Abstract
A new taxon of mesostigmatid mite of the suborder Uropodina is described from damp, rotten straw associated with Dutch barns in NW England. Mixturopoda evansi gen. nov., sp. nov. possesses character states that have not previously been recorded in uropodines, e.g., the female genital shield bears setae st5 and is located behind coxae IV but not within the ventral shield, and barsitarsi II–IV lack seta pd3. Other states are a combination of those used to diagnose currently recognized superfamilies, e.g., subcylindrical, separated coxae I that are inserted in the gnathopodal cavity, absence of pedofossae and paragynial shields, and adult dorsal and marginal shields and deutonymphal dorsal shield undivided. Mixturopoda evansi is placed in the family Metagynuridae on the basis of the posterior position of the female genital shield. Amendments to the diagnoses of the Metagynuridae and its type genus, Metagynella, are proposed.References
Ainscough, B.D. (1981) Uropodine studies. I. Suprageneric classification in the cohort Uropodina Kramer, 1882 (Acari: Mesostigmata). International Journal of Acarology, 7, 47–56.
Athias-Binche, F. & Evans, G.O. (1981) Observations on the genus Protodinychus Evans, 1957 (Acari: Mesostigmata) with descriptions of the male and phoretic deuteronymph. Proceedings of the Royal Irish Academy, 81B, 25–36.
Bal, D.A. & Özkan, M. (2007) Uropoda abantica n.sp., a new mesostigmatid mite (Acari: Uropodidae) from Turkey. International Journal of Acarology, 33, 41–47.
Balogh, J. (1943) Metagynura carpathica gen. nov., spec. nov. (Acari, Uropodina) e Carpathiis Meridionalibus. Fragmenta Faunistica Hungarica, 6(2), 33–35.
Berlese, A. (1888) Acari, Myriopoda, et Scorpiones, hucusque in Italia reperta. Fascicola 49 (8). Padova.
Berlese, A. (1913) Acarotheca Italica. Ricci, Firenze, 221 pp.
Berlese, A. (1918) Intorno agli Uropodidae. Redia, 13, 7–16.
Berlese, A. (1919) In: Trouessart, E. & Berlese, A. (1919) Generi nuovi di Acari. Redia, 14, 4.
Błoszyk, J. & Halliday, R.B. (2000) Observations on the genus Polyaspinus Berlese 1916 (Acari: Trachytidae). Systematic & Applied Acarology, 5, 47–64.
Błoszyk, J. & Leoniak, B. (1986) Leg chaetotaxy of Oodinychus karawaiewi Berl., 1903 (Acari, Uropodina) based on observations by Evans (1972) and author's data. Przeglad Zoologiczny, 30(4), 391–401. [in Polish]
Błoszyk, J. & Leoniak, B. (1995) Variability of leg chaetotaxy of Oodinychus ovalis (C. L. Koch, 1839) and Leiodinychus orbicularis (C. L. Koch, 1839) (Acari; Uropodina). Biological Bulletin of Poznan, 32, 89–102.
Błoszyk, J., Halliday, R.B. & Dylewska, M. (2005) Acroseius womersleyi gen. nov., sp. nov., a new genus and species of Uropodina from Australia (Acari: Trachytidae). Systematic & Applied Acarology, 10, 41–60.
Camin, J.H. (1953) Metagynellidae, a new family of uropodine mite, with the description of Metagynella parvula, a new species from tree holes. Bulletin of the Chicago Academy of Sciences, 9(18), 391–409.
Evans, G.O. (1963) Observations on the chaetotaxy of the legs in the free-living Gamasina (Acari: Mesostigmata). Bulletin of the British Museum (Natural History) (Zoology), 10, 275–303.
Evans, G.O. (1964a) Some observations on the chaetotaxy of the pedipalps in the Mesostigmata (Acari). Annals & Magazine of Natural History, (Series 13), 6, 513–527.
Evans, G.O. (1964b) Errata. Some observations on the chaetotaxy of the pedipalps in the Mesostigmata (Acari). Annals & Magazine of Natural History, (Series 13), 7, 63.
Evans, G.O. (1972) Leg chaetotaxy and the classification of the Uropodina (Acari: Mesostigmata). Journal of Zoology, London, 167, 193–206.
Evans, G.O. (1989) Suborder Uropodina. In: Evans, G.O. (Ed.), Volume 1. Classification of the Acari and Anactinotrichida (excluding Metastigmata). Practical Manual, International Course in Acarology, Department of Pure & Applied Zoology, University of Reading, UK, pp. 121–136.
Evans, G.O. & Till, W.M. (1979) Mesostigmatic mites of Britain and Ireland (Chelicerata: Acari-Parasitiformes). An introduction to their external morphology and classification. Transactions of the Zoological Society of London, 35, 139–270.
Halbert, J.N. (1915) Clare Island Survey. 39. Acarinida. Section ii. Terrestrial and marine Acarina. Proceedings of the Royal Irish Academy, 31, 45–136.
Hiramatsu, N. & Hirschmann, W. (1976) Gangsystematik der Parasitiformes. Teil 232. Gangchätogramme, Intragangvergleich der Haare auf Palpen un Beinen von Uropoda gibba, Uropoda pulverea, Uropoda spiculata, Trichouropoda nigella und Oplitis nagasakiensis. Acarologie, 22, 69–95.
Hirschmann, W. (1975) Teilgangsystematik der Parasitiformes. Teil 1. Larvalsystematische Gleiderung des Suborder Mesostigmata (Teilgang: Larve, Protonymphe, Deutonymphe). Novae Supercohortes Trichopygidiina Hirschmann 1975, Atrichopygidiina Hirschmann 1975. Nova Cohors Trachyuropodina Hirschmann 1975. Acarologie, 21, 93–100.
Hirschmann, W. (1979) Stadiensystematik der Parasitiformes. Teil 1. Stadienfamilien und Stadiengattungen der Atrichopygidiina, erstellt im Vergleich zum Gangsystem Hirschmann 1979. Acarologie, 26, 57–70.
Hirschmann, W. (1983) Gangsystematik der Parasitiformes. Teil 431. Segmentalchaetotaxie der Beine und Palpen und die Systematik der Uropodiden. Acarologie, 30, 78–100.
Hirschmann, W. & Zirngiebl-Nicol, I. (1964) Gangsystematik der Parasitiformes. Teil 7. Uropodiden. Das Gangsystem der Familie Uropodidae (Berlese 1892) Hirschmann und Zirngiebl-Nicol nov. comb. Bestimmungstabellen, Kurzdiagnosen, Operculum-Bestimmungstabellen. Acarologie, 6, 1–22.
Hirschmann, W. & Zirngiebl-Nicol, I. (1969) Gangsystematik der Parasitiformes. Teil 58. Typus der Gattung Metagynella Berlese 1919. Acarologie, 12, 81–83.
Karg, W. (1989) Acari (Acarina), Milben. Unterordnung Parasitiformes (Anactinochaeta). Uropodina Kramer, Schildkrötenmilben. Die Tierwelt Deutschlands, 67, 1–203.
Krantz, G.W. (1978) A Manual of Acarology, 2nd edition. Oregon State University, Corvallis, Oregon, 509 pp.
Krantz, G.W. & Ainscough, B.D. (1990) Acarina: Mesostigmata (Gamasida). In: Dindal, D. (Ed.), Soil Biology Guide. Wiley, New York etc., pp. 583–665.
Mašán, P. (2001) Roztoce kohorty Uropodina (Acarina, Mesostigmata) Slovenska. [Mites of the cohort Uropodina (Acarina, Mesostigmata) in Slovakia.] Annotationes Zoologicae et Botanicae, 223, 1–320.
Nicol, I. (1979) Gangsystematik der Parasitiformes. Teil 337. Die von 1917 bis 1961 aufgestellten Uropodiden-Systeme und eine kritische Betrachtung der Adultensysteme von Berlese, Trägårdh, Vitzthum, Baker & Wharton. Acarologie, 26, 4–15.
Ryke, P.A.J. (1958) South African mites of the superfamily Uropodoidea (Acarina). Proceedings of the Zoological Society of London, 130(2), 217–230.