; Speight, 2018; Syrphidae checklists, 2019); Russia ( first record).

Note. Despite its wide distribution, C. eunotus is rare throughout its range. In Great Britain, this species is listed under the UK Biodiversity Action Plan and qualifies as Nationally Scarce ( Ball & Morris, 2014).