“…It should be emphasised that the EPPGs represent the EuPPs at the EP forum (Ladrech, 1996;Bardi et al, 2010;Bartolini, 2012;Bardi et al, 2014;Cicchi, 2016). For this reason, the analysis of the activity of the MEPs who belong to individual EPPGs must take into account, at least to a limited extent, the actions taken against 'mother-parties', i.e., EuPPs (Hix, Lord, 1997;Hix, Noury, Roland, 2007;Gray, 2008;Rodriguez-Aguilera de Prat, 2009;Priestly, 2011;Lindberg, Rasmussen, Warntjen, 2013).…”