Thor, 1932 :88 André, 1985 : 192 André, 1980 : 119 Tydeid and triophtydeid mites (Acari: Tydeoidea) associated with grapevine (Vitaceae: Vitis spp.) in Brazil, with the descriptions of species of Prelorryia (André, 1980) and Tydeus Koch, 1835 Silva, Guilherme Liberato Da Cunha, Uemerson Silva Da Rocha, Matheus Dos Santos Panou, Eleni N. Ferla, Noeli Juarez Zootaxa 2014 3814 4 495 511 Thor, 1932 Thor 1932 [151,437,1410,1435] Arachnida Tydeidae Triophtydeus GBIF Animalia Actinedida 1 496 Arthropoda genus     Triophtydeus  Thor, 1932:88;  André, 1985: 192.  Metatriophtydeus  André, 1980: 119.   Typespecies:  Tydeus triophthalmus Oudemans, 1929.   Remarks. André (1985)redefined the genus and synonymized  Metatriophtydeus( André 1980)with  Triophtydeus. The genus is characterized by having three eyes (not always visible), opisthosoma with eight pairs of setae and four or three pairs of slit-like pores, epimeral formula in adults (coxal plus ventral setae): 3-1-3-3; leg setal counts (with solenidia in parentheses): Leg I: 10 (1ω)-5-3-5-1; Leg II: 6(1ω)-2-2-4-1; Leg III: 5-1-2-1-1; Leg IV: 5-2-2-1+2-0.