- Albania
- Szederjesi and Csuzdi, 2012b
- Bulgaria
- Zicsi and Csuzdi, 1986b; Szederjesi, 2012
- Denmark
- Blakemore, 2007
- France
- Bouche, 1972.
- Georgia
- Bakhtadze et al., 2008
- Greece
- Szederjesi and Csuzdi, 2012
- Iran
- Mirmonsef et al., 2011; Farhadi et al., 2013
- Jordan
- Szederjesi et al., 2013
- Poland
- Kasprzak, 1989
- Romania
- Pop, 2012.
- Serbia
- D.v.veneta: Milutinovic, 2010; D.v.zebra: Stojanovic and Karaman, 2003; Milutinovic, 2010
- Turkey
- Omodeo and Rota, 1989, 1991
- United Kingdom
- Sims and Gerard, 1999; Scotland: Carpenter, 2011
- United States
- California: Reynolds, 1995
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Data are not exhaustive. The database is permanently a work in progress.