389 research outputs found

    Distribution and genetic variability of Staphylinidae across a gradient of anthropogenically influenced insular landscapes

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    This paper describes the distribution and genetic variability of rove beetles (Coleoptera Staphylinidae) in anthropogenically influenced insular landscapes. The study was conducted in the Azores archipelago, characterized by high anthropogenic influence and landscape fragmentation. Collections were made in five islands, from eight habitats, along a gradient of anthropogenic influence. The species of Staphylinidae from the Azores collected for this study were widely distributed and showed low habitat fidelity. Rove beetle richness was associated with anthropogenic influence and habitat type, increasing from less to more anthropogenic impacted habitats. However, genetic diversity of profiled species (i.e. with three or more specimens per species/habitat) does not seem affected by anthropogenic influence in the different habitat types, isolation or landscape fragmentation. COI haplotypes were, as a rule, not exclusive to a given island or habitat. High level of genetic divergence and nucleotide saturation was found in closely related morphological designated species, demonstrating possible disparities between currently defined taxonomic units based on morphology and molecular phylogenies of Staphylinidae. This study found evidence of cryptic speciation in the Atheta fungi (Gravenhorst) species complex which had thus far remained undetected. Similar trends were found for Oligota parva Kraatz, Oxytelus sculptus Gravenhorst, Oligota pumilio Kiesenwetter. Previous studies with lower taxonomical resolution may have underestimated the biotic diversity reported in the Azores in comparison to other Macaronesian archipelagos.info:eu-repo/semantics/publishedVersio

    New Records of Coleoptera from Wisconsin

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    Specimens of eleven different species of beetles (one of which is identified only to genus) have been collected from and are herein reported as new to Wisconsin. These species collectively occur within seven different families: Leiodidae, Latridiidae, Scirtidae, Throscidae, Corylophidae, Staphylinidae, and Dermestidae. A majority of the specimens were collected at the author’s residence, either in pan traps or at UV lights; the others were taken at two nearby (township) parks

    Nomenclatural and taxonomic changes in Staphyliniformia (Coleoptera)

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    Many nomenclatural changes are implemented in the beetle families Georissidae, Histeridae, Hydraenidae, Hydrochidae, Hydrophilidae, Ptiliidae, Leiodidae and especially Staphylinidae, of the beetle series Staphyliniformia (Coleoptera), in preparation for making a world catalog of this group available online. Limited taxonomic changes are also made in the staphylinid subfamilies Osoriinae and Staphylininae. At the level of family-group taxa, Article 29.4 of the current (1999) Zoological Code is reviewed and the original spellings of two tribal names, Nymphisterini Tishechkin (Histeridae) and Cryptonotopsisini Pace (Staphylinidae), are resurrected. The tribal name Stictocraniini Jakobson (Staphylinidae) is also resurrected as the valid name for its new synonym Fenderiini Scheerpeltz. Changes at the genus-group level in Histeridae include placing Contipus Marseul as a new synonym of Hister Linnaeus due to the current placement of its validly designated type species C. subquadratus Marseul; proposal of Contipides Newton gen. nov. (type species Contipus digitatus Marseul) for the 10 species that had remained in Contipus of authors; and new designation of Idolia laevigata Lewis as type species of Idolia Lewis. In Ptiliidae, Rodwayia ovata Lea is newly designated as type species of Rodwayia Lea, and Throscidium germainii Matthews is newly designated as type species of Throscidium Matthews. In Staphylinidae, Paramichrotus Naomi is resurrected as a valid subgenus of Hesperosoma Scheerpeltz with Hemihesperosoma Hayashi placed as a new synonym of it; Sonoma corticina Casey is reaffirmed as the type species of Sonoma Casey in place of Faronus tolulae LeConte; Stanosthetus Dejean is recognized as an available name and junior synonym of Euplectus Kirby; Taplandria Pace (type species T. guyanensis Pace) is recognized as a junior homonym and new synonym of Taplandria Pace (type species T. flava Pace); and Termitobiella Wasmann is resurrected as the valid name for the genus Felda Blackwelder. Replacement names for preoccupied generic or subgeneric names include in Histeridae Bellatricides Newton nom. nov. for Pachylister (Bellatrix) Mazur, junior homonym of Bellatrix Boie; and in Staphylinidae Foxiides Newton nom. nov. for Foxia Pace, junior homonym of Foxia Ashmead, and Xenasterides Newton nom. nov. for Xenaster Bierig, junior homonym of Xenaster Simonwitsch. Taxonomic changes at the generic level in Staphylinidae include proposal of Prolibia Newton gen. nov. (type species Lispinus californicus LeConte) for four Nearctic species recently placed in Clavilispinus Bernhauer; placement of Heterotrochinus Coiffait and its synonym Heterotrochus Coiffait as new synonyms of Eulibia Cameron; placement of the generic or subgeneric names Chapmaniella Bernhauer, Glenothorax Bierig, Euryolinus Bernhauer and Plesiolinus Bernhauer as new synonyms of Platydracus Thomson; and transfer of the subgenus Poikilodracus Scheerpeltz from Staphylinus Linnaeus to Platydracus. First reviser actions are used to select Georissites Ponomarenko (Georissidae) as the correct original spelling over the alternate original spelling Georyssites, and Kyrtusa Pace (Staphylinidae) as correct original spelling over Kirtusa. Several hundred nomenclatural and taxonomic changes at the species group level are briefly summarized here but are too numerous to list completely. Replacement names for preoccupied species or subspecies names in current use are proposed in Histeridae (3), Hydrochidae (1), Hydrophilidae (1), Leiodidae (2), Ptiliidae (3) and Staphylinidae (180); an additional staphylinid replacement name, Phloeopora nilgiriensis, is newly proposed by G. Paśnik. New or resurrected combinations are proposed for either nomenclatural or taxonomic reasons in the following genera (with indication of how many names in each genus): in Histeridae, Contipides Newton (10); in Staphylinidae, Abemus Mulsant and Rey (4), Allotrochus Fagel (6), Atheta Thomson (1), Cheilocolpus Solier (4), Eulibia Cameron (4), Foxiides Newton (1), Lispinus Erichson (3), Loncovilius Germain (2), Nacaeus Blackwelder (119), Naddia Fauvel (1), Neohypnus Coiffait and Sáiz (8), Neolosus Blackwelder (1), Ocypus Leach (2), Ontholestes Ganglbauer (1), Platydracus Thomson (59), Prolibia Newton (4) Termitobiella Wasmann (10), Thyreocephalus Guérin-Méneville (4), Xenasterides Newton (1), and Zeoleusis Steel (3). First reviser actions are used to resolve the correct original spellings (of two or more original spellings) of two species of Hydraena Kugelann (Hydraenidae) and 21 species of Staphylinidae. Changes in priority or availability of names are cited to establish the following names as valid over one or more new synonyms each: Acrotrichis rotundata (Haldeman) and Acrotrichis glabricollides Newton sp. nov. in Ptiliidae, Nemadiopsis franki Perreau in Leiodidae, and Gyrophaena nigra Kraatz, Heterothops fumigatus LeConte, Loncovilius germaini (Scheerpeltz), Philonthus upotovus Newton, sp. nov., Stenus fulviventris Rougemont, and nine species of Homalota Mannerheim in Staphylinidae. Finally, the species Eleusis lata Coiffait and Eleusis microlestiformis Coiffait are noted as not belonging to the genus Eleusis Laporte de Castelnau or to Staphylinidae, and are transferred without generic assignment to the subfamily Inopeplinae of the family Salpingidae

    Current Classification of the Families of Coleoptera

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    (excerpt) Several works on the order Coleoptera have appeared in recent years, some of them creating new superfamilies, others modifying the constitution of these or creating new families, finally others are genera1 revisions of the order. The authors believe that the current classification of this order, incorporating these changes would prove useful. The following outline is based mainly on Crowson (1960, 1964, 1966, 1967, 1971, 1972, 1973) and Crowson and Viedma (1964). For characters used on classification see Viedma (1972) and for family synonyms Abdullah (1969). Major features of this conspectus are the rejection of the two sections of Adephaga (Geadephaga and Hydradephaga), based on Bell (1966) and the new sequence of Heteromera, based mainly on Crowson (1966), with adaptations

    The Beetle Tree of Life  Reveals the Order Coleoptera Survived End Permain Mass Extinction to Diversify During the Cretaceous Terrestrial Revolution

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    Here we present a phylogeny of beetles (Insecta: Coleoptera) based on DNA sequence data from eight nuclear genes, including six single-copy nuclear protein-coding genes, for 367 species representing 172 of 183 extant families. Our results refine existing knowledge of relationships among major groups of beetles. Strepsiptera was confirmed as sister to Coleoptera and each of the suborders of Coleoptera was recovered as monophyletic. Interrelationships among the suborders, namely Polyphaga (Adephaga (Archostemata, Myxophaga)), in our study differ from previous studies. Adephaga comprised two clades corresponding to Hydradephaga and Geadephaga. The series and superfamilies of Polyphaga were mostly monophyletic. The traditional Cucujoidea were recovered in three distantly related clades. Lymexyloidea was recovered within Tenebrionoidea. Several of the series and superfamilies of Polyphaga received moderate to maximal clade support in most analyses, for example Buprestoidea, Chrysomeloidea, Coccinelloidea, Cucujiformia, Curculionoidea, Dascilloidea, Elateroidea, Histeroidea and Hydrophiloidea. However, many of the relationships within Polyphaga lacked compatible resolution under maximum-likelihood and Bayesian inference, and/or lacked consistently strong nodal support. Overall, we recovered slightly younger estimated divergence times than previous studies for most groups of beetles. The ordinal split between Coleoptera and Strepsiptera was estimated to have occurred in the Early Permian. Crown Coleoptera appeared in the Late Permian, and only one or two lineages survived the end-Permian mass extinction, with stem group representatives of all four suborders appearing by the end of the Triassic. The basal split in Polyphaga was estimated to have occurred in the Triassic, with the stem groups of most series and superfamilies originating during the Triassic or Jurassic. Most extant families of beetles were estimated to have Cretaceous origins. Overall, Coleoptera experienced an increase in diversification rate compared to the rest of Neuropteroidea. Furthermore, 10 family-level clades, all in suborder Polyphaga, were identified as having experienced significant increases in diversification rate. These include most beetle species with phytophagous habits, but also several groups not typically or primarily associated with plants. Most of these groups originated in the Cretaceous, which is also when a majority of the most species-rich beetle families first appeared. An additional 12 clades showed evidence for significant decreases in diversification rate. These clades are species-poor in the Modern fauna, but collectively exhibit diverse trophic habits. The apparent success of beetles, as measured by species numbers, may result from their associations with widespread and diverse substrates - especially plants, but also including fungi, wood and leaf litter - but what facilitated these associations in the first place or has allowed these associations to flourish likely varies within and between lineages. Our results provide a uniquely well-resolved temporal and phylogenetic framework for studying patterns of innovation and diversification in Coleoptera, and a foundation for further sampling and resolution of the beetle tree of life.Facultad de Ciencias Naturales y Muse

    Primary chaetotaxy of the larval head capsule and head appendages of the Hydrophilidae (Coleoptera) based on larva of Hydrobius fuscipes (Linnaeus, 1758)

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    The primary chaetotaxy of the larval head capsule and head appendages of the family Hydrophilidae (Insecta:Coleoptera) is described and illustrated using the larva of Hydrobius fuscipes (Linnaeus, 1758) as a model, and comparedwith fifteen hydrophilid taxa representing all main taxonomic groups within the family; brief comparative notes with representativesof the families Helophoridae, Spercheidae, Hydrochidae and Histeridae are also provided. Primary chaetotaxicnomenclature is developed for the Hydrophilidae, allowing the use of chaetotaxic characters for phylogeneticstudies as well as diagnostic purposes. The study of representatives of the families Helophoridae, Hydrochidae andSpercheidae suggests that this nomenclature can also be effectively applied to other hydrophiloid families. Chaetotaxicnomenclature systems used in larvae of other groups of Coleoptera are briefly reviewed.Fil: Fikáček, Martin. National Museum. Department of Entomology; República Checa. Charles University. Faculty of Science. Department of Zoology; República ChecaFil: Archangelsky, Miguel. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - Centro Nacional Patagónico; Argentina. Universidad Nacional de la Patagonia "San Juan Bosco". Facultad de Ciencias Naturales - Sede Esquel. Departamento de Biología. Laboratorio de Investigaciones en Ecología y Sistemática Animal; ArgentinaFil: Torres, Patricia Laura Maria. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Departamento de Biodiversidad y Biología Experimental. Laboratorio de Entomología; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Oficina de Coordinación Administrativa Ciudad Universitaria. Instituto de Biodiversidad y Biología Experimental y Aplicada. Universidad de Buenos Aires. Facultad de Ciencias Exactas y Naturales. Instituto de Biodiversidad y Biología Experimental y Aplicada; Argentin

    Staphylinidae from Under Bark and at Sap of Trees, a Preliminary Survey of Species Possibly Beneficial to Forestry (Coleoptera)

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    Two hundred and one species of Staphylinidae known to be found under bark or at sap of trees are listed. The possibility of these insects being important elements in the population dynamics of forest pests is discussed. An indication is given of the distribution and habitat of each species

    The Beetle Tree of Life Reveals that Coleoptera Survived End-Permium Mass Extinction to Diversify During the Cretaceous Terrestrial Revolution

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    Here we present a phylogeny of beetles (Insecta: Coleoptera) based on DNA sequence data from eight nuclear genes, including six single-copy nuclear protein-coding genes, for 367 species representing 172 of 183 extant families. Our results refine existing knowledge of relationships among major groups of beetles. Strepsiptera was confirmed as sister to Coleoptera and each of the suborders of Coleoptera was recovered as monophyletic. Interrelationships among the suborders, namely Polyphaga (Adephaga (Archostemata, Myxophaga)), in our study differ from previous studies. Adephaga comprised two clades corresponding to Hydradephaga and Geadephaga. The series and superfamilies of Polyphaga were mostly monophyletic. The traditional Cucujoidea were recovered in three distantly related clades. Lymexyloidea was recovered within Tenebrionoidea. Several of the series and superfamilies of Polyphaga received moderate to maximal clade support in most analyses, for example Buprestoidea, Chrysomeloidea, Coccinelloidea, Cucujiformia, Curculionoidea, Dascilloidea, Elateroidea, Histeroidea and Hydrophiloidea. However, many of the relationships within Polyphaga lacked compatible resolution under maximum-likelihood and Bayesian inference, and/or lacked consistently strong nodal support. Overall, we recovered slightly younger estimated divergence times than previous studies for most groups of beetles. The ordinal split between Coleoptera and Strepsiptera was estimated to have occurred in the Early Permian. Crown Coleoptera appeared in the Late Permian, and only one or two lineages survived the end-Permian mass extinction, with stem group representatives of all four suborders appearing by the end of the Triassic. The basal split in Polyphaga was estimated to have occurred in the Triassic, with the stem groups of most series and superfamilies originating during the Triassic or Jurassic. Most extant families of beetles were estimated to have Cretaceous origins. Overall, Coleoptera experienced an increase in diversification rate compared to the rest of Neuropteroidea. Furthermore, 10 family-level clades, all in suborder Polyphaga, were identified as having experienced significant increases in diversification rate. These include most beetle species with phytophagous habits, but also several groups not typically or primarily associated with plants. Most of these groups originated in the Cretaceous, which is also when a majority of the most species-rich beetle families first appeared. An additional 12 clades showed evidence for significant decreases in diversification rate. These clades are species-poor in the Modern fauna, but collectively exhibit diverse trophic habits. The apparent success of beetles, as measured by species numbers, may result from their associations with widespread and diverse substrates – especially plants, but also including fungi, wood and leaf litter – but what facilitated these associations in the first place or has allowed these associations to flourish likely varies within and between lineages. Our results provide a uniquely well-resolved temporal and phylogenetic framework for studying patterns of innovation and diversification in Coleoptera, and a foundation for further sampling and resolution of the beetle tree of life

    Series Scarabaeiformia Crowson 1960, Superfamily Scarabaeoidea Latreille 1802

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    The superfamily Scarabaeoidea is a large, diverse, cosmopolitan group of beetles. Scarabaeoids are adapted to most habitats, and they are fungivores, herbivores, necrophages, coprophages, saprophages, and some are carnivores. They are widely distributed, even living in the Arctic in animal burrows. Some scarabs exhibit parental care and sociality. Some are myrmecophilous, termitophilous, or ectoparasitic. Many possess extravagant horns, others are able to roll into a compact ball, and still others are highly armored for inquiline life. Some are agricultural pests that may destroy crops while others are used in the biological control of dung and dung flies. Scarabaeoids are popular beetles due to their large size, bright colors, and interesting natural histories. Early Egyptians revered the scarab as a god, Jean Henri Fabre studied their behavior, and Charles Darwin used observations of scarabs in his theory of sexual selection

    Integrated phylogenomics and fossil data illuminate the evolution of beetles

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    Beetles constitute the most biodiverse animal order with over 380,000 described species and possibly several million more yet unnamed. Recent phylogenomic studies have arrived at considerably incongruent topologies and widely varying estimates of divergence dates for major beetle clades. Here we use a dataset of 68 single-copy nuclear protein coding genes sampling 129 out of the 193 recognized extant families as well as the first comprehensive set of fully-justified fossil calibrations to recover a refined timescale of beetle evolution. Using phylogenetic methods that counter the effects of compositional and rate heterogeneity we recover a topology congruent with morphological studies, which we use, combined with other recent phylogenomic studies, to propose several formal changes in the classification of Coleoptera: Scirtiformia and Scirtoidea sensu nov., Clambiformia ser. nov. and Clamboidea sensu nov., Rhinorhipiformia ser. nov., Byrrhoidea sensu nov., Dryopoidea stat. res., Nosodendriformia ser. nov., and Staphyliniformia sensu nov., Erotyloidea stat. nov., Nitiduloidea stat. nov., and Cucujoidea sensu nov., alongside changes below the superfamily level. Our divergence time analyses recovered a late Carboniferous origin of Coleoptera, a late Paleozoic origin of all modern beetle suborders, and a Triassic–Jurassic origin of most extant families, while fundamental divergences within beetle phylogeny did not coincide with the hypothesis of a Cretaceous Terrestrial Revolution
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