A revision of the British species of the genus Phthiracarus Perty 1841 (Cryptostigmata: Euptyctima) Parry, B. W. Bull. British Mus. nat. Hist., Zool. ser. 1979 35 323 363 Arachnida Phthiracaridae Phthiracarus Animalia Sarcoptiformes 34 355 Arthropoda species compressum  Upland swamp Sphagnum, East Village, Monroe, Connecticut, USA MCZ, Cambridge, Mass.