Tetranychus canadensis (McGregor, 1950)

Classification

Tetranychidae - Tetranychinae - Tetranychini - Tetranychus

Accepted name

Tetranychus canadensis (McGregor, 1950). McGregor (1950): 319.

Original description

Septanychus canadensis McGregor, 1950. McGregor (1950): 319.

Type host: Malus domestica. Type distribution: Canada.

Summary

  • Nomenclature
  • Identification
  • Hosts
  • Distribution
  • Literature
  • Distribution Map (opens a new window)
  • External databases

  • View GBIF data
  • View GenBank data

  • Nomenclature and taxonomy

         Septanychus canadensis McGregor, 1950. Valid nomenclatural act McGregor (1950): 319. Type host: Malus domestica. Type distribution: Canada.
    Tetranychus canadensis (McGregor, 1950). New combination Pritchard & Baker (1952): 267.
    Tetranychus (Polynychus) canadensis (McGregor, 1950). New combination Tuttle & Baker (1968): 130.


    Identification tools

    Original description and illustration literature
    [Original description] McGregor (1950)


    Complementary description and illustration literature (1 reference)
    Liu et al. (2020)

    Hosts (73 plants, 15 references)


    Amaranthaceae: Atriplex canescens Tuttle & Baker (1964) Atriplex polycarpa Tuttle & Baker (1964) Atriplex semibaccata Tuttle & Baker (1968)
    Anacardiaceae: Anacardium occidentale Atencio et al. (2025) Rhus typhina Seeman & Beard (2011)
    Apocynaceae: Asclepias sp. Tuttle & Baker (1964) Matelea carolinensis Thewke & Enns (1969)
    Asparagaceae: Polygonatum biflorum
    Betulaceae: Corylus avellana Thewke & Enns (1969)
    Bromeliaceae: Navia angustifolia Tuttle & Baker (1964)
    Caprifoliaceae: Diervilla sp. Symphoricarpos orbiculatus Thewke & Enns (1969)
    Convolvulaceae: Convolvulus arvensis Seeman & Beard (2011) Ipomoea batatas
    Fabaceae: Cercis canadensis Thewke & Enns (1969) Gymnocladus dioica Phaseolus sp. Robinia pseudoacacia Thewke & Enns (1969) Trifolium pratense
    Fagaceae: Castanea sp. Fagus grandifolia Reeves (1963)
    Hamamelidaceae: Hamamelis virginiana
    Juglandaceae: Carya cordiformis Reeves (1963)
    Lauraceae: Sassafras albidum Thewke & Enns (1969)
    Magnoliaceae: Liriodendron tulipifera Liu et al. (2020) Magnolia sp. Pritchard & Baker (1955)
    Malvaceae: Abelmoschus esculentus Alcea rosea Gossypium hirsutum Pritchard & Baker (1955) Liu et al. (2020) Tilia americana Reeves (1963) Tilia sp. Pritchard & Baker (1955)
    Meliaceae: Azadirachta indica Melia azedarach Bibby & Tuttle (1959) Tuttle & Baker (1964)
    Moraceae: Maclura pomifera Pritchard & Baker (1955) Morus alba Thewke & Enns (1969) Morus sp. Liu et al. (2020)
    Oleaceae: Fraxinus pennsylvanica Fraxinus sp. Tuttle & Baker (1976) Liu et al. (2020) Fraxinus velutina Tuttle & Baker (1964) Liu et al. (2020)
    Poaceae: Echinochloa colonum Tuttle & Baker (1964) Hordeum vulgare Secale cereale Triticum aestivum Zea mays
    Ranunculaceae: Thalictrum fendleri Tuttle & Baker (1968)
    Rosaceae: Crataegus sp. Thewke & Enns (1969) Malus baccata Malus domestica McGregor (1950) Pritchard & Baker (1955) Liu et al. (2020) Malus pumila Marić et al. (2021) Malus sp. Thewke & Enns (1969) Potentilla hippiana Tuttle & Baker (1968) Prunus cerasifera Marić et al. (2021) Prunus domestica Lienk & Chapman (1951) Pritchard & Baker (1955) Marić et al. (2021) Prunus persica Thewke & Enns (1969) Liu et al. (2020) Prunus sp. Thewke & Enns (1969) Liu et al. (2020) Prunus virginiana Rosa multiflora Thewke & Enns (1969) Rosa sp. Pritchard & Baker (1955) Rubus hirtus Marić et al. (2021) Rubus sp. Thewke & Enns (1969)
    Rutaceae: Zanthoxylum americanum Thewke & Enns (1969)
    Salicaceae: Populus deltoides Thewke & Enns (1969) Populus sp. Pritchard & Baker (1955)
    Sapindaceae: Acer saccharinum Thewke & Enns (1969) Aesculus hippocastanum Pritchard & Baker (1955) Liu et al. (2020)
    Solanaceae: Solanum elaeagnifolium Seeman & Beard (2011) Solanum lycopersicum
    Ulmaceae: Ulmus americana Reeves (1963) Liu et al. (2020) Ulmus laevis Boczek & Kropczynska (1964) Ulmus rubra Reeves (1963) Ulmus sp. Pritchard & Baker (1955) Liu et al. (2020)
    Viburnaceae: Viburnum opulus Tuttle & Baker (1964) Viburnum sp. Thewke & Enns (1969)


    Distribution (6 countries, 13 references)


    Nearctic: Canada McGregor (1950) Pritchard & Baker (1955) Liu et al. (2020) United States Baker & Pritchard (1953a) Pritchard & Baker (1955) Bibby & Tuttle (1959) Tuttle & Baker (1964) Tuttle & Baker (1976) Seeman & Beard (2011) Liu et al. (2020)
    Neotropical: Panama Atencio et al. (2025)
    Palearctic: Hungary Hetenyi (1954) Poland Boczek & Kropczynska (1964) Serbia Marčić et al. (2020) Marić et al. (2021)


    Literature (18 references in chronological order)


    McGregor (1950) Mites of the family Tetranychidae. American Midland Naturalist, 44: 257-420 [description; distribution; host]
    Lienk & Chapman (1951) Orchard mite studies in 1950. Journal of Economic Entomology, 44 (3): 301-306 [host]
    Pritchard & Baker (1952) A guide to the spider mites of deciduous fruit trees. Hilgardia, 21 (9): 253-287 [taxononmy]
    Baker & Pritchard (1953a) A Guide to the spider mites of cotton. Hilgardia, 22: 203-234 [distribution]
    Hetenyi (1954) A gyapoton é lö takacsatkak (Tetranychus urticae Koch) és az ellen ük valo védekezés. Növényvédelen, (Plantprotection), 1: 11-19 [distribution]
    Pritchard & Baker (1955) A revision of the spider mite family Tetranychidae. Memoirs Series, San Francisco, Pacific Coast Entomological Society, 2: 472 p [distribution; host]
    Bibby & Tuttle (1959) Notes on phytophagous and predatory mites of Arizona. Journal of Economic Entomology, 52 (2): 186-190 [distribution; host]
    Reeves (1963) Tetranychidae infesting woody plants in New York State, and a life history study of the elm mite Eotetranychus matthyssei n. sp.. Cornell University Agricultural Station Mem.: 99 p [host]
    Boczek & Kropczynska (1964) Studies on mites (Acarina) living on plants in Poland. I. Fragmenta Faunistica Warszawa, 11 (12): 161-188 [distribution; host]
    Tuttle & Baker (1964) The spider mites of Arizona (Acarina : Tetranychidae). Agricultural Experiment Station, University of Arizona, Technical Bulletin, 158: 1-41 [distribution; host]
    Tuttle & Baker (1968) Spider mites of southwestern United States, a revision of the family Tetranychidae. Tucson, Usa, The University of Arizona Press: 143 p [host; taxononmy]
    Thewke & Enns (1969) The spider-mite complex (Acarina : Tetranychoidae) in Missouri. Museum contributions, Columbia, Missouri, USA, University of Missouri, Monograph No. 1: 106 p [host]
    Tuttle & Baker (1976) New records, species of Tetranychidae and Tenuipalpidae (Acarina) from Utah and Idaho. Great Basin Naturalist, 36: 57-64 [distribution; host]
    Seeman & Beard (2011) Identification of exotic pest and Australian native and naturalised species of Tetranychus (Acari: Tetranychidae). Zootaxa, 2961: 1-72 [distribution; host]
    Liu et al. (2020) Ontogenetic and morphological studies on Tetranychus canadensis (Acari: Tetranychidae). Zootaxa, 4857: 215-250 [description; distribution; host; illustration]
    Marčić et al. (2020) New records of spider mites for Serbia and the Balkans, Europe. IOBC-WPRS Bulletin, 149: 23-24 [distribution]
    Marić et al. (2021) Spider mites (Acari: Tetranychidae) from Serbia: new species for the country and the Balkan Peninsula, with a key to all known Serbian species. Systematic and Applied Acarology, 26 (1): 304-316 [distribution; host]
    Atencio et al. (2025) Ácaros asociados a mango y marañón en la región pacifica de provincias centrales de Panamá. Tropical and Subtropical Agroecosystems, 28 (3): 118 [distribution; host]