Table 2. Numbers of genera and species of Sciaridae Billberg, 1820 in Fennoscandia and the Baltics. Remark: countries are listed according to their geographical location from north-west (NW) to southeast (SE).

Region	Countries	Number of genera species		References
				Heller & Menzel (2010); Vilkamaa & Menzel (2019); Menzel
	Norway	22	143	et al. (2020)
Fennoscandia	Sweden	28	299	[including Jan Mayen and Svalbard] Heller et al. (2009, 2015, 2016); Heller & Menzel (2010, 2013); Vilkamaa et al. (2013a, 2013c, 2013d); Vilkamaa & Menzel (2019) Heller & Menzel (2010); Vilkamaa (2014); Heller et al.
	Finland	29	370	(2015); Salmela et al. (2015); Hippa & Vilkamaa (2016);
				Vilkamaa & Menzel (2019)
				Lengersdorf (1929); Mohrig & Menzel (1994); Menzel &
	Estonia	19	63	Mohrig (2000); Heller & Menzel (2010); Hippa et al. (2010);
				Vilkamaa et al. (2013b); this study
Baltics	Latvia	10	28	Mohrig et al. (1985); Menzel (1992); Mohrig (1993); Mohrig & Menzel (1993, 1994, 1997); Menzel & Mohrig (1997, 2000); Heller & Menzel (2010); Hippa et al. (2010)
				Mohrig & Menzel (1993); Pakalniškis et al. (2000, 2006);
	Lithuania	10	22	Podėnas & Pakalniškis (2000); Heller & Menzel (2010);
				Kurina et al. (2011)