Mesotritia nuda (Berlese, 1887)
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publication ID |
https://doi.org/ 10.3906/zoo-1311-28 |
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persistent identifier |
https://treatment.plazi.org/id/03E08790-2503-FFFA-FF48-FF29FE5CFACB |
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treatment provided by |
Felipe |
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scientific name |
Mesotritia nuda |
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Species composition: M. nuda View in CoL (3), A. ardua (3), M. tropica (2).
Pavilion 6
a) Rotten wood from a log brought in from the communal forest Dębina in Poznan in 2003, 02.II.2012, leg. K. Zawierucha .
Species composition: M. nuda (1), E. cribrarius (3).
Pavilion 7
a) Dry leaves under plants, 06.II.2012, leg. K. Zawierucha .
Species composition: M. nuda (2).
Pavilion 8
a) Litter under plants, 02.II.2012, leg. K. Zawierucha .
Species composition: M. nuda (12), A. ardua (1), P. phoxos (2).
In total, 5 species were found. All of them have been reported from the palm house in Poznań (Niedbała, 2010), and 3 of them are native species: Mesotritia nuda (Berlese, 1887) , Euphthiracarus cribrarius (Berlese, 1904) , and Acrotritia ardua (C.L. Koch, 1841) . There were 2 exotic species, pantropical Microtritia tropica Märkel, 1964 and neotropical Phthiracarus phoxos Niedbala, 2004 , which have been present in the Poznań palm house for at least 3 years (Niedbała, 2010).
Palm house in Łódź
Pavilion I
1. Under rotting banana palm, 15.XII.2012, leg. K. Zawierucha .
Species composition: A. ardua (2).
Pavilion II
1. Rotten wood and soil near Bromelia sp. , 15.XII.2012, leg. K. Zawierucha .
Species composition: Phthiracarus ferrugineus (C.L. Koch, 1841) (9).
2. Litter under bamboo trees, 15.XII.2012, leg. K. Zawierucha .
Species composition: A. ardua (2), Hypochthonius luteus Oudemans, 1917 (1).
3. Soil from under logs near Bromelia sp. , 15.XII.2012, leg. K. Zawierucha .
Species composition: Mesoplophora (Mesoplophora) michaeliana (3), P. ferrugineus (4), H. luteus (1).
Two of the species ( P. ferrugineus and A. ardua ) had already been reported from the palm house in Poznań (Niedbała 2010), and 1 species has been found for the first time in palm houses and in Poland. Mesoplophora (M.) michaeliana is generally a very rare southwestern Palearctic (Niedbała 2011) species.
In 2 samples, representatives of another Oribatida species, Palearctic Hypochthonius luteus , were found.
Juvenile stages are known only for a few species of ptyctimous mites of all Euptyctima, 2 Phthiracaridae , and 5 Euphthiracaroidea (see the review paper by Ermilov,
2011). On the background of the diagnosis of adult species, I have described the tritonymph of a very rare species, Mesoplophora (Mesoplophora) michaeliana , from the palm house in Łódź, and the deuto- and tritonymph of a relatively common semicosmopolitan species, Mesotritia nuda , found in the palm house in Poznań.
Mesoplophora (Mesoplophora) michaeliana Berlese, 1904
( Figures 1A–1F View Figure 1 )
Locality. Pavilion II in the palm house in Łódź .
Diagnosis:
Adult ( Figures 1A–1C View Figure 1 )
Measurements. Prodorsum: length 215, width 144, height 101, sensillus 104, setae: interlamellar 71, lamellar 73, rostral 61, exobothridial 15; notogaster: length 291, width 230, height 159, setae: c 1 81, c 1 / c 1 – d 1 = 0.7, e 1 63; genital plate 68 × 40, anal plate 61 × 30, distance between genital and anal plates = 35.
Color light brown. Integument densely dotted.
Prodorsum without lateral carinae. Sensilla long, setiform covered with 8–10 cilia. Interlamellar, lamellar, and rostral setae similar in shape, rough, flagelliform, attenuate, exobothridial setae very short, slightly shorter than diameter of bothridia.
Notogastral setae flagellate, rough, only setae d 1, e 1, and e 2 shorter and covered densely with short cilia. Setae of row c 1–3 remote equally from anterior margin.
Ventral region. Ventral plate with 9 pairs of setae of unequal length. Genital plates each with 7 setae (6 + 1). Anal plates each with 2 setae. Setation of legs (without tarsi): I: 0–3–3(1)–4(1), II: 0–4–3(1)–3(1), III: 2–2–2(1)– 2(1), IV: 2–3–2(0)–2(0).
Tritonymph ( Figures 1D–1F View Figure 1 ).
Measurements. Prodorsum: length 192, width 149, height 83, sensillus 81, setae: interlamellar 53, lamellar 43, rostral 45, exobothridial 10; notogaster: length 263, width 222, height 172, setae: c 1 38, c 1 / c 1 – d 1 = 0.4, c 3 51; genital plate 94 × 28, anal plate 94 × 18.
Color light brown. Prodorsum with number and shape of setae similar to adult form. Ventral plate with 4 pairs of setae, plate Q with 1 and plate P with 2 pairs of setae; genital plates with 6 pairs of setae, adanal plates with 2 and anal plates also with 2 pairs of setae.
Comparison. Tritonymph of M. (M.) michaeliana is very similar to that of Mesoplophora (Parplophora) pulchra Sellnick, 1928 ( Grandjean, 1933). It is distinguishable only by the shape of sensilli setiform (versus fusiform head) and the presence of 2 pairs of adanal setae (versus 3 pairs).
Distribution. Western Palearctic species known from Spain, Italy, Greece, Georgia, and Iran.
Mesotritia nuda (Berlese, 1887)
( Figures 2A–2E View Figure 2 and 3A–3D View Figure 3 )
Locality: Pavilion 8 in the palm house in Poznań.
Diagnosis:
Deutonymph ( Figures 3A and 3B View Figure 3 ).
Length 480, width 303.
Notogaster with 14 pairs of setae. Two pairs of genital setae and 1 pair of aggenital setae.
Two pairs of anal setae, 3 pairs of adanal setae. Epimera: 3–1–2–1. Chaetome of palps: 1–2–8(1). Chaetome of legs (without tarsi): I: 0–2–3(1)–4(1); II 0–2–2(1)–4; III: 1–2– 2–2(1); IV: 0–2–0–1(1).
Tritonymph ( Figures 3C and 3D View Figure 3 ).
Length 586, width 364.
Notogaster with 14 pairs of setae. Five pairs of genital setae and 2 pairs of aggenital setae.
Two pairs of anal setae, 3 pairs of adanal setae. Epimera: 3–1–1–2. Chaetome of palps: 1–2–8(1). Chaetome of legs: I: 0–2–4–6–17; II: 0–3–4–3–13; III: 1–2–3–3–11; IV: 1–2– 1–2–10.
Adult ( Figures 2A–2E View Figure 2 ).
All characters the same as in diagnosis of species (Niedbała, 2011); only 1 specimen has 15 notogastral setae on right side ( Figure 2D View Figure 2 ).
Measurements. Prodorsum: length 369, height 164, width 257, sensillus 78, setae: interlamellar 76, lamellar 109, rostral 101, exobothridial 53; notogaster: length 687, height 525, width 434, setae: c 1 99, c 1 / c 1 – d 1 = 0.6, h 1 58, p 1 88; genitoaggenital plate 88 × 38, anoadanal plate 180 × 56.
Epimera: 3–0–2–3. Chaetome of palps: 2–2–8(1). Chaetome of legs: I: 1–3–4(2)–[4(1)(left leg I) or 5(1) (right leg I)]–17(3); II: 1–4–4(1)–4(1)–14(2); III: 2–3– 3(1)–2(1)–11; IV: 2–3–2(0)–2(1)–10.
| K |
Royal Botanic Gardens |
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