Michael Seiter
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View article: Different strategies towards strength: Unveiling the role of Zn vs Mn/Ca and chitin arrangement in scorpion stingers
Different strategies towards strength: Unveiling the role of Zn vs Mn/Ca and chitin arrangement in scorpion stingers Open
Arthropods and especially scorpions often use metal ions to harden their cuticle. In this study we analyse the chitin fibre arrangement, metal content and distribution and mechanical properties of the stingers of two scorpions: the buthid …
View article: The kinematics of amblypygid (Arachnida) pedipalps during predation: extreme elongation in raptorial appendages does not result in a proportionate increase in reach and closing speed
The kinematics of amblypygid (Arachnida) pedipalps during predation: extreme elongation in raptorial appendages does not result in a proportionate increase in reach and closing speed Open
The link between form and function is key to understanding the evolution of unique and/or extreme morphologies. Amblypygids, or whip spiders, are arachnids that often have highly elongated spined pedipalps. These limbs are used to strike a…
View article: Insights into the Karyotype Evolution of Charinidae, the Early-Diverging Clade of Whip Spiders (Arachnida: Amblypygi)
Insights into the Karyotype Evolution of Charinidae, the Early-Diverging Clade of Whip Spiders (Arachnida: Amblypygi) Open
Whip spiders (Amblypygi) represent an ancient order of tetrapulmonate arachnids with a low diversity. Their cytogenetic data are confined to only a few reports. Here, we analyzed the family Charinidae, a lineage almost at the base of the a…
View article: Widespread retention of ohnologs in key developmental gene families following whole-genome duplication in arachnopulmonates
Widespread retention of ohnologs in key developmental gene families following whole-genome duplication in arachnopulmonates Open
Whole-genome duplications (WGDs) have occurred multiple times during animal evolution, including in lineages leading to vertebrates, teleosts, horseshoe crabs, and arachnopulmonates. These dramatic events initially produce a wealth of new …
View article: The Evolution of Sox Gene Repertoires and Regulation of Segmentation in Arachnids
The Evolution of Sox Gene Repertoires and Regulation of Segmentation in Arachnids Open
The Sox family of transcription factors regulates many processes during metazoan development, including stem cell maintenance and nervous system specification. Characterizing the repertoires and roles of these genes can therefore provide i…
View article: Mating behavior and spermatophore morphology of the whip scorpion Typopeltis dalyi Pocock, 1900 (Uropygi, Thelyphonida)
Mating behavior and spermatophore morphology of the whip scorpion Typopeltis dalyi Pocock, 1900 (Uropygi, Thelyphonida) Open
Whip scorpions are an enigmatic group of terrestrial raptorial arachnids that show remarkable mating and courtship behavior in which the male forms a complex spermatophore. While whip spiders (Amblypygi) are relatively well-studied, whip s…
View article: Cryptic diversity in the whip spider genus Paraphrynus (Amblypygi: Phrynidae): integrating morphology, karyotype and DNA
Cryptic diversity in the whip spider genus Paraphrynus (Amblypygi: Phrynidae): integrating morphology, karyotype and DNA Open
The whip spider (Amblypygi) genus Paraphrynus Moreno, 1940 is distributed from the southern U.S.A. to the Greater Antilles and northern South America. Mexico is the diversity hotspot of the genus where many morphologically similar species …
View article: Innate and learned responses of foraging predatory mites to polar and non-polar fractions of thrips’ chemical cues
Innate and learned responses of foraging predatory mites to polar and non-polar fractions of thrips’ chemical cues Open
Plant-inhabiting predatory mites (Acari, Phytoseiidae) are important natural enemies of herbivorous mites and insects and globally used in biological control in diverse agro-ecosystems. Foraging predatory mites predominantly use chemical c…
View article: Widespread retention of ohnologs in key developmental gene families following whole genome duplication in arachnopulmonates
Widespread retention of ohnologs in key developmental gene families following whole genome duplication in arachnopulmonates Open
Whole genome duplications have occurred multiple times during animal evolution, including in lineages leading to vertebrates, teleosts, horseshoe crabs and arachnopulmonates. These dramatic events initially produce a wealth of new genetic …
View article: The evolution of Sox gene repertoires and regulation of segmentation in arachnids
The evolution of Sox gene repertoires and regulation of segmentation in arachnids Open
The Sox family of transcription factors regulate many processes during metazoan development, including stem cell maintenance and nervous system specification. Characterising the repertoires and roles of these genes can therefore provide im…
View article: Description of a new Charinus species (Amblypygi: Charinidae) from the Monseñor Nouel province, Dominican Republic
Description of a new Charinus species (Amblypygi: Charinidae) from the Monseñor Nouel province, Dominican Republic Open
A new species of Charinus Simon, 1892 from the Dominican Republic is described. With the addition of Charinus magua sp. nov. from the Monseñor Nouel province, the number of known members of the genus Charinus occurring on the island Hispan…
View article: Correction: Constitutive and Operational Variation of Learning in Foraging Predatory Mites
Correction: Constitutive and Operational Variation of Learning in Foraging Predatory Mites Open
[This corrects the article DOI: 10.1371/journal.pone.0166334.].
View article: Four new species of the jumping spiders from the Philippines, with description of the male of Phintella piatensis Barrion et Litsinger, 1995 (Araneae: Salticidae)
Four new species of the jumping spiders from the Philippines, with description of the male of Phintella piatensis Barrion et Litsinger, 1995 (Araneae: Salticidae) Open
Four new species of the jumping spiders from the Philippines are diagnosed, illustrated and described: Agorius marieae sp.n.($), Epidelaxia maurerae sp.n.($), Lepidemathis luisae sp.n.(#) and Phaeacius hampi sp.n.($).The unknown male of Ph…
View article: Constitutive and Operational Variation of Learning in Foraging Predatory Mites
Constitutive and Operational Variation of Learning in Foraging Predatory Mites Open
Learning is widely documented across animal taxa but studies stringently scrutinizing the causes of constitutive or operational variation of learning among populations and individuals are scarce. The ability to learn is genetically determi…
View article: Whip spiders (Amblypygi, Arachnida) of the Western Palaearctic—a review
Whip spiders (Amblypygi, Arachnida) of the Western Palaearctic—a review Open
All records of the two amblypygid species occurring in the Western Palaearctic are mapped and both species (Charinus ioanniticus and Musicodamon atlanteus) are discussed. Charinus ioanniticus is known from the Eastern Mediterranean (Greece…
View article: Two New Thiratoscirtus Species From Gabon (Araneae, Salticidae, Thiratoscirtinae)
Two New Thiratoscirtus Species From Gabon (Araneae, Salticidae, Thiratoscirtinae) Open
Michael Seiter, Wanda Wesolowska (2015): Two new Thiratoscirtus species from Gabon (Araneae, Salticidae, Thiratoscirtinae). European Journal of Taxonomy 123: 1-9, DOI: 10.5281/zenodo.885445, URL: urn:lsid:zoobank.org:pub:AD8BF922-4B04-4A40…
View article: Maternal intraguild predation risk affects offspring anti-predator behavior and learning in mites
Maternal intraguild predation risk affects offspring anti-predator behavior and learning in mites Open
Predation risk is a strong selective force shaping prey morphology, life history and behavior. Anti-predator behaviors may be innate, learned or both but little is known about the transgenerational behavioral effects of maternally experien…
View article: Two new Thiratoscirtus species from Gabon (Araneae, Salticidae, Thiratoscirtinae)
Two new Thiratoscirtus species from Gabon (Araneae, Salticidae, Thiratoscirtinae) Open
Two new species of jumping spiders, Thiratoscirtus oberleuthneri (♂) and Th. lamboji (♀), are described from Gabon, one of the least explored areas of the Afrotropics. Both species live in rainforest, at the forest floor. They are members …
View article: Scorpions of Ethiopia (Arachnida: Scorpiones). Part II. Genus Babycurus Karsch, 1886 (Buthidae), with description of two new species
Scorpions of Ethiopia (Arachnida: Scorpiones). Part II. Genus Babycurus Karsch, 1886 (Buthidae), with description of two new species Open
Two new species, Babycurus dunlopi sp. n. and B. sofomarensis sp. n. from Ethiopia, are described, compared with other species and fully illustrated with color photos of habitus and localities. B. subpunctatus Borelli, 1925 is recorded for…