Tydeus sp., copyright Leena Leskinen.

Belongs within: Eupodides.
Contains: Procurvata.

The Tydeidae are a diverse group of free-living mites, many of which are notably resistant to desiccation. They may be more or less omnivorous in diet, with some species having been recorded feeding on a variety of animal, plant or fungal foods (Walter et al. 2009).

Characters (from Walter et al. 2009): Median eyespot and naso absent. Movable digit of chelicerae stylet-like. Legs I with claws; tarsus I without famulus, solenidia erect. Epimeral seta 3d usually present. Adults with two pairs of genital papillae; males without aedeagus.

    |--Australotydeus [Australotydeinae] AF00
    |    `--A. kirstenae AF00
    `--+--Procurvata AF00
       `--+--Pretydeinae AF00
          |    |--Prelorryia indoniensis AF00, A05
          |    `--Pretydeus panitae AF00, A05
          `--Tydeinae AF00
               |--Afrotydeus Baker 1970 ACW01, A05
               |    `--A. munsteri ACW01
               |--Calotydeus Oudemans 1937 [incl. Homeotydeus André 1980, Pseudolorryia Kaźmierski 1989] A05
               |    |--*C. croceus (Linnaeus 1758) (see below for synonymy) A05
               |    |--‘Homeotydeus’ shawi ACW01
               |    `--C. xylocopae Oudemans 1926 A05
               |--Lorryia Oudemans 1925 A05
               |    |--*L. superba Oudemans 1925 A05
               |    |--L. concinnus Oudemans 1929 A05
               |    |--L. ferula WL09
               |    |--L. floridensis ACW01
               |    |--L. formosa ACW01
               |    |--L. mali Oudemans 1929 A05
               |    |--L. marcandrei ACW01
               |    |--L. montrealensis WL09
               |    |--L. pulcher Oudemans 1929 A05
               |    |--L. reticulata (Oudemans 1928) A05 [=Tydeus reticulatus A05; incl. L. bedfordensis WL09]
               |    |--L. schusteri K09a
               |    |--L. turrialbensis A05
               |    `--L. woolleyi DW10
               `--Tydeus Koch 1836 [incl. Orthotydeus André 1980] A05
                    |--*T. spathulatus Oudemans 1928 [=Orthotydeus spathulatus] A05
                    |--T. bakeri K90
                    |--‘Orthotydeus’ bkaasifrini Bayan 1986 ACW01
                    |--T. californicus K90 [=Orthotydeus californicus ACW01]
                    |--T. caudatus (Dugès 1834) [=Tetranychus caudatus, Orthotydeus caudatus] A05
                    |--T. curtus Berlese 1910 SB63
                    |--T. foliorum [=Acarus foliorum; incl. Ty. albellus, Tetranychus virburni] CF77
                    |--T. gloveri [=Orthotydeus gloveri] ACW01
                    |--T. goetzi A05
                    |--T. interruptus Z91
                    |--T. kochi Oudemans 1928 (n. d.) [=Orthotydeus kochi] A05
                    |--‘Orthotydeus’ lindquisti WP99
                    |--T. molestus WL09
                    |--T. mumai ACW01
                    |--T. mutabilis Koch 1838 A05
                    |--T. nicaraguensis M-PV-G01
                    |--T. nieuwkerkeni André 2005 A05
                    |--T. olivaceus Koch 1838 A05
                    |--T. shawi ACW01
                    |--T. tilbrooki K09b
                    |--T. tuttlei Baker 1965 A05
                    |--T. velox Koch 1836 (n. d.) A05
                    `--T. xylocopae A05

Tydeidae incertae sedis:
  Paralorryia Baker 1965 A05
  Tectotydeus Oudemans 1937 A05
    `--*T. demeyeri (Oudemans 1929) [=Tydeus demeyeri] A05
  Brachytydeus Thor 1931 [incl. Raphitydeus Thor 1933] A05
    `--*B. cruciatus (Koch 1838) [=Tydeus cruciatus, Lorryia cruciata] A05
  Stylotydeus Thor 1933 A05
  Lasiotydaeus Berlese 1908 A05
  Eotydeus A05
  Pertydeus A05
  Melissotydeus macrosolenus André 1985 A05
  Venilia liberta K90
  Pronematulus pyrrohippeus WP99

*Calotydeus croceus (Linnaeus 1758) [=Acarus croceus, Homeotydeus croceus, Orthotydeus croceus, Pseudolorryia crocea, Tydeus croceus] A05

*Type species of generic name indicated


[ACW01] Aguilar, H., C. C. Childers & W. C. Welbourn. 2001. Relative abundance and seasonal occurrence of mites in the family Tydeidae on citrus in Florida. In Acarology: Proceedings of the 10th International Congress (R. B. Halliday, D. E. Walter, H. C. Proctor, R. A. Norton & M. J. Colloff, eds) pp. 376-380. CSIRO Publishing: Melbourne.

[A05] André, H. M. 2005. In search of the true Tydeus (Acari, Tydeidae). Journal of Natural History 39 (13): 975-1001.

[AF00] André, H. M., & A. Fain. 2000. Phylogeny, ontogeny and adaptive radiation in the superfamily Tydeoidea (Acari: Actinedida), with a reappraisal of morphological characters. Zoological Journal of the Linnean Society 130: 405-448.

[CF77] Canestrini, G. & F. Fanzago. 1877. Intorno agli Acari Italiani. Atti del Reale Istituto Veneto di Scienze, Lettere ed Arti, Serie 5, 4: 69-208, pls 202-207.

[DW10] Dabert, M., W. Witalinski, A. Kazmierski, Z. Olszanowski & J. Dabert. 2010. Molecular phylogeny of acariform mites (Acari, Arachnida): strong conflict between phylogenetic signal and long-branch attraction artifacts. Molecular Phylogenetics and Evolution 56 (1): 222-241.

[K90] Kethley, J. 1990. Acarina: Prostigmata (Actinedida). In: Dindal, D. L. (ed.) Soil Biology Guide pp. 667-756. John Wiley & Sones: New York.

[K09a] Krantz, G. W. 2009a. Form and function. In: Krantz, G. W. & D. E. Walter (eds) A Manual of Acarology, 3rd ed., pp. 5-53. Texas Tech University Press.

[K09b] Krantz, G. W. 2009b. Habits and habitats. In: Krantz, G. W. & D. E. Walter (eds) A Manual of Acarology, 3rd ed., pp. 64-82. Texas Tech University Press.

[M-PV-G01] Montiel-Parra, G., G. A. Villegas-Guzman, M. Vargas & O. J. Polaco. 2001. Mites associated with nests of Neotoma albigula Hartley, 1894 (Rodentia: Muridae) in Durango, México. In Acarology: Proceedings of the 10th International Congress (R. B. Halliday, D. E. Walter, H. C. Proctor, R. A. Norton & M. J. Colloff, eds) pp. 586-593. CSIRO Publishing: Melbourne.

[SB63] Schweizer, J. & C. Bader. 1963. Die Landmilben der Schweiz (Mittelland, Jura und Alpen): Trombidiformes Reuter, mit 217 Arten und Unterarten und 193 Originalzeichnungen. Denkschriften der Schweizerischen Naturforschenden Gesellschaft [Mémoires de la Société Helvétique des Sciences Naturelles] 84 (2): i-vi, 209-378.

[WL09] Walter, D. E., E. E. Lindquist, I. M. Smith, D. R. Cook & G. W. Krantz. 2009. Order Trombidiformes. In: Krantz, G. W. & D. E. Walter (eds) A Manual of Acarology, 3rd ed., pp. 233-420. Texas Tech University Press.

[WP99] Walter, D. E. & H. C. Proctor. 1999. Mites: Ecology, Evolution and Behaviour. CABI Publishing: Wallingford (UK).

[Z91] Žd’árková, E. 1991. Applications of the bio-preparation “Cheyletin” in empty stores. In: Dusbábek, F. & V. Bukva (eds) Modern Acarology: Proceedings of the VIII International Congress of Acarology, held in České Budĕjovice, Czechoslovakia, 6–11 August 1990 vol. 1 pp. 607-610. SPB Academic Publishing: The Hague.

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