Megabothris rectangulatus (Wahlgren, 1903)
Ceratophyllus rectangulatus Wahlgren, 1903: 182 .
Records in Baltics States: Estonia (Daiter 1961a), Lithuania (Kadytė 1964).
Hosts: A. flavicollis (EE), C. glareolus (LT) .
European distribution: Austria, Czech Republic, Finland, Norway, Russia, Slovakia, Sweden, the United Kingdom (Jurík 1968; Smit 1969; Mahnert 1972; George 1974; Vashchonok 1996; Baláž et al. 2019).