Emmanuel Arriaga-Varela

Emmanuel Arriaga-Varela
Polish Academy of Sciences | PAN · Museum and Institute of Zoology

Doctor of Philosophy in Zoology

About

58
Publications
15,752
Reads
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219
Citations
Additional affiliations
August 2001 - December 2007
University of Guadalajara
Position
  • BSc student
Education
September 2015 - September 2019
Charles University in Prague
Field of study
  • Zoology
August 2008 - October 2012
September 2001 - December 2007
University of Guadalajara
Field of study
  • Biology

Publications

Publications (58)
Article
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Citation: Arriaga-Varela E, Tomaszewska W, Huo L, Seidel M (2018) On Neotropical Merophysiinae with descriptions of a new genus and new species (Coleoptera: Endomychidae). ZooKeys 736: 1-41. https://doi. Abstract Intensive survey of museum collections and new field collecting resulted in discovery of six new, closely related species of the Neotropi...
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ABSTRACT Water scavenger beetles (Coleoptera: Hydrophilidae) are a broadly distributed group with high extant diversity. However, reliable records from Baltic amber (Eocene) are scarce and limited to two undescribed species previously reported in the literature. Here we study these two specimens plus four additional ones. All specimens were sub-opt...
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Megasternini is the largest group of terrestrial water scavenger beetles (Coleoptera: Hydrophilidae) represented by ca. 600 described species distributed worldwide. The highest species diversity is known from tropical areas of all continents. In this study, we used sequences of eight gene regions (five nuclear and three mitochondrial) to investigat...
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The Triassic was a crucial period for the early evolution and diversification of insects, including Coleoptera the most diverse order of organisms on Earth. The study of Triassic beetles, however, relies almost exclusively on flattened fossils with limited character preservation. Using synchrotron microtomography, we investigated a fragmentary Uppe...
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A new genus and species of the family Endomychidae (Coleoptera: Coccinelloidea): Cretostenotarsus striatus Tomaszewska, Szawaryn and Arriaga-Varela gen. et sp. nov. are described, diagnosed and illustrated from the mid-Cretaceous amber from northern Myanmar. To test the systematic placement of the new extinct genus and species within the family, a...
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Patterns of description of new species of beetles from Mexico between 2000-2020 were analyzed. We based our study on the Zoological Record of Web of Science TM. We found 1,867 species in 61 families described in 759 papers published in scientific journals from all over the world. Scarabaeidae is the family with the most species described (352) in t...
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We describe for the first time a potential stridulatory apparatus in Oxyporinae rove beetles (Coleoptera: Staphylinidae), which was found in all 18 studied species of the genus Oxyporus and only in three out of six studied species of the genus Pseudoxyporus. No potential stridulatory structures were found in two species of Oxyporus larvae, which we...
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The Hydrophilus (Dibolocelus) Bedel species from Mexico and adjacent areas are treated on the basis of the study of 142 adult specimens and published data. Two new species are herein recognized and described: H. (D.) nucleoensis Arce-Pérez & Arriaga-Varela sp. nov. from Mexico, Guatemala and Nicaragua, H. (D.) pseudovatus Arce-Pérez & Ar-riaga-Vare...
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The list of species of fungus beetle families Endomychidae, Anamorphidae and Eupsilobiidae (Endomychidae sensu lato) in Mexico is updated. Fifty three species and two subspecies of Endomychidae, nine of Anamorphidae and two of Eupsilobiidae are reported. Bystus is the most diverse genus in Anamorphidae (4 spp.); Stenotarsus (23 spp.) is the most d...
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Revista Mexicana de Biodiversidad 91 (2020): e913394 Taxonomy and systematics The genus Platynectes (Coleoptera: Dytiscidae: Agabinae) in Central America, with the discovery of the northernmost Neotropical species in Oaxaca, Mexico, and nomenclatural notes on the subgenus Agametrus El género Platynectes (Coleoptera: Dytiscidae: Agabinae) en Centroa...
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Two new species of Megarthrus are described from cloud forests of the Mexican state of Veracruz: M. cavianae Rodríguez, Navarrete-Heredia & Arriaga-Varela sp. nov., and Chiapas: M. chiapas Cuccodoro sp. nov. They differ from the two hitherto known Mexican species M. altivagans Bernhauer, 1929, and M. alatorreorum Rodríguez & Navarrete-Heredia, 2015...
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The terrestrial hydrophilid genus Agna Smetana (tribe Megasternini), specialized in rotten cacti, is redescribed and illustrated. Known species are diagnosed and a new one, A. zaragozai sp. nov., is described from central Mexico (Hidalgo, Puebla, and Oaxaca) and its molecular barcode is provided. Other species of Hydrophilidae known to have been co...
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Tharina gen. nov. along with T. antennalis (as type species), T. ecuadoriensis, T. micra, and T. peckorum spp. nov. (Coleoptera: Endomychidae: Endomychinae) from Venezuela, Ecuador, and Bolivia are described, diagnosed, and illustrated. Mouthpart structures, in this genus, which are unique within the family Endomychidae, are discussed in terms of t...
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We present an annotated catalogue for the tribe Incini (Coleoptera: Scarabaeidae: Cetoniinae) including references to all taxonomic and nomenclatural acts, clarifying the spelling of names, providing type depositories and occurrence records for the species. The spelling of Golinca davisii (Waterhouse, 1877) is fi xed, and the incorrect subsequent s...
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The hydrophilid genus Cycreon Orchymont, 1919, previously known from two historical specimens only, is reviewed based on the numerous material collected recently from the inflorescences of various Araceae species in the Malay Peninsula and Borneo. Four species are recognized in the genus: C. sculpturatus Orchymont, 1919 from Sumatra, C. armandi Sha...
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The southern hemisphere water scavenger beetle genus Cylorygmus Orchymont, 1933 (Coleoptera: Hydrophilidae: Cylominae) is revised. Three species are recognized, one in Chile and two in South Africa. The morphological differences indicate that the African species are not congeneric with the Chilean one. Relictorygmus gen. nov. is established for the...
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A new genus of coprophagous beetle, Evanesternum gen. n. (Hydrophilidae: Sphaeridiinae: Megasternini), is described in order to accommodate Cercyon (Acycreon) pulsatus d’Orchymont, 1937 from the Republic of South Africa and the Democratic Republic of Congo. A detailed description is provided along with habitus photographs, line drawings and SEM mic...
Data
Genetic distances within and between species of Caribbean Cercyon
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The representatives of the genus Cercyon Leach occurring in the Greater Antilles are reviewed. Ten species are recorded, of which five are described here as new: C. gimmeli sp. n. (Dominican Republic), C. armatipenis sp. n. (Dominican Republic), C. taino sp. n. (Dominican Republic), C. sklodowskae sp. n. (Jamaica) and C. spiniventris sp. n. (Domini...
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Endomychidae or Handsome Fungus Beetles are a moderately large family of mycophagous beetles distributed worldwide but with the highest diversity in the tropics (Shockley et al. 2009a, b). The concept of the family (e.g. Lawrence & Newton 1995; Tomaszewska 2000, 2010; Shockley et al. 2009a) has recently been restricted by an elevation of former sub...
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Cylominae Zaitzev, 1908 is established as a valid subfamily name for Rygmodinae Orchymont, 1916, syn. nov., due to the recent transfer of Cyloma Sharp, 1872 to the subfamily. The history of nomenclature of the subfamily is reviewed and an updated overview of family-group and genus-group names currently assigned to the subfamily is provided.
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Two new species of Epipocus Germar (Coleoptera: Endomychidae) are described: Epipocus olmecus new species from Veracruz, Mexico, and E. costatus new species from Puntarenas, Costa Rica. The species groups of Epipocus proposed by Strohecker are discussed and a modified key to the E. rufitarsis group accommodating these two new species is provided.
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BioOne sees sustainable scholarly publishing as an inherently collaborative enterprise connecting authors, nonprofit publishers, academic institutions, research libraries, and research funders in the common goal of maximizing access to critical research. BioOne (www.bioone.org) is a nonprofit, online aggregation of core research in the biological,...
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Electribius relictus sp. nov. (Artematopodidae) is described from a cloud forest fragment in central Veracruz, Mexico. This species is distinguished from the other extant species known, E. crowsoni Lawrence (Mexico) and E. similis Lawrence (El Salvador), by the pronotum and elytra completely black, pronotum with margins crenulate at base, fifth abd...
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As part of a recent study of the biodiversity in the Uxpanapa region, a specimen of Dialithus magnificus was observed on 16 May 2013 at approximately noon. The specimen was standing on a shrub within a tropical rainforest fragment, found 2 km east of Ejido Arroyo Zarco in the Municipality of Uxpanapa, Veracruz, Mexico (17° 12´17.6´´ N; 94° 28´4.6´´...
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A preliminary review of the species of Stenotarsus Perty from México, Guatemala and Belize is presented. Twenty-seven species are recorded from the region including 12 new species described here: Stenotarsus cortesi sp. nov. (Jalisco), S. incisus sp. nov. (Quetzaltenango, Chiapas, Oaxaca, Veracruz), S. kafkai sp. nov. (Veracruz), S. mesoamericanus...
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El género Anidrytus Gerstaecker, 1858 es un grupo diverso de escarabajos micófagos de distribución exclusivamente neotropical. Sus especies muestran una gran afinidad morfológica con las de Epopterus Chevrolat, 1836 y su separación parece ser artificial (Strohecker 1997). Ambos géneros se pueden diferenciar del resto de los miembros neotropicales d...
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The endomychid subfamily Epipocinae Gorham is exclusive to the New World. Three of its four genera (Anidrytus Gerstaecker, Ephebus Gerstaecker and Epopterus Chevrolat) are restricted to the Neotropics; while some species of Epipocus Germar occur in the Nearctic region (Tomaszewska, 2005). Ephebus is the most homogeneous and poorly studied genus of...
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The state of knowledge of Mexican Endomychidae is summarized. A checklist for all described species recorded from México is presented, including comments on taxonomy, biology and distribution. 56 species are recorded (including two subspecies); Stenotarsus marginalis Arrow is recorded for the first time from México. These species belong to 18 gener...

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