Tydeidae
Creators: name: Silva, Guilherme Liberato Da
name: Cunha, Uemerson Silva Da
name: Rocha, Matheus Dos Santos
name: Panou, Eleni N.
name: Ferla, Noeli Juarez
Publisher: name: Zenodo
Year: 2014
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Arachnida
Prostigmata
Tydeidae

description: Key to the Tydeidae and Triophtydeidae from Brazil  (Based partially on the keys of André, 1980; Kaźmierski, 1996, 1998b).  
1 Genua II, III and IV without setae............................................................ (Pretydeinae)…2  
- At least genu II with setae.................................................... (Tydeinae and Triophtydeinae)…5  
2(1) Tibia I with solenidion and trochanter II with tactile setae, body reticulated........................................ 3  
 - Tibia I without solenidion and trochanter II without tactile setae, body with striae............. Prelorryia labrusca sp. nov.   
 3(2) Dorsal opisthosomal setae: c1, d1, e1, f1 and f2 strongly barbed, longer or equal to half distance to the basis of next setae............................................................................. Pretydeus henriandrei Kaźmierski   
 - Dorsal opisthosomal setae not so strongly barbed and much shorter.............................................. 4   
 4(3) Dorsum incompletely reticulated except for median, evenly reticulated area of prodorsum, without raised areas......................................................................... Pretydeus curiosa (Ueckermann & Smith-Meyer)   
 - Dorsum completely reticulated, with raised areas and regular lobes.......................... Pretydeus panitae (Baker)   
 5(1) Tarsus I with 10 setae; at least four setae on femur I; genu II and III each with two setae...... Triophtydeus lebruni (André)   
- Tarsus I with eight setae; at most three setae on femur I; genu II and III never with two setae each........... (Tydeinae)…6  
 6(5) Femur IV nude; all dorsal setae similar in shape: flat, spatulate, but not expanded distally..... Afrotydeus kenyensis (Baker)   
- Femur IV with one seta, dorsal setae variously shaped........................................................ 7  
 7(6) Femur III with two setae and trochanter II and IV each with one seta.............................. (Brachytydeus)…8   
 - Femur III with one seta or trochanter II and IV nude or with setae (Neolorryia and Tydeus).......................... 10   
 8(7) Dorsal setae ro, la, ex serrated and remaining setae on dorsal spatulated, seta p' ζ not T-shaped distally............................................................................................. Brachytydeus podocarpa ( Baker)   
 - Dorsal setae smooth, all dorsal setae similar in shape, seta p' ζ with T-shaped tip................................... 9   
 9 (8) Dorso–central region between setae d1 reticulated; dorsal setae expanded distally........ Brachytydeus formosa (Cooreman)   
 - Dorso–central region between setae d1 striate; dorsal setae acute.............. Brachytydeus scutatus Silva, Rocha & Ferla   
 10(7) Femur I with two setae; genu III and IV nude. Setae ps1 absent.................................... (Neolorryia)…11   
 - Femur I with three setae; genu III and IV each with one seta. Setae ps1 present.......................... (Tydeus)…12   
 11(10) Female with four pairs of genital setae (g1–4); setae f1 shorter than ½ of distance f1-h1........ Neolorryia pandana (Baker)   
 - Female with six pairs of genital setae (g1–6); setae f1 longer than ½ of distance f1–h1........... Neolorryia boycei (Baker)   
 12(10) Femur II with three setae. Dorsal ornamentation of a “basketweave” type........................ Tydeus manoi sp. nov.   
- Femur II with two setae. Dorsum striate................................................................... 13  
 13(12) Dorsal idiosomal setae similar in shape, all dorsal setae smooth and acute; four pairs of genital setae (g1–4)............................................................................................. Tydeus riopardensis sp. nov.   
 - Dorsal idiosomal setae different or similar in shape, not all dorsal setae smooth and acute; six pairs of genital setae (g1–6)…14   
 14(13) Dorsal idiosomal setae different in shape, five pairs of setae on opisthosoma spatulate (f1, f2, h1, h2 and ps1) and rest slightly serrated....................................................................... Tydeus californicus (Banks)   
 - All dorsal idiosomal setae similar in shape, slightly lanceolate and serrate..................... Tydeus costensis (Baker)
description: Published as part of Silva, Guilherme Liberato Da, Cunha, Uemerson Silva Da, Rocha, Matheus Dos Santos, Panou, Eleni N. & Ferla, Noeli Juarez, 2014, 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, pp. 495-511 in Zootaxa 3814 (4) on page 509, DOI: 10.11646/zootaxa.3814.4.3, http://zenodo.org/record/229706