Feather Mite Family Eustathiidae (Acarina: Sarcoptiformes) - Paul Peterson, Warren T. Atyeo, W. Wayne Moss - Google Books

http://books.google.de/books?id=_J82_UPtb5oC&dq=Eustathiidae&printsec=frontcover&source=bl&ots=1n7mMHmYet&sig=N584ry0gLfxiDnwCJd

The feather mite family Eustathiidae Oudemans is a presumably monophyletic group of ectoparasites restricted to swifts & crested swifts (Apodiformes: Apodidae & Hemiprocnidae). The mites occur in tandem between the barbs of the primary regimes of the wings…