Oribatid Mites (Arachnida: Acari: Oribatida) from the Marine Littoral of the Ryukyu Archipelago, Southwestern Japan

Karasawa, Shigenori; Aoki, Jun-ichi

doi:10.12782/specdiv.10.209

Cited by 14 publications

(41 citation statements)

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“…Based on molecular genetic data, Indopacifica forms a well‐supported single clade, and hence, 18S ribosomal RNA sequences clearly confirm the distinctness of the new genus and place it close to Thalassozetes shimojanai (Karasawa & Aoki, ). The latter was originally described as Rhizophobates shimojanai (Karasawa & Aoki, ) but was later transferred to Thalassozetes Schuster, 1963 without any justification (Subías, ). Unfortunately, Iseki and Karasawa () adopted this invalid classification and the available DNA sequence was saved in GenBank under the wrong name.…”

Section: Discussionmentioning

confidence: 68%

“…In the following paragraph, the new taxon will be compared to each selenoribatid genus to justify the erection of this new genus on a morphological basis (for a tabular overview see Table 4). (Karasawa & Aoki, 2005). The latter was originally described as Rhizophobates shimojanai (Karasawa & Aoki, 2005) but was later transferred to Thalassozetes Schuster, 1963 without any justification (Subías, 2004).…”

Section: Systematicsmentioning

confidence: 99%

“…(Karasawa & Aoki, 2005). The latter was originally described as Rhizophobates shimojanai (Karasawa & Aoki, 2005) but was later transferred to Thalassozetes Schuster, 1963 without any justification (Subías, 2004). Unfortunately, Iseki and Karasawa (2014) adopted this invalid classification and the available DNA sequence was saved in GenBank under the wrong name.…”

Section: Systematicsmentioning

confidence: 99%

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Systematics, genetics, and biogeography of intertidal mites (Acari, Oribatida) from the Andaman Sea and Strait of Malacca

Pfingstl

Lienhard

Shimano

et al. 2018

J Zool Syst Evol Res

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This study demonstrates for the first time the presence of marine‐associated mites in the Andaman Sea and Strait of Malacca and reveals a relatively high diversity of these taxa with six species from two different families: Selenoribatidae and Fortuyniidae. Indopacifica , a new genus of Selenoribatidae, is described from Thailand and Malaysia, with two new species, Indopacifica pantai n. sp. and Indopacifica parva n. sp. The genus is characterized by the unique combination of following characters: lacking lamellar ridges, incomplete dorsosejugal suture, fourteen pairs of notogastral setae, and presence of epimeral foveae. A phylogenetic reconstruction based on 18S ribosomal RNA sequences clearly confirms the distinctness of the new genus Indopacifica and places it close to the genus Rhizophobates . The lack of molecular genetic data of possible relatives impedes a clear assessment, and hence, we emphasize the need for further combined approaches using morphological and molecular genetic sequence data. All species show wide distribution areas within this geographic region suggesting that these taxa are good dispersers despite their minute size and wingless body. Molecular genetic data demonstrate recent gene flow between far distant populations of I. pantai n. sp. from the coasts of Thailand and two islands of Malaysia and hence confirm this assumption. The seasonally changing surface currents within this geographic area may favor hydrochorous dispersal and hence genetic exchange. Nevertheless, morphometric data show a slight trend to morphological divergence among the studied populations, whereas this variation is suggested to be a result of genetic drift but also of habitat differences in one population of Alismobates pseudoreticulatus .

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Section: Discussionmentioning

confidence: 68%

Section: Systematicsmentioning

confidence: 99%

Section: Systematicsmentioning

confidence: 99%

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Systematics, genetics, and biogeography of intertidal mites (Acari, Oribatida) from the Andaman Sea and Strait of Malacca

Pfingstl

Lienhard

Shimano

et al. 2018

J Zool Syst Evol Res

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“…For a long time most studies on these two taxa were limited to species descriptions or records, mainly from the Indo-Pacific region (e.g. Luxton 1992, Karasawa & Aoki 2005, Bayartogtokh et al 2009). Only during the last two decades research focused on other topics, such as ecology, dispersal and reproduction (e.g.…”

Section: Introductionmentioning

confidence: 99%

New Fortuyniidae and Selenoribatidae (Acari, Oribatida) from Bonaire (Lesser Antilles) and morphometric comparison between Eastern Pacific and Caribbean populations of Fortuyniidae

Pfingstl

Baumann

Lienhard

et al. 2017

saa

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Two new intertidal oribatid mite species were found on the coast of Bonaire. Litoribates bonairensis sp. nov. can be distinguished from its only congener, L. caelestis, by the cerotegumental pattern and shape of sensillus. This is also the first record of the genus from the Caribbean region. Thasecazetes falcidactylus gen. nov., sp. nov. is characterized by conspicuous longitudinal notogastral ridges and sickle shaped claws and represents a new selenoribatid genus that probably shows a wider distribution within the Caribbean. Both species were found in mangrove habitats. An ecological preference for this environment may be considered. A morphometric investigation of Litoribates and Alismobates populations from the Galápagos Archipelago in the Eastern Pacific, several Caribbean areas and the Western Atlantic Bermuda Islands revealed certain remarkable facts: First, Litoribates species show a conspicuous higher size variation between the different locations than Alismobates species; second, the geographic distance between the populations is reflected in the extent of divergence and third, similar variation patterns shown in Litoribates and Alismobates indicate that both taxa have experienced similar evolutionary histories in the respective geographic regions. An additional molecular genetic analysis provides barcoding sequences for the new taxa and confirms their taxonomic distinctness.

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“…Rhizophobates and Schusteria have been subject to taxonomic debates (e.g. Karasawa and Aoki 2005, Pfingstl and Schuster 2012) and the discreteness of some members of these genera is still unclear. The other genera are yet well delimited and the same applies to the genus type Selenoribates .…”

Section: Introductionmentioning

confidence: 99%

Revealing the diversity of a once small taxon: the genus Selenoribates (Acari, Oribatida, Selenoribatidae)

Pfingstl¹

2013

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Three new intertidal oribatid species, Selenoribates elegans sp. n., Selenoribates quasimodo sp. n. and Selenoribates satanicus sp. n. are described from the archipelago of Bermuda. Selenoribates elegans sp. n. is characterized by its slender body shape, Selenoribates quasimodo sp. n. possesses a hunchback in lateral view and Selenoribates satanicus sp. n. exhibits two horn-like projections on its anterior gastronotic region. Based on these new findings, the number of Selenoribates species doubled at once and the distribution of this genus, formerly limited to the Mediterranean and the Red Sea, includes now occurrences in the Atlantic and Indo-pacific Ocean as well. The morphology of Selenoribates quasimodo sp. n. and Selenoribates satanicus sp. n. deviates conspicuously from the other known members of Selenoribates, thus indicating that not only the number of species but also the anatomy of this genus is more diverse than formerly supposed. Nymphs of Selenoribates quasimodo sp. n. show an interesting case of ontogenetic neotrichy, with gastronotic setae being duplicated with each moult.

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Oribatid Mites (Arachnida: Acari: Oribatida) from the Marine Littoral of the Ryukyu Archipelago, Southwestern Japan

Cited by 14 publications

References 1 publication

Systematics, genetics, and biogeography of intertidal mites (Acari, Oribatida) from the Andaman Sea and Strait of Malacca

Systematics, genetics, and biogeography of intertidal mites (Acari, Oribatida) from the Andaman Sea and Strait of Malacca

New Fortuyniidae and Selenoribatidae (Acari, Oribatida) from Bonaire (Lesser Antilles) and morphometric comparison between Eastern Pacific and Caribbean populations of Fortuyniidae

Revealing the diversity of a once small taxon: the genus Selenoribates (Acari, Oribatida, Selenoribatidae)

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