Leptopsylla segnis (Schönherr, 1811)
Pulex segnis Schönherr, 1811: 99 .
Ctenopsyllus musculi . — Wagner 1903: 149. Records in Baltic States: Estonia (Dampf 1908; Daiter 1961a; Pototski 1990b; Pototski et al. 1993), Latvia (Eglitis 1957; Lapina 1959; Grinbergs 1960; 1961a; 1961b; 1961d; 1964; 1976), Lithuania (Šivickis 1955; Likevičienė 1957; Podėnaitė 1960; Kadytė 1964; current study).
Hosts: S. araneus (LV), S. betulina (LV), A. agrarius (EE, LV, LT), A. flavicollis (EE, LV, LT), M. minutus (EE), M. musculus (LV, LT), R. norvegicus (EE, LV, LT), R. rattus (LV), A. amphibius (LV), C. glareolus (LV), M. agrestis (EE), M. arvalis (EE, LV, LT) .
European distribution: Andorra, Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Finland, France, Ireland, Italy, Malta, the Netherlands, North Macedonia, Poland, Portugal, Romania, Russia, Serbia, Slovakia, Slovenia, Spain, Sweden, Ukraine, the United Kingdom (Cooreman 1950; Rosický 1950; Niewiadomska 1953; Radvan 1959; Smit 1962; 1967; 1969; Adamovich 1971; Mahnert 1972; Suciu 1973; George 1974; Beaucournu & Gosalbez 1975; Haitlinger 1977b; 1980; 2006b; 2015; Beaucournu 1978; Brelih & Petrov 1978; Brelih 1986; Vashchonok 1996; Iori et al. 2003; Mifsud et al. 2008; Libois 2009; Christou et al. 2010; Kanchev et al. 2012; Baláž & Zigová 2020).