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Copyright of Bio-grafía. Escritos Sobre la Biología y su Enseñanza is the property of Universidad Pedaggica Nacional and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Pseudoscorpions are small, abundant and diverse arachnids in the Neotropics. In the Colombian Caribbean region, research on the fauna of these arachnids is scarce compared to that of other regions of Colombia. From February 2016 to October 2017, specimens belonging to this group were collected in the department of Sucre, in order to assess its local diversity. The genera Cacodemonius Chamberlin and Dolichowithius Chamberlin, and the species Tyrannochthonius (Tyrannochthonius) amazonicus Mahnert and Ideobisium chapmani Muchmore are reported for the first time in Colombia. Additionally, ecological comments are included and a check-list of species for Colombia is presented. [ABSTRACT FROM AUTHOR]

Several phoretic records by pseudoscorpions on Hymenoptera are documented, all them observed in Órgiva, Granada province, Spain. Phoresy by pseudoscorpions on Evaniidae is the first record for Europe and other four records on Ichneumonidae are also mentioned. In all cases, the phoront was assigned to Pselaphochernes lacertosus (L. Koch, 1873). [ABSTRACT FROM AUTHOR]

Copyright of Animal Biodiversity & Conservation is the property of Museu de Ciencies Naturals de Barcelona and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Durante un estudio de la fauna de artrópodos asociada a montículos de detritos de hormigas de la especie Atta colombica Guérin-Méneville, 1844 (Hymenoptera: Formicidae) en la hacienda Santa Isabel, corregimiento de Patio Bonito en el departamento de Córdoba, se encontraron representantes de la familia Cheiridiidae. Por tanto, estos pseudoescorpiones se convierten en el primer reporte de la familia para Colombia y por primera vez se registra su presencia en detritus de hormigas. Así mismo, este reporte, amplía su distribución conocida para Suramérica.

El género de pseudoescorpion Cryptocheiridium Chamberlin, 1931 es reportado por primera vez en Colombia, es descrita como nueva especie Cryptocheiridium mairae sp. nov., del noroccidente colombiano, asociada a detritos de hormigas Atta colombica Guérin-Méneville, 1844.

Eight pseudoscorpions in amber from Chiapas State, Mexico, are described. These include the first fossil records of the tribe Tyrannochthoniini (Chthoniidae). Paraliochthonius miomaya n. sp. is described from an adult male and a protonymph in separate pieces of amber from Simojovel. The protonymph is the first to be recorded for a species of Paraliochthonius Beier, 1956 and shows that this stage is free-living and non-regressive in this genus. The presence of a Paraliochthonius species in Simojovel amber adds support to the hypothesis that at least part of this amber is derived from a mangrove environment, since the extant epigean species of this genus are restricted to littoral habitats. An unnamed species of Tyrannochthonius Chamberlin, 1929 is described from an adult female in amber from Rio Salado, near Totolapa, Chiapas. Nymphal pseudoscorpions in amber from Simojovel are tentatively assigned to the extant genera Lustrochernes Beier, 1932 (Chernetidae) and Paratemnoides Harvey, 1991 (Atemnidae), and an unidentified genus of Cheliferini (Cheliferidae). The genus Mayachernes Riquelme, Piedra-Jiménez and Córdova-Tabares, 2014, which was erected for the first species of pseudoscorpion to be named from Mexican amber, is synonymized with Byrsochernes Beier, 1959, resulting in the new combination Byrsochernes maatiatus (Riquelme, Piedra-Jiménez and Córdova-Tabares, 2014). A list is given of extant pseudoscorpions collected close to mangroves at La Cadena and from Hymenaea courbaril trees at Coquitos (Biosphere Reserve La Encrucijada), both in Chiapas State. These include the first Mexican records of the species Americhernes oblongus (Say, 1821) and the genus Dolichowithius Chamberlin, 1931. Paratemnoides elongatus (Banks, 1895) and Trinidatemnus separatus van den Tooren, 2008 are synonymized with P. nidificator (Balzan, 1888) (new subjective synonymies). Trinidatemnus van den Tooren, 2008 therefore becomes a junior synonym of Paratemnoides Harvey, 1991 (new subjective synonymy). The first record of P. nidificator from the Caribbean island of Guadeloupe is given. [ABSTRACT FROM AUTHOR]

During a study of the arthropod fauna associated with mounds of detritus produced by Atta colombica (Hymenoptera: Formicidae) in the Santa Isabel estate, locality of Patio Bonito, Córdoba, were found representatives of the family Cheiridiidae. Therefore, these pseudoscorpions becomes in the first report of the family to Colombia and for the first time is recorded its presence in ant detritus. Also, this report extends its known distribution range in South America. [ABSTRACT FROM AUTHOR]

The objective of this work is to present new records of the Order Pseudoscorpiones for Chiapas. Specimens were collected under logs, in leaf litter and pitfall traps at different localities, mainly in the counties of Ocosingo and Palenque from April 2004 to November 2006. In addition the following collections were examined for more specimens, Colecciones Nacionales de Ácaros (CNAC) y Arácnidos (CNAN) del Instituto de Biología UNAM. A total of 137 pseudoscorpions were found (75 females, 36 males and 26 nymphs) from nine families, 13 genera and 15 species. Seven species are new records for Chiapas: Tyrannochthonius aff. pallidus (this is new species), Albiorix conodentatus, Albiorix mexicanus, Menthus rossi, Ideoblothrus mexicanus, Withius piger, Chelifer cancroides, and Haplochelifer philipi a new record for Mexico. The two species with the highest number of specimens and widest distributions were Ideoblothrus mexicanus with 43 specimens in three counties and Lustrochernes grossus with 35 specimens in five counties. The number of the species reported for Chiapas increase from 24 to 32 and for Mexico from 161 to 162. The number of counties in Chiapas with records of pseudoscorpions increases from 10 to 15, of which Ocosingo is the county with the greatest species number, followed by Palenque and Villaflores. [ABSTRACT FROM AUTHOR]

Copyright of Revista Mexicana de Biodiversidad is the property of Universidad Nacional Autonoma de Mexico, Instituto de Biologia and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

The article presents the list of pseudoscorpions species or arachnids from Colombia. According to the authors, the known species in the country were recorded by foreign authors since 1800s, however, detailed information about each species were not recorded. In connection, researchers D. E. Florez and H. Sànchez published a preliminary list that established nine species distributed in nine genera and six families.

We recorded 153 specimens from eleven species of pseudoscorpions, collected in 32 nests of five species of packrat of the genus Neotoma on the Mexican Plateau. In the nests of N. albigula we found Tychochernes inflatus, Lustrochernes grossus, Serianus dolosus, and Juxtachelifer fructuosus; in the nests of N. goldmani was T. inflatus; in the nests of N. micropus were Pachychernes sp. and Chelifer cancroides; in the nests of N. mexicana were Paraliochthonius sp., Larca chamberlini, S. dolosus, Illinichernes distinctus, and T. inflatus; and in the nests of N. palatina there were Cheiridium insperatum and Dinocheirus sp. We consider to the species Tychochernes inflatus, Pachychernes sp., Larca chamberlini, Illinichernes distinctus and Cheiridium insperatum as permanent inhabitants of these microhabitats. The majority of specimens (41.2 %) were found in the nest proper. We collected all life stages, with adults (39.9 %) being the most abundant. A key for the identification of the pseudoscorpions found is given. [ABSTRACT FROM AUTHOR]