Cuclotogaster heterogrammicus (Nitzsch [In Giebel], 1866) Reports: [1] Touleshkov (1959а); [2] Touleshkov (1964a); [3] Touleshkov (1974). Host: Perdix perdix (L.) [1, 2, 3]. Distribution in Bulgaria: Sofia, Chelopechene (Sofia Region), Pazardzhik, Kazanlak, Levski [1]; Harmanli [2]; Yankovci (Gabrovo Region), Yagoda (Stara Zagora Region) [3]. Lice of Cuclotogaster identified to the generic level only were reported from Alectoris graeca (Meisner) (see Touleshkov, 1964a).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 28, DOI: 10.11646/zootaxa.2138.1.1, http://zenodo.org/record/531430