The family Pachylaelapidae Vitzthum, 1931 on Tenerife Island (Canary Islands), with description of seven new species of the genus Pachylaelaps (Acari, Mesostigmata: Pachylaelapidae). Acarologia (Paris), 45(2-3), April-September 2005: 103-129. 121 [Zoological Record Volume 142]