Degeeriella rufa (Burmeister, 1838) Reports: [1] Balát (1958); [2] Touleshkov (1957); [3] Touleshkov (1964a). Synonyms: Degeeriella nitzschi (Giebel) [2, 3]; Degeeriella quadraticollis Rudow [1]. Hosts: Falco columbarius L. [2, 3]; F. subbuteo L. [2, 3]; F. tinnunculus L. [1, 2]; F. vespertinus L. [2]. Distribution in Bulgaria: Sofia Region [1]; Sofia Zoo, Sofia, Potop (Sofia Region), Pazardzhik, Bracigovo (Pazardzhik Region), Negovan (Sofia Region) [2]; Pazardzhik [3].Published as part of Ilieva, Mihaela, 2009, Checklist of the chewing lice (Insecta: Phthiraptera) from wild birds in Bulgaria, pp. 1-66 in Zootaxa 2138 (1) on page 30, DOI: 10.11646/zootaxa.2138.1.1, http://zenodo.org/record/531430