Revision Der Familie Mesoniscidae Verhoeff, 1908 (Isopoda, Oniscoidea)

Tabacaru, Ionel; Gruner, H.-E.

doi:10.1163/156854063x00318

Cited by 9 publications

(2 citation statements)

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“…Its known distribution covers the Carpathian Mountains from the Northwest Carpathians (Poland, Slovakia, Hungary), the Western Transylvanian Mountains (Romania, Serbia), the Dinaric Mountains (Serbia, Bosnia and Herzegovina) and the Julian Alps (Slovenia), occurring mainly in caves (Schmalfuss 2003, Giurginca 2003, 2005, Šustr et al 2005, Piksa and Farkas 2007; Tabacaru and Giurginca 2014). The species was found also endogeic in Poland, Romania, Serbia and Croatia far from caves, in moist and isothermal surface habitats (Mlejnek and Ducháč 2003, Gruner and Tabacaru 1963, J. Bedek, S. Ferenţi, I. Karaman personal communication). Its occurrence is also expected in Ukraine (Šustr et al 2005).…”

Section: Introductionmentioning

confidence: 96%

“…Mesoniscusgraniger (Frivaldszky, 1865) was described from Baradla cave, Hungary, and it is one of the two known species of the genus Mesoniscus Carl, 1906, Mesoniscidae, Microchaeta (Giurginca 2003, 2005, Gruner and Tabacaru 1963, Schmalfuss 2003). Its known distribution covers the Carpathian Mountains from the Northwest Carpathians (Poland, Slovakia, Hungary), the Western Transylvanian Mountains (Romania, Serbia), the Dinaric Mountains (Serbia, Bosnia and Herzegovina) and the Julian Alps (Slovenia), occurring mainly in caves (Schmalfuss 2003, Giurginca 2003, 2005, Šustr et al 2005, Piksa and Farkas 2007; Tabacaru and Giurginca 2014).…”

Section: Introductionmentioning

confidence: 99%

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Life history characteristics of a cave isopod (Mesoniscus graniger Friv.)

Deerbák

Dányi

Hornung

2018

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The special environmental conditions of caves provide habitat for several endemic and relict species, among them terrestrial isopods. The Baradla Cave system (north-eastern Hungary) hosts Mesoniscusgraniger (Frivaldszky, 1865) (Oniscidea, Microcheta, Mesoniscidae), a pygmy, blind, fragile troglophile woodlice species. Its stable environment can be characterised by the lack of light, high relative humidity (96%), low and constant temperature (about 10 °C). We explored the population characteristics (sex ratio, size distribution) and life history traits of the species (e.g. longevity, reproductive strategy, offspring number, and size). Sex ratio and size distribution of the individuals (head-width measurements) were estimated based on a yearly pooled pitfall-trap data set (N = 677). We studied the species’ reproductive strategy under natural conditions (Baradla Cave, Aggtelek National Park). Model populations were set up in the cave and checked monthly between March and October, 2016 (15 replicates, each with 12 randomly chosen adult individuals; ΣN = 180). Digital photos were taken of the live animals and their length was estimated based on the photos by using ImageJ software (average body length: 6.56 ± 0.79 mm). The results showed female dominance in the population [(male:female = 0.43:0.57); p < 0.001 (GLM)]. Female head width (0.87 ± 0.18 mm) was significantly greater than that of males [0.79 ± 0.08 mm; p < 0.001 (t-test)]. Based on our present data we assume that the offspring number per single female is low (3–5), and new-borns have a relatively large size (body length: 4.22 ± 0.53 mm) compared to the adults. The probability of reproduction was continuous by monthly intervals (binomial test) and longevity exceeds one year. Our results suggest that the species follows a stenodynamic life history.

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Section: Introductionmentioning

confidence: 96%

Section: Introductionmentioning

confidence: 99%

Life history characteristics of a cave isopod (Mesoniscus graniger Friv.)

Deerbák

Dányi

Hornung

2018

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Contribution to the phylogenetic system of the Crinocheta (Crustacea, Isopoda). Part 2. (Oniscoidea to Armadillidiidae)

Schmidt

2008

Zool. Reihe

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The phylogenetic relations between the families of Crinocheta (Isopoda, Oniscidea) are analysed. For each family, a description of a representative species, a reconstruction of the groundpattern (if possible), an estimation of species number and the geographic distribution are given. The morphological data were interpreted according to the method of Phylogenetic Systematics. The "Scyphacidae", "Philosciidae", "Dubioniscidae", "Platyarthridae", 'Trachelipodidae", and "Porcellionidae" proved to be paraphyla. The "Scyphacidae" were split into the monophyla Detonidae, Scyphacidae s.str. and Alloniscidae, the latter belonging in the Oniscoidea. In the cladogram, the following taxa branch off successively: Olibrinidae, Detonidae, Scyphacidae s.str., Alloniscidae, then follows an unresolved trifurcation between Taxon 3 (including "Philosciidae", Halophilosciidae, Scleropactidae), Stenoniscidae and Taxon 4 (all others). The Taxon 4 splits into Rhyscotidae and Taxon 6, the latter consists of Squamiferaee and Taxon 7. Within the latter, the resolution is low; a sistergroup relation between Armadillidae and Eubelidae can be assumed, a close affinity of Bathytropidae and Tendosphaeridae seems possible, the 'Trachelipodidae" were split into the monophyletic Agnaridae, and the probably still paraphyletic "Trachelipodidae" s.str.. The "Porcellionidae" are paraphyletic with respect to the Armadillidiidae. Some data on the biogeography of several taxa are discussed in the context of their phylogenetic relations.

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Contribution to the phylogenetic system of the Crinocheta (Crustacea, Isopoda). Part 2. (Oniscoidea to Armadillidiidae)

Schmidt¹

2003

Mitt. Mus. Nat.kd. Berl., Zool. Reihe

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Revision Der Familie Mesoniscidae Verhoeff, 1908 (Isopoda, Oniscoidea)

Cited by 9 publications

References 1 publication

Life history characteristics of a cave isopod (Mesoniscus graniger Friv.)

Life history characteristics of a cave isopod (Mesoniscus graniger Friv.)

Contribution to the phylogenetic system of the Crinocheta (Crustacea, Isopoda). Part 2. (Oniscoidea to Armadillidiidae)

Contribution to the phylogenetic system of the Crinocheta (Crustacea, Isopoda). Part 2. (Oniscoidea to Armadillidiidae)

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