Iberian Odonata distribution: data o…

Occurrence dataset published by Department of Organisms and Systems Biology. University of Oviedo

  • 16,604

    Occurrences
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Summary

Full Title

Iberian Odonata distribution: data of the BOS Arthropod Collection (Univ. Oviedo, Spain)

Description

Odonata specimens kept in the Arthropod Collection BOS of University of Oviedo (subcollection code BOS-Odo), provides a good geographical and taxonomic representation of Odonata in the Iberian Peninsula (98.63% of records), the northern half being specially well-represented, and BOS is the largest dragonfly collection from this area. On-line database includes records of 16604 specimens (off-line database with all determinations comprises 17846 items). Iberian Odonata records available through GBIF from other datasets total only 2700 records, whereas dragonfly records from Spain (1784-2009) are estimated in about 12000 records. These facts highlight the importance of this dataset. Regarding taxonomic coverage of BOS Arthropod Collection, Coenagrionidae and Calopterygidae, --with ~ 21% of the Odonata specimens each one-- are the most abundant families, followed by Libellulidae and Gomphidae. The BOS Arthropod Collection contains specimens of 71 Odonata species out of the 79 known from the Iberian Peninsula (90%), including the holotypes and some paratypes of the Iberian subspecies Calopteryx haemorrhoidalis asturica Ocharan, 1983 and Sympetrum vulgatum ibericum Ocharan, 1985. All specimens have been reviewed for taxonomic identification and names updated. Specimens in dataset expand from 1950 to present, being the 1980? and 2000? the best-represented decades. Dataset is also provided in DarwinCore Archive format.

Purpose

This dataset has been created with the aim to make available the biodiversity data of the odonates deposited in the Arthropod Collection BOS (subcollection of Odonada: BOS-Odo). Iberian Odonata records (and available databases) and dragonfly records/ databases are scanty when compared with other European countries, being the difference of several orders of magnitude [for comparable areas]. Iberian Odonata records hosted by GBIF (excluding this dataset) only reach 2700 items (http://data.gbif.org, accessed 2013/04/04), whereas dragonfly records from Spain (1784-2009) are estimated in about 12000 records (authors unpublished data). Dragonfly biodiversity known is broader in other European countries, and databases available greatly exceed these numbers: British Odonata database comprises 500,000 records (Parr 2010), Dutch database more than 307,000 (Termaat et al. 2010), North Rhine-Westphalia 150,000 (Conce et al. 2010) or Flandes 55,000 (De Knijf & Anselin, 2010). In this framework, the BOS-Odo dataset is a significant contribution of primary data available for ecological, faunistic and conservation purposes, especially considering their geographical and temporal distribution.

Additional Information

A list of publications citing Iberian odonate data contained in this dataset in provided as annex.

Temporal coverages

Date range: Jan 1, 1950 - Jan 1, 2012

Language of Data

 

Administrative contact
Antonio Torralba-Burrial
Cluster de Energía, Medioambiente y Cambio Climático, Plaza de Riego 4, Oviedo, Asturias ES, 33071 0034985104845

Published by

Department of Organisms and Systems Biology. University of Oviedo

Publication Date

Apr 8, 2013

Registration Date

Mar 30, 2011

Hosted by

GBIF-Spain

Served by

GBIF Spain IPT

Links

Alternative Identifiers

External Data

Metadata Documents

Taxonomic Coverage

All specimens were identified to species or subspecies. All nine dragonfly families recorded of the Iberian Peninsula are present in the collection and dataset. Coenagrionidae and Calopterygidae, with ~ 21% of the records each one, are the most represented families, followed by Libellulidae and Gomphidae (~ 16% of the specimens) (Fig. 1). Of the 79 species of Odonata known from the Iberian Peninsula (Torralba Burrial 2009; Mezquita Aranburu et al. 2011) , the BOS Arthropod Collection have specimens of 71 (90%), including holotypes and paratypes of the Iberian subspecies Calopteryx haemorrhoidalis asturica Ocharan, 1983 and Sympetrum vulgatum ibericum Ocharan, 1985.

PHYLUM
Arthropoda (Arthropods)
CLASS
Insecta (Insects)
ORDER
Odonata (Dragonflies)
FAMILY
Calopterygidae, Coenagrionidae, Lestidae, Platycnemididae, Aeshnidae, Cordulegastridae, Corduliidae, Gomphidae, Libellulidae

15,538 Georeferenced data

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Description

Most of the specimens (98.63% of total data) from the Iberian Peninsula (mainly Spain, but also records of Portuga… more

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Geographic Coverage

Most of the specimens (98.63% of total data) from the Iberian Peninsula (mainly Spain, but also records of Portugal) (Fig. 2). North of Peninsula is better covered: Asturias (~ 4100 specimens) and Huesca (~3400) are the provinces with more exemplars, followed by Navarra, Teruel, Zaragoza, León, Álava and Vizcaya (between 1700-500 records). Data of other 32 Spanish provinces and 2 old Portuguese continental provinces (3 districts) are available in the database. Other countries appear in the collection with few specimens: Morocco and Austria, the following countries by specimens, have 40 registers each one.

Informatización de la Colección de Artrópodos BOS de la Universidad de Oviedo / Digitalisation of the BOS Arthropod Collection of University of Oviedo.

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Study area description

Odonata specimens kept in BOS Arthropod Collection are almost all from Iberian Peninsula. This peninsula covers and area about 581,300 km2, between 36º and 43º 47’ N, located at southwest end of Europe. The location and relief distribution of the Iberian Peninsula converted Iberia during the Quaternary in a glacial refuge (and speciation centre) for many groups of organisms, with limited contact with the rest of the continent, besides also having been colonized later by fauna from other origin.

Design description

Odonata fauna of the Iberian Peninsula consists of 79 species (Torralba-Burrial 2009, Mezquita Aranburu et al. 2011). Knowledge of the distribution of these Iberian dragonflies has significant gaps, being much lower than in other European countries (UK, France, Germany, Belgium...)(e.g., Boudot et al. 2009). Lack of information about distribution is a major concern in a period with distribution changes drive by climate change, including new African species arriving to Iberian fauna (see examples in Torralba-Burrial, 2009). First aim of the project is generate the dataset with the distribution of specimens deposited in the largest dragonfly collection from the Iberian Peninsula (BOS Arthropod Collection of University of Oviedo) to reduce those distribution gaps. Before digitalisation, preservation status of specimens was reviewed and enhance if necessary (label status, preservation method…). All available data associated to specimens (location and successive identification labels, publications, preservation method and status…) were included in a database using ZOORBAR software. Retrospective georeferencing was carried out when lacking in original sources (labels, publications) and coordinates checked with digital cartography when present. Current accurate spelling of scientific names and identification of specimens were reviewed as there are explained at quality controls section.

Funding

Digitalisation of this biological collection is supported by Spanish National R+D+i Plan (MICINN, Spanish Government, grant ref. PTA2010-4108-I) and PCTI Asturias (Asturias Regional Government, ref. COF11-38) through a contract for ATB.

Project Personnel

Author
Antonio Torralba-Burrial

Associated parties

Technical contact
Antonio Torralba-Burrial

Methodology

Study extent

Dragonflies deposited in the subcollection of Odonata of the BOS Arthropod Collection are mainly from the north half of the Iberian Peninsula, collected between 1973 and 2012 (some outliers from other territories or other periods). Half of the Iberian odonates records of the dataset are from the 2000s and a quarter of the 1980s, which can facilitate comparisons over time to assess changes in distribution related to global change, climate change or specific alterations of ecosystems.

Sampling description

Material deposited in the Odonata subcollection of the BOS Arthropod Collection has been incorporated by three ways: 1) Specimens from PhD dissertations carried out in the University of Oviedo account for 54.75% of specimens: Ocharan Larrondo 1987 (4108 specimens), Torralba-Burrial 2008 (3213) and Outomuro Priede 2011 (1769). 2) Specimens collected within the scope of research projects, contracts, and studies development in the Department of Biology of Organisms and Systems of the University of Oviedo (32.15% of records). 3) Specimens from other sources: collections of students of Degrees of Biology and of Forestry Engineering of the University of Oviedo, practical courses and diffuse sources (13.1% of records). Odonates from the sources 1 and 2 were collected, predominantly, within standardized sampling in each PhD thesis or project, specimens of source 3 are considered as derived from opportunistic, unplanned and non-standardized sampling. General sampling settings include that adult dragonflies (75.76% of records) were collected with an entomological net; exuviae (18.35%) picked directly and larvae (5.82%) with an entomological or a Surber net. Ocharan Larrondo (1987) specimens were collected mainly in the provinces of Asturias (42.14%), Guipúzcoa (12.95%), Burgos and Cáceres (~8.8% each one), León (6.57%), Cantabria and Vizcaya (3.2% each one), with some specimens from other regions (14.1%). Sampling was carried out trying to capture all species present in each locality. Torralba-Burrial (2008) specimens are all from Aragón, including adults (184 localities, sampling until all species seen in each locality each day were captured, minimum two sampling campaigns), larvae (standardized Surber net sampling in 140 fluvial reaches: Torralba-Burrial & Ocharan 2007) and exuviae (search in the river banks of the 140 reaches sampled, at least two sampling campaigns in each locality). Outomuro Priede (2011) specimens are almost all imagines of Calopteryx spp., with a standardized specimens’ number in each locality sampled. It is not feasible to describe in detail the specific methodologies of each project or study of source 2), but all follow the general guidelines outlined above. In the last few years studies, as a contribution to conservation, adults' catching has been reduced and replaced as far as possible by photographic records (not included in the dataset), unless sacrifice of specimens was necessary for reasons of the specific project.

Quality control

Identifications of all specimens have been revised (or identified by first time when no determination label was available in the material) by A. Torralba-Burrial between 2010-2012 using suitable literature (adults: Askew 2004, Dijkstra & Lewington 2006; larvae and exuviae: Askew 2004, Doucet 2010). Scientific names on labels were checked with a taxonomic thesaurus. Specimens data labels were checked against related PhD dissertations and publications when available. Georeferences shown in published sources were assumed as true when no coordinates were included on specimens’ labels, previously comparing published coordinates with localities location. Unique collections accession numbers were assigned to each specimen. Other validation procedures included geographic coordinates format, coordinates within countries boundaries, coherence between collection and identification dates and absence of ASCII anomalous characters in the dataset were checked with DARWIN_TEST v1.3 software (http://www.gbif.es/darwin_test/Darwin_test.php).

Method Steps

  1. Previously to digitalization, odonates present in BOS Arthropod Collection were examined and their preserved status revised: specimens were pinned, labelled and frozen to deparasitation when necessary. After preparation, half (48%) of specimens hosted in the collection are adults pinned, 22% preserved in 70º ethanol, 18% exuviae dried and 11% dry specimens in transparent envelopes, all of them stored in metal cabinets in a cold chamber to 6 ºC. Dried specimens pinned before 2000 were in entomological boxes with naphthalene as insecticide, later replaced by paradichlorobenzene, which affect all dry specimens. All data available in the specimens' labels were included in a database using ZOORBAR software (http://www.gbif.es/zoorbar/zoorbar.php) that exports data in Darwincore v1.2 format. A taxonomic thesaurus was developed, that includes all synonyms used in Iberian Odonata publications and spelling variants of scientific names. This thesaurus allows collect and archive names as appear on the specimens’ labels, in a virtually error-free fashion. Retrospective georeferencing of specimens was carried out using digital cartography (GOOGLE EARTH, IBERPIX http://www2.ign.es/iberpix/visoriberpix/visorign.html). All coordinates were captured in MGRS format in the off-line database, but transform to geographic coordinates (in decimal degrees) for the online publication. Coordinates of threatened species protected by law (e.g. Macromia splendens (Pictet, 1843), Oxygastra curtisii (Dale, 1834), Gomphus graslinii Rambur, 1842, Coenagrion mercuriale (Charpentier, 1840)) have been generalised to 0.01º in the on-line database. Dataset was transformed in a DarwinCore Archive format and uploaded to the Integrated Publishing Toolkit (IPT v2.0.4 http://www.gbif.org/informatics/infrastructure/publishing) of the Spanish node of the Global Biodiversity Information Facility (GBIF). Offline version of the dataset includes identification history of each specimens (17846 items), habitats where were collected and notes on materials derived from specimens (e.g., microscopic preparations, morphometric data, publications…). Those details are available on request.

Specimen Preservation method

Refrigerated

Curational Units

  • 16,604 ± 0 specimens

References

Torralba Burrial A (2008) Estado ecológico, comunidades de macroinvertebrados y de odonatos de la red fluvial de Aragón. PhD thesis, Oviedo, Spain: Universidad de Oviedo.

Ocharan Larrondo FJ (1987). Los Odonatos de Asturias y España. Aspectos sistemáticos y faunísticos. PhD thesis, Oviedo, Spain: Universidad de Oviedo. , http://www.unioviedo.es/BOS/Zoologia/artropodos/odonata/OcharanLarrondo1987.pdf

Outomuro Priede D (2011) Posibles causas evolutivas de la variabilidad morfológica en especies ibéricas de Calopteryx Leach, 1815 (Odonata). PhD thesis, Oviedo, Spain: Universidad de Oviedo.

Verdú JR, Numa C, Galante E (eds) (2011) Atlas y Libro Rojo de los Invertebrados amenazados de España (Especies Vulnerables). Dirección General de Medio Natural y Política Forestal, Ministerio de Medio Ambiente, Medio Rural y Marino, Madrid, 1318 pp. , http://www.magrama.gob.es/es/biodiversidad/temas/inventarios-nacionales/inventario-especies-terrestres/inventario-nacional-de-biodiversidad/default_invert_amenazados_vulnerables.aspx

Outomuro D, Torralba-Burrial A, Ocharan FJ (2010) Distribution of the Iberian Calopteryx damselflies and its relation with bioclimatic belts: Evolutionary and biogeographic implications. Journal of Insect Science, 10: 61. , http://www.insectscience.org/10.61/i1536-2442-10-61.pdf

Galante E, Verdú JR (2000) Los Artrópodos de la “Directiva Hábitats” en España. Organismo Autónomo de Parques Nacionales, Ministerio de Medio Ambiente, Madrid, 247 pp.

Ocharan Larrondo FJ, Anadón Alvarez MA, Melero Cimas VX, Monteserín Real S, Ocharan Ibarra R, Rosa García R, Vázquez Felechosa MT (2003) Invertebrados de la Reserva Natural Integral de Muniellos, Asturias. Consejería de Medio Ambiente del Principado de Asturias & KRK Ediciones, Oviedo, 352 pp.

Nores Quesada C, García-Rovés González P (coord.) (2006) Libro Rojo de la Fauna del Principado de Asturias. Gobierno del Principado de Asturias y Obra social “la Caixa”, Oviedo, 524 pp. , http://www.asturias.es/portal/site/medioambiente/menuitem.d9985524fce59a8edc4ccd10a6108a0c/?vgnextoid=2df7e1864d82e210VgnVCM10000098030a0aRCRD&vgnextchannel=6d1cd772921b9110VgnVCM1000006a01a8c0RCRD&i18n.http.lang=es

Torralba-Burrial A (2009) Estado ecológico, comunidades de macroinvertebrados bentónicos y de odonatos de la red fluvial de Aragón. Consejo Económico y Social de Aragón, Zaragoza, 224 pp. , http://www.aragon.es/estaticos/GobiernoAragon/OrganosConsultivos/ConsejoEconomicoSocialAragon/Areas/Publicaciones/TESIS/2009/TESIS_ODONATOS.pdf

Verdú JR, Galante E (eds.) (2009) Atlas de los Invertebrados Amenazados de España (Especies En Peligro Crítico y En Peligro). Dirección General para la Biodiversidad, Ministerio de Medio Ambiente, Madrid, 340 pp. , http://www.magrama.gob.es/es/biodiversidad/temas/conservacion-de-especies-amenazadas/invertebrados/index2010-10-28_21.01.02.3771.aspx

Álvarez MA, Torralba-Burrial A (2012) Primera cita de Sympetrum meridionale (Selys, 1841) (Odonata: Libellulidae) para Asturias (norte de la Península Ibérica). Boletín de la Sociedad Entomológica Aragonesa 51: 346.

Ocharan R, Ocharan FJ, Torralba-Burrial A (2012) Primeras citas de Anax parthenope (Sélys, 1839) (Odonata: Aeshnidae) en Asturias (N España). Boletín de la Asociación española de Entomología 36: 465-467. , http://www.entomologica.es/index.php?d=publicaciones&num=60&w=1512

Rodríguez-Martínez S, Torralba-Burrial A (2012). Teratología en el paraprocto derecho de una exuvia de Aeshna cyanea (Müller, 1764) (Odonata: Aeshnidae). Boletín de la Sociedad Entomológica Aragonesa 51: 321-322.

Outomuro D, Ocharan, FJ (2011) The larval-life history of Calopteryx virgo meridionalis in Northern Spain and the voltinism in the South-western European species of the genus Calopteryx (Odonata: Calopterygidae). Entomologia Generalis 33: 125-135. , http://www.schweizerbart.de/papers/entomologia/detail/33/79239/The_larval_Life_History_of_Calopteryx_virgo_meridi

Rodríguez-Martínez S, Outomuro D, Ocharan FJ (2011) Odonatos de la cuenca baja del Porcía y alrededores (Asturias, norte de España). Boletín de la Sociedad Entomológica Aragonesa 48: 484-486.

Torralba-Burrial A (2011) Les llibélules d'Asturies. Ciencies, Cartafueyos Asturianos de Ciencia y Teunoloxía 1: 54-79.

Torralba-Burrial A, Alonso-Naveiro M (2011) Biodiversidad de odonatos de la sierra de Fonfría y cuenca del Jiloca (Teruel): análisis de comunidades. Xiloca 39: 151-168. , http://www.google.es/url?sa=t&rct=j&q=&esrc=s&source=web&cd=1&cad=rja&ved=0CDUQFjAA&url=http%3A%2F%2Fwww.xiloca.com%2Fdata%2FBases%2520datos%2FXiloca%2FX_39_151.pdf&ei=5UNPUZOwEobX7AbXqoGwDg&usg=AFQjCNEfHwZLu1lGDvYMF-R7UJYR1kwsXg&bvm=bv.44158598,d.ZGU

Outomuro D, Ocharan FJ (2010) Gomphus simillimus Sélys, 1840 (Odonata, Gomphidae) en la cuenca del Segura y el sur de la cuenca del Duero (SE y Centro de España. Boletín de la Asociación española de Entomología 34: 245-248. , http://www.entomologica.es/cont/publis/boletines/941.pdf

Outomuro D, Ocharan FJ, Herrero F, Pérez-Andueza G (2010) Primera cita de Oxygastra curtisii (Dale, 1834) para la provincia de Ávila (Odonata: Corduliidae). Boletín de la Sociedad Entomológica Aragonesa 46: 615-616.

Torralba-Burrial A, Alonso-Naveiro M 2010. Biodiversidad de odonatos de la sierra de Fonfría y cuenca del Jiloca (Teruel): faunística. Xiloca 38: 111-147. , http://www.xiloca.com/data/Bases%20datos/Xiloca/X_38_111.pdf

Torralba-Burrial A, Ocharan FJ (2010) Primera cita de Anax parthenope (Sélys, 1839) (Odonata: Aeshnidae) de La Rioja (España). Boletín de la Sociedad Entomológica Aragonesa 46: 418.

Torralba-Burrial A, Ocharan, FJ (2010) Presencia de Ischnura elegans (Vander Linden, 1829)(Odonata: Coenagrionidae) en 1980 en Louro (Galicia, noroeste de España). Boletín de la Sociedad Entomológica Aragonesa 46: 466.

Brotóns Padilla M, Ocharan FJ, Outomuro D, Torralba-Burrial A (2009) Anaciaeschna isoceles (Müller, 1767) en el ámbito iberobalear (Odonata: Aeshnidae). Boletín de la Sociedad Entomológica Aragonesa 44: 365-374.

Eroukhmanoff F, Outomuro D, Ocharan FJ, Svensson EI (2009) Patterns of phenotypic divergence in wing covariance structure of calopterygid damselflies. Evolutionary Biology 102: 263-274. , http://link.springer.com/article/10.1007%2Fs11692-009-9057-8

Outomuro D (2009) Patrones morfológicos latitudinales en poblaciones ibéricas de Calopteryx Leach, 1815 (Odonata, Calopterygidae): posibles causas ambientales y evolutivas. Boletín de la Asociación española de Entomología 33: 299-319. , http://www.entomologica.es/cont/publis/boletines/871.pdf

Torralba-Burrial A, Alonso-Naveiro M (2009) Las comunidades de libélulas (Odonata) del Parque Natural de Sierra de Cebollera (La Rioja, N España). Zubia 27: 7-52. , http://dialnet.unirioja.es/descarga/articulo/3409457.pdf

Torralba-Burrial A, Mezquita I (2009) Fallos en reconocimiento de pareja en libélulas: cinco tándems intrasexuales inter e intraespecíficos (Odonata: Lestidae, Coenagrionidae y Gomphidae). Boletín de la Sociedad Entomológica Aragonesa 44: 522-524.

Torralba-Burrial A, Ocharan FJ (2009) Temporalidad y perturbaciones antrópicas en las comunidades de macroinvertebrados bentónicos de la subcuenca del río Arba (Zaragoza, NE España). Boletín de la Real Sociedad Española de Historia Natural (Sección Biológica) 103: 131-144. , http://rshn.geo.ucm.es/index.php?d=publicaciones&num=1&w=13&ft=1

Torralba-Burrial A, Ocharan, FJ (2009) Two gynandromorphs of Sympetrum striolatum (Charpentier, 1840) (Odonata: Libellulidae). Entomological Science 12: 182-187. , http://onlinelibrary.wiley.com/doi/10.1111/j.1479-8298.2009.00321.x/abstract

Torralba-Burrial A, Ocharan FJ (2008) Odonata del Somontano de Barbastro (Huesca, España). Boletín de la Sociedad Entomológica Aragonesa 42: 267-270.

Torralba-Burrial A, Ocharan FJ (2008) Odonata de la red fluvial de la provincia de Teruel (España). Boletín de la Sociedad Entomológica Aragonesa 42: 325-335.

Torralba-Burrial A, Ocharan FJ (2008) Odonata de la red fluvial de la provincia de Huesca (NE España). Boletín de la Sociedad Entomológica Aragonesa 43: 101-115.

Torralba-Burrial A, Outomuro D, Ocharan FJ (2008) Dos ejemplares teratológicos de Coenagrion puella (Linnaeus, 1758) (Odonata: Coenagrionidae). Boletín de la Sociedad Entomológica Aragonesa 42: 352.

Ocharan FJ, Torralba-Burrial A, Outomuro D (2007). Brachytron pratense (Müller, 1764) en la Península Ibérica (Odonata, Aeshnidae). Boletín de la Sociedad Entomológica Aragonesa 41: 307-312.

Torralba-Burrial A, Ocharan FJ (2007). Dragonflies caught by plants (Odonata: Libellulidae). Entomologia Generalis 30: 301-305. , http://www.schweizerbart.de/papers/entomologia/detail/30/74477/Dragonflies_Caught_by_Plants_Odonata_Libellulidae

Torralba-Burrial A, Ocharan FJ (2007) Presencia de Hemianax ephippiger (Burmeister, 1839) (Odonata: Aeshnidae) en la provincia de Huesca (NE España). Boletín de la Sociedad Entomológica Aragonesa 40: 426.

Torralba-Burrial A, Ocharan FJ (2007). Composición biogeográfica de la fauna de libélulas (Odonata) de la Península Ibérica, con especial referencia a la aragonesa. Boletín de la Sociedad Entomológica Aragonesa 41: 179-188.

Torralba-Burrial A, Ocharan FJ (2007). Comparación del muestreo de macroinvertebrados bentónicos fluviales con muestreador Surber y con red manual en ríos de Aragón (NE Península Ibérica). Limnetica 26: 13-24. , http://www.limnetica.com/Limnetica/limne26a/L26a013_Comparacion_muestreos_Surber_red_manual.pdf

Torralba-Burrial A, Ocharan FJ (2007). Protocolo para la evaluación del estado ecológico de la red fluvial de Aragón (NE de España) según sus comunidades de macroinvertebrados bentónicos. Limnetica 26: 149-162. , http://www.limnetica.com/Limnetica/limne26b/L26b359_Estado_ecologico_rios_Aragon.pdf

Torralba-Burrial A, Melero VX, Ocharan FJ (2007). Utilización de exuvias de Orthetrum brunneum (Fonscolombe, 1837) (Odonata: Libellulidae) como lugar de cría por Sibianor aurocinctus (Ohlert, 1865) (Araneae: Salticidae). Boletín de la Sociedad Entomológica Aragonesa 41: 344.

Martínez JA, Ocharan FJ (2006). Los odonatos de la cuenca alta del río Narcea (Asturias, norte de España). Boletín de la Sociedad Entomológica Aragonesa 38: 279-285.

Ocharan FJ, Torralba-Burrial A, Outomuro D (2006). Confirmación de la presencia de Anaciaeschna isosceles (Müller, 1767) en Asturias y primera cita para Cantabria (N España) (Odonata: Aeshnidae). Boletín de la Sociedad Entomológica Aragonesa 39: 396.

Outomuro D, Ocharan FJ (2006) Despigmentación alar en Calopteryx xanthostoma (Charpentier, 1825) (Odonata: Calopterygidae). Boletín de la Sociedad Entomológica Aragonesa 39: 360.

Outomuro D, Ocharan FJ (2006). Mordeduras y daños en las alas como resultado del combate territorial en Calopteryx (Odonata: Calopterygidae). Boletín de la Sociedad Entomológica Aragonesa 39: 421-422.

Torralba-Burrial A, Ocharan FJ (2006). Confirmación de la presencia de Coenagrion mercuriale (Charpentier, 1825) e Ischnura elegans (Van der Linden, 1820) en la provincia de Zaragoza (NE España). Boletín de la Sociedad Entomológica Aragonesa 39: 284

Torralba- Burrial A, Ocharan FJ (2006). Deformidad abdominal en Pyrrhosoma nymphula (Sulzer, 1776) (Odonata: Coenagrionidae). Boletín de la Sociedad Entomológica Aragonesa 39: 437-438.

Torralba-Burrial A, Ocharan FJ (2006). Deformación abdominal en Coenagrion puella (Linnaeus, 1758) (Odonata: Coenagrionidae). Boletín de la Sociedad Entomológica Aragonesa 39: 439-440.

Torralba-Burrial A, Ocharan FJ (2005). Larga distancia recorrida en una emergencia fallida en Aeshna cyanea (Odonata: Aeshnidae). Boletín de la Sociedad Entomológica Aragonesa 36: 220. , http://www.sea-entomologia.org/PDF/BOLETIN_36/B36-037-220.pdf

Torralba-Burrial A, Ocharan FJ (2005). Primera cita de Ischnura elegans (Van der Linden, 1820) y Ceriagrion tenellum (Villers, 1789) (Odonata: Coenagrionidae) para Teruel (NE de España). Boletín de la Sociedad Entomológica Aragonesa 36: 284. , http://www.sea-entomologia.org/PDF/BOLETIN_36/B36-059-284.pdf

Torralba-Burrial A, Ocharan FJ (2005). Primera cita de Sympetrum vulgatum ibericum Ocharan, 1985 (Odonata, Libellulidae) para la provincia de Zaragoza. Boletín de la Sociedad Entomológica Aragonesa 36: 350. , http://www.sea-entomologia.org/PDF/BOLETIN_36/B36-077-350.pdf

Torralba-Burrial A, Ocharan FJ (2005). Deformidad abdominal en Coenagrion mercuriale (Charpentier, 1825). Boletín de la Sociedad Entomológica Aragonesa 36: 369-370. , http://www.sea-entomologia.org/PDF/BOLETIN_35/B35-012-163.pdf

Torralba-Burrial A, Ocharan FJ (2005). Catálogo de los odonatos de Aragón (Odonata). Catalogus de la entomofauna aragonesa 32: 3-25.

Ocharan FJ, Torralba-Burrial A (2004). La relación entre los odonatos y la altitud: el caso de Asturias (Norte de España) y la Península Ibérica (Odonata). Boletín de la Sociedad Entomológica Aragonesa 35: 103-116. , http://www.sea-entomologia.org/PDF/BOLETIN_35/B35-006-103.pdf

Torralba-Burrial A, Ocharan FJ (2004). Tándem heterospecífico en el género Onychogomphus Sélys, 1854 (Odonata: Gomphidae). Boletín de la Asociación española de Entomología 28: 181-183. , http://carn.ua.es/AEE/boletines/Vol.%2028%20(3-4)/Nota%204.pdf

Torralba-Burrial A, Ocharan FJ (2004). Presencia y comportamiento invernal de adultos de Sympetrum striolatum en el NE de España (Odonata: Libellulidae). Boletín de la Asociación española de Entomología 28: 189-191. , http://carn.ua.es/AEE/boletines/Vol.%2028%20(3-4)/Nota%206.pdf

Torralba-Burrial A, Ocharan FJ (2004). Deformación abdominal en Lestes viridis (Van der Linden, 1825) (Odonata: Lestidae). Boletín de la Sociedad Entomológica Aragonesa 34: 273. , http://www.sea-entomologia.org/PDF/BOLETIN_34/B34-059-273.pdf

Torralba-Burrial A, Ocharan FJ (2004). Fallo en la emergencia en Aeshna juncea (Odonata: Aeshnidae). Boletín de la Sociedad Entomológica Aragonesa 35: 279. , http://www.sea-entomologia.org/PDF/BOLETIN_35/B35-039-279.pdf

Torralba-Burrial A, Ocharan FJ (2004). Pareja heterospecífica en el género Lestes Leach, 1815 (Odonata: Lestidae). Boletín de la Sociedad Entomológica Aragonesa 35: 297-298. , http://www.sea-entomologia.org/PDF/BOLETIN_35/B35-052-297.pdf

Torralba-Burrial A, Ocharan FJ (2004). Frogs as preys of dragonflies. Notulae Odonatologicae, 6: 42-44.

Torralba-Burrial A, Ocharan FJ (2003). Emergencia tardía y voltinismo en Sympetrum fonscolombei (Odonata: Libellulidae). Boletín de la Sociedad Entomológica Aragonesa 33: 279-280. , http://www.sea-entomologia.org/PDF/BOLETIN_33/B33-044-279.pdf

Ocharan R, Ocharan FJ (2002). Odonatos del Valle de Cuartango (Álava). Boletín de la Asociación española de Entomología 26: 97-110. , http://entomologica.es/cont/publis/boletines/1018.pdf

Torralba-Burrial A, Ocharan FJ (2002). Valoración preliminar del estado ecológico de los ríos del Parque Nacional de Ordesa y Monte Perdido (Huesca) según sus comunidades de macroinvertebrados bentónicos. Sobrarbe. Revista del Centro de Estudios de Sobrarbe 8: 127-164.

Torralba-Burrial A, Ocharan FJ (2001). La calidad de las aguas del río Ara y sus comunidades de macroinvertebrados bentónicos. Sobrarbe. Revista del Centro de Estudios de Sobrarbe 7: 9-73.

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Torralba-Burrial A, Ocharan FJ (2007). Protocolo para la evaluación del estado ecológico de la red fluvial de Aragón (NE de España) según sus comunidades de macroinvertebrados bentónicos. Limnetica 26: 149-162.