European Starling

Proctophyllodes is a genus of feather mites, found on passerine birds.

References

Atyeo, W. T.; Braasch, N. L. (1966). "The feather mite genus Proctophyllodes (Sarcoptiformes: Proctophyllodidae)". Bulletin of the University of Nebraska State Museum (5).
Badek, A.; Dabert, M.; Mironov, S. V.; Dabert, J. (2008). "A New Species of the Genus Proctophyllodes (Analgoidea: Proctophyllodidae) from Cetti's Warbler Cettia cetti (Passeriformes: Sylviidae) with DNA Barcode Data". Annales Zoologici. 58 (2): 397–402. doi:10.3161/000345408X326735. S2CID 84811242.
Mironov, S. V.; Dabert, J.; Dabert, M. (2012). "A new feather mite species of the genus Proctophyllodes Robin, 1877 (Astigmata: Proctophyllodidae) from the Long-tailed Tit Aegithalos caudatus (Passeriformes: Aegithalidae)—morphological description with DNA barcode data". Zootaxa. 3253: 54–61. doi:10.11646/zootaxa.3253.1.2.
Summers-Smith, J. Denis (1963). The House Sparrow. New Naturalist (1st. ed.). London: Collins. pp. 131–132.