Acariformes

Parhypochthonius aphidinus, from Norton & Behan-Pelletier (2009, A Manual of Acarology).


Belongs within: Arachnida.
Contains: Liochthonius, Sellnickochthonius, Brachychthonius, Palaeosomata, Hypochthonioidea, Heterochthonioidea, Cosmochthonioidea, Epilohmanniidae, Ptyctima, Perlohmanniidae, Desmonomata, Endeostigmata, Sphaerolichida, Prostigmata.

The Acariformes are one of the two groups of arachnids known as mites (the other being the Parasitiformes); whether the mites as a whole are a monophyletic group remains open to much debate. Acariformes are characterised by the integration of the leg coxae into the venter of the podosoma, often forming coxisternal plates, and include two major subgroups, the Trombidiformes and the Sarcoptiformes. The Trombidiformes lack a rutella on the subcapitulum and ancestrally have two pairs of setae in row c (the anteriormost row on the opisthosoma) whereas Sarcoptiformes usually possess a rutella or pseudorutella and most commonly have three or four pairs of setae in row c (Lindquist et al. 2009).

The Sarcoptiformes include the armoured oribatids, the dust mites and related taxa in the Astigmata, and a small number of plesiomorphic taxa generally grouped as the Endeostigmata (a potentially paraphyletic grouping). The Oribatida, beetle mites, are characterised by a more or less sclerotised body, though it is now widely accepted that the oribatids are paraphyletic to the less heavily sclerotised Astigmata. A number of basal oribatids retain a segmented notogaster, but in various subgroups the notogaster has become fused into a single sclerite. The genera Elliptochthonius, Parhypochthonius and Gehypochthonius the notogaster is divided by a single transverse scissure between setal rows c and d and the mite as a whole is weakly sclerotised and pale in coloration. In all oribatids except the basal Palaeosomata, the basifemur and telofemur of the legs have become fused, leaving the legs with five free segments (not counting the pretarsus).

<==Acariformes [Actinochitinosi, Actinotrichida, Cursoria]
    |--Sarcoptiformes LSE13
    |    |  i. s.: Protacarus crani Hirst 1923 WP99, S61
    |    |--Oribatida (see below for synonymy) DW10
    |    |    |  i. s.: Devonacarus Norton, Bonamo et al. 1988 [Devonacaridae] NB88
    |    |    |           `--*D. sellnicki Norton, Bonamo et al. 1988 NB88
    |    |    |         Protochthonius Norton, Bonamo et al. 1988 [Protochthoniidae] NB88
    |    |    |           `--*P. gilboa Norton, Bonamo et al. 1988 NB88
    |    |    |         Brachychthoniidae [Brachychthonioidea] MH04
    |    |    |           |--Liochthonius S04
    |    |    |           |--Sellnickochthonius S04
    |    |    |           |--Brachychthonius S04
    |    |    |           |--Papillochthonius Gil-Martín, Subías & Arillo 1992 S04
    |    |    |           |    `--*P. astatus Gil-Martín, Subías & Arillo 1992 S04
    |    |    |           |--Neobrachychthonius Moritz 1976 S04
    |    |    |           |    |--*N. marginatus (Forsslund 1942) (see below for synonymy) S04
    |    |    |           |    `--N. magnus Moritz 1976 [=N. marginatus magnus] S04
    |    |    |           |--Synchthonius Hammen 1952 S04
    |    |    |           |    |--S. crenulatus (Jacot 1938) (see below for synonymy) S04
    |    |    |           |    `--S. elegans Forsslund 1957 S04
    |    |    |           |--Poecilochthonius Balogh 1943 S04 [=Poecilochtonius CH98]
    |    |    |           |    |--*P. italicus (Berlese 1910) [=Brachychthonius brevis italicus] S04
    |    |    |           |    |--P. parallelus (Womersley 1945) [=Brachychthonius parallelus] S04
    |    |    |           |    `--P. spiciger (Berlese 1910) (see below for synonymy) S04
    |    |    |           |--Neoliochthonius Lee 1982 (see below for synonymy) S04
    |    |    |           |    |--*N. piliforus (Frosslund 1942) [=Brachychthonius piliforus] S04
    |    |    |           |    |--N. globuliferus (Strenzke 1951) S04 (see below for synonymy)
    |    |    |           |    `--N. occultus (Niedbała 1971) [=Liochthonius occultus] S04
    |    |    |           |--Mixochthonius Niedbała 1972 S04
    |    |    |           |    |--*M. pilosetosus (Forsslund 1942) [=Brachychthonius pilosetosus] S04
    |    |    |           |    |--M. concavus (Chinone 1974) [=Liochthonius concavus] S04
    |    |    |           |    |--M. laticeps NP91
    |    |    |           |    `--M. moritzi Evison 1981 S04
    |    |    |           |--Verachthonius Moritz 1976 S04
    |    |    |           |    |--*V. laticeps (Strenzke 1951) [=Brachychthonius laticeps] S04
    |    |    |           |    |--V. congruus Moritz 1976 S04
    |    |    |           |    |--V. diversus Moritz 1976 S04
    |    |    |           |    |--V. montanus (Hammer 1952) [=Eobrachychthonius montanus] S04
    |    |    |           |    |--V. moritzi Lee 1982 S04
    |    |    |           |    `--V. pseudolaticeps (Subías 1977) [=Liochthonius pseudolaticeps] S04
    |    |    |           `--Eobrachychthonius Jacot 1936 S04
    |    |    |                |--E. latior (Berlese 1910) [=Brachychthonius latior] S04
    |    |    |                |    |--E. l. latior (see below for synonymy) S04
    |    |    |                |    `--E. l. strictior Lombardini 1963 (n. d.) S04
    |    |    |                |--E. borealis Forsslund 1942 S04
    |    |    |                |--E. longisetosus Csiszár 1960 S04
    |    |    |                |--E. mooseri (Hammen 1951) [=Brachychthonius mooseri] S04
    |    |    |                |--E. oudemansi Hammer 1952 [incl. E. argentinensis Hammer 1958] S04
    |    |    |                |--E. setus Sergienko 1992 S04
    |    |    |                `--E. similis Mahunka 1979 S04
    |    |    |         Elliptochthonius Norton 1975 [Elliptochthoniidae] S04
    |    |    |           `--*E. profundus Norton 1975 S04
    |    |    |--Palaeosomata PL17
    |    |    `--+--Hypochthonioidea PL17
    |    |       `--+--+--Parhypochthonius Berlese 1904 PL17, S04 [Parhypochthoniidae]
    |    |          |  |    |--*P. aphidinus Berlese 1904 (see below for synonymy) S04
    |    |          |  |    |--P. africanus Balogh 1958 (n. d.) S04
    |    |          |  |    |--P. asiaticus Mahunka 1997 S04
    |    |          |  |    |--P. botschi Schweizer 1956 (n. d.) S04
    |    |          |  |    |--P. dubiosus Schweizer 1956 (n. d.) S04
    |    |          |  |    |--P. macrorostrum Schweizer 1956 (n. d.) S04
    |    |          |  |    |--P. nivalis Schweizer 1956 (n. d.) S04
    |    |          |  |    |--P. pilosus Mahunka 1991 S04
    |    |          |  |    `--P. stabelchodi Schweizer 1956 (n. d.) S04
    |    |          |  `--+--Heterochthonioidea PL17
    |    |          |     `--Atopochthonioidea MH04
    |    |          |          |--Phyllochthonius Travé 1967 [Phyllochthoniidae] S04
    |    |          |          |    `--*P. aoutii Travé 1967 S04
    |    |          |          |--Pterochthonius Berlese 1913 S04 [Pterochthoniidae PL17, Pterochthonioidea]
    |    |          |          |    `--*P. angelus (Berlese 1910) [=Cosmochthonius angelus] S04
    |    |          |          `--Atopochthonius Grandjean 1949 [Atopochthoniidae] S04
    |    |          |               |--*A. artiodactylus Grandjean 1949 S04
    |    |          |               `--A. maimaensis Grishina 1971 S04
    |    |          `--+--+--Eulohmannia Berlese 1910 PL17, S04 (see below for synonymy)
    |    |             |  |    `--*E. ribagai (Berlese 1910) (see below for synonymy) S04
    |    |             |  `--+--Gehypochthonius Jacot 1936 PL17, S04 [Gehypochthoniidae]
    |    |             |     |    |--*G. rhadamanthus Jacot 1936 S04 [=G. rhadamantus (l. c.) H98]
    |    |             |     |    |--G. antonii Lombardini 1962 (n. d.) S04
    |    |             |     |    |--G. frondifer Aoki 1975 S04
    |    |             |     |    |--G. gracilis Pankov 2002 S04
    |    |             |     |    |--G. marianoi Martínez & Laborde 2000 S04
    |    |             |     |    |--G. strenzkei Lee 1982 S04
    |    |             |     |    |--G. urticinus (Berlese 1910) [=Parhypochthonius urticinus] S04
    |    |             |     |    `--G. xarifae Strenzke 1963 S04
    |    |             |     `--Cosmochthonioidea PL17
    |    |             `--+--+--Epilohmanniidae PL17
    |    |                |  `--Ptyctima PL17
    |    |                `--+--Perlohmanniidae PL17
    |    |                   `--Desmonomata PL17
    |    `--Endeostigmata DW10
    `--Trombidiformes [Actinedida, Thrombidoidea] LKW09
         |--Sphaerolichida WL09
         `--Prostigmata WL09

Eobrachychthonius latior latior (Berlese 1910) [incl. Brachychthonius brevis glabra Thor 1930, E. grandis Sellnick 1944, *E. sexnotatus Jacot 1936] S04

Eulohmannia Berlese 1910 PL17, S04 [incl. Arthronothrus Trägardh 1910 S04; Eulohmanniidae, Eulohmannioidea]

*Eulohmannia ribagai (Berlese 1910) [=Lohmannia (*Eulohmannia) ribagai; incl. Arthronothrus biunguiculatus Trägardh 1910] S04

*Neobrachychthonius marginatus (Forsslund 1942) [=Brachychthonius marginatus; incl. B. neosimplex Schweizer 1956] S04

Neoliochthonius Lee 1982 [incl. Moritzichthonius Pereda & Iturrondobeitia 1990, Paraliochthonius Moritz 1976 non Beier 1956] S04

Neoliochthonius globuliferus (Strenzke 1951) S04 [=Brachychthonius globuliferus S04, Paraliochthonius globuliferus BB92]

Oribatida [Archoribatida, Arthronota, Arthronotina, Arthroptyctima, Cryptostigmata, Dichostomata, Enarthronota, Enarthronotides, Holonota, Macropylina, Mixonomata, Mixonomatides, Monofemorata, Monofissurae, Novoribatida, Oribatei, Oribatidae, Oribatini, Parhypochthonata, Parhypochthonina, Parhypochthonioidea, Parhyposomata, Parhyposomatides] DW10

*Parhypochthonius aphidinus Berlese 1904 [incl. P. aphidinus germanicus Willmann 1931, P. aphidinus octofilamentis Jacot 1938] S04

Poecilochthonius spiciger (Berlese 1910) [=Brachychthonius brevis spiciger; incl. B. rapoporti Balogh & Mahunka 1968] S04

Synchthonius crenulatus (Jacot 1938) [=Brachychochthonius crenulatus; incl. *S. boschmai Hammen 1952] S04

*Type species of generic name indicated

REFERENCES

[BB92] Balogh, J., & P. Balogh. 1992. The Oribatid Mites Genera of the World vol. 2. Plates. Hungarian Natural History Museum: Budapest.

[CH98] Colloff, M. J., & R. B. Halliday. 1998. Oribatid Mites: A catalogue of Australian genera and species. CSIRO Publishing: Collingwood.

[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.

[H98] Halliday, R. B. 1998. Mites of Australia: A checklist and bibliography. CSIRO Publishing: Collingwood.

[LSE13] Legg, D. A., M. D. Sutton & G. D. Edgecombe. 2013. Arthropod fossil data increase congruence of morphological and molecular phylogenies. Nature Communications 4: 2485.

[LKW09] Lindquist, E. E., G. W. Krantz & D. E. Walter. 2009. Classification. In: Krantz, G. W., & D. E. Walter (eds) A Manual of Acarology 3rd ed. pp. 97–103. Texas Tech University Press.

[MH04] Maraun, M., M. Heethoff, K. Schneider, S. Scheu, G. Weigmann, J. Cianciolo, R. H. Thomas & R. A. Norton. 2004. Molecular phylogeny of oribatid mites (Oribatida, Acari): evidence for multiple radiations of parthenogenetic lineages. Experimental and Applied Acarology 33 (3): 183–201.

[NB88] Norton, R. A., P. M. Bonamo, J. D. Grierson & W. A. Shear. 1988. Oribatid mite fossils from a terrestrial Devonian deposit near Gilboa, New York. Journal of Paleontology 62 (2): 259–269.

[NP91] Norton, R. A., & S. C. Palmer. 1991. The distribution, mechanisms and evolutionary significance of parthenogenesis in oribatid mites. In: Schuster, R., & P. W. Murphy (eds) The Acari: Reproduction, development and life-history strategies pp. 107–136. Chapman & Hall: London.

[PL17] Pachl, P., A. C. Lindl, A. Krause, S. Scheu, I. Schaefer & M. Maraun. 2017. The tropics as an ancient cradle of oribatid mite diversity. Acarologia 57 (2): 309–322.

[S61] Southcott, R. V. 1961. Studies on the systematics and biology of the Erythraeoidea (Acarina), with a critical revision of the genera and subfamilies. Australian Journal of Zoology 9: 367–610.

[S04] Subías, L. S. 2004. Listado sistemático, sinonímico y biogeográfico de los ácaros oribátidos (Acariformes, Oribatida) del mundo (1758–2002). Graellsia 60 (número extraordinario): 3–305.

[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).

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