Feltria

Feltria sp., copyright Andrea J. Radwell & Ian M. Smith.

Belongs within: Neohydrachnidia.

Feltria is a genus of water mites found in springs and streams in Eurasia and North America. Their larvae are parasites of Chironomidae (Walter et al. 2009).

Characters (from Walter et al. 2009): Adults with sclerotisation of dorsum varying from scattered platelets of varying size up to a complete dorsal shield; palptibia lacking a peg-like seta; integument between coxal plates IV and genital field with two pairs of glandularia arranged more or less in a row. Larvae with dorsal and coxal plates, and leg sclerites, conspicuously longitudinally striate; cheliceral bases fused; coxal plates I separate from posterior coxal group on each side; one pair of urstigmata borne distally between coxal plates I-II; coxal plates III rounded posteriorly; legs with five movable segments, leg tarsi bearing paired claws; tibia I bearing seven setae (and two solenidia), lacking Ti10 and Ti11; tarsi I-II bearing ten setae and one solenidion.

<==Feltria Koenike 1892 [Feltriidae]
    |  i. s.: F. anahoffmannae WL09
    |         F. armata Koenike 1902 VBB91
    |         F. minuta Koenike 1892 GS91
    |         F. setigera CS91
    |         F. wyomingensis WL09
    |--F. (Feltria) S86
    |    |--F. (F.) cataphracta Cook 1963 S86
    |    |--F. (F.) conica Imamura 1957 S86
    |    |--F. (F.) conjuncta Viets 1953 S86
    |    |--F. (F.) cornuta S86
    |    |    |--F. c. cornuta S86
    |    |    |--F. c. americana Cook 1963 S86
    |    |    |--F. c. longispina S86
    |    |    `--F. c. paucipora Szalay 1946 S86
    |    |--F. (F.) cornutopsis Cook 1963 S86
    |    |--F. (F.) denticulata Angelier 1949 S86
    |    |--F. (F.) disjuncta Walter 1947 S86
    |    |--F. (F.) echinopalpis Cook 1963 S86
    |    |    |--F. e. echinopalpis S86
    |    |    `--F. e. projecta Cook 1970 S86
    |    |--F. (F.) exilis Cook 1970 S86
    |    |--F. (F.) faceta Cook 1963 S86
    |    |--F. (F.) falcicorna Cook 1970 S86
    |    |--F. (F.) fossea van Rendsburg 1971 S86
    |    |--F. (F.) gennada Cook 1963 S86
    |    |--F. (F.) obihiroensis Imamura 1962 S86
    |    |--F. (F.) pectinifera Szalay 1946 S86
    |    |--F. (F.) phreaticola Schwoerbel 1961 S86
    |    |--F. (F.) stygophila Waltrer 1947 S86
    |    `--F. (F.) subterranea Viets 1937 S86
    |--F. (Azugofeltria Motas & Tanasachi 1948) S86
    |    |--F. (A.) acutipalpis (Habeeb 1954) S86
    |    |--F. (A.) insolita (Walter 1947) S86
    |    |--F. (A.) matsumotoi (Imamura 1959) S86
    |    |--F. (A.) mira (Motas & Tanasachi 1948) S86
    |    |--F. (A.) miura (Imamura 1957) S86
    |    |--F. (A.) motasi (Schwoerbel 1961) S86
    |    `--F. (A.) testudo (Cook 1970) S86
    |--F. (Feltriella Viets 1930) S86
    |    |--F. (F.) airoloensis van Rendsburg 1971 S86
    |    `--F. (F.) golatensis van Rendsburg 1971 S86
    `--F. (Neofeltria Cook 1963) S86
         |--F. (N.) similis Cook 1963 S86
         `--F. (N.) virginiensis Cook 1963 S86

*Type species of generic name indicated

REFERENCES

[CS91] Cicolani, B., & A. Di Sabatino. 1991. Sensitivity of water mites to water pollution. 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. 465-474. SPB Academic Publishing: The Hague.

[GS91] Gerecke, R., & J. Schwoerbel. 1991. Water quality and water mites (Acari, Actinedida) in the Upper Danube region, 1959-1984. 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. 483-491. SPB Academic Publishing: The Hague.

[S86] Schwoerbel, J. 1986. Acari: “Hydrachnellae”. In Stygofauna Mundi: A Faunistic, Distributional, and Ecological Synthesis of the World Fauna inhabiting Subterranean Waters (including the Marine Interstitial) (L. Botosaneanu, ed.) pp. 652-696. E. J. Brill / Dr. W. Backhuys: Leiden.

[VBB91] Valdecasas, A. G., A. Baltanás & E. Bello. 1991. A preliminary assessment of single rocks for sampling water mites. 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. 503-507. SPB Academic Publishing: The Hague.

[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, pp. 233-420. Texas Tech University Press.