Pediculus (humanus capitis) cinereus de Geer, 1778: 67.
Records in Baltic States: Latvia (Grinbergs 1961b; 1980b).
Hosts: M. musculus (LV).
European distribution: Belgium, Croatia, Czech Republic, Denmark, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Malta, Moldova, the Netherlands, Norway, Poland, Portugal, Russia, Serbia, Spain, Sweden, Switzerland, Ukraine, the United Kingdom (Brinck 1950; Blagoveshchensky 1964; Wegner 1966; Piotrowski 1970; Büttiker & Mahnert 1978; Gratz 1997; Skirnisson 2001; Savona-Ventura 2002; Manilla 2003; O’Connor et al. 2005; Willems et al. 2005; Kurhanova 2006; Light et al. 2008; Vogels et al. 2012; Vas et al. 2012; Krčmar & Trilar 2017; Mihailov et al. 2019; Aalto-Korte et al. 2020; Fox et al. 2020).
Notes: The detection of P. humanus capitis on a small mammal was probably accidental, since this louse species is highly specific parasite of humans (Durden & Musser 1994).