Joaquin-Luis Reyes-López

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• PhD
• Professor at University of Córdoba

Two new species of the genus Oxyopomyrmex are described from Spain (Iberian Peninsula). The first belongs to the magnus group—characterized by a head more wide than long—and is distinguished by strongly developed cephalic striations, pale coloration (light brown) and a relatively small body size. To date, it has been recorded in the provinces of Ja...

Urban gardens can be crucial for preserving the biodiversity in cities, but their construction often leads to shifts in local ant communities due to drastic habitat changes. Over time, ant communities can recover as species arrive from surrounding habitats. In this study, we explored ant community dynamics over ten years in four gardens of varying...

This is the first report of the presence of Cardiocondyla obscurior in Morocco. This exotic species was collected from tree trunks in several public gardens in Tangier, bringing the total number of non-native tramp ant species documented in Morocco to 17. Originally, native to the Indomalayan region, C. obscurior has been progressively establishing...

Nuevos datos sobre Aphaenogaster splendida en Andalucía (España).

Scavenging of small avian corpses may provide ants with a valuable source of nutrients, a possibility poorly studied. Here, we assessed whether ants are efficient carrion‐decomposers of avian corpses in Mediterranean dehesas through an exclusion experiment comparing decomposition rates among three treatments: vertebrate exclusion, vertebrate + inve...

We present a checklist of 26 ant species found in Mauritania, based on published, unpublished, and new records. There are published records of only 15 ant species from Mauritania, almost all based on specimens collected during a 1908 expedition. In September 2022, we surveyed ants for three days in the Dakhlet Nouadhibou Region of northwestern Maur...

Harvester ants, particularly the genus 𝘔𝘦𝘴𝘴𝘰𝘳, are widely studied due to their complex foraging behaviors and high traffic on trunk trails, although not all species in this genus utilize trunk trails. However, unlike some ant species with segregated lanes, most ants, exhibit bi-directional movement on foraging trails. This lack of lane segregation...

Harvester ants are one of the most extensively studied groups of ants, especially the group foraging ants, 𝘔𝘦𝘴𝘴𝘰𝘳 𝘣𝘢𝘳𝘣𝘢𝘳𝘶𝘴 (Linnaeus, 1767), which construct long-lasting trunk trails. Limited laboratory investigations have delved into head-on encounters along foraging trails involving workers moving in opposing directions, with fewer corresponding...

Harvester ants are known to be species that collect seeds of plants and store them in underground chambers. Workers forage solitarily or in groups, and the intensity of their foraging depends, among other things, on the rate of food intake. To evaluate the efficiency of foraging in response to food distribution, we studied the foraging rate on diff...

The coastline of El Jadida province is one of Morocco’s Atlantic coastal areas with exceptional biological, ecological, and landscape interest, ranging from the mouth of the Oum Er Rabia river to the dunes and coastal forests. However, this protected area remains little known in terms of its entomological component and has not yet benefited from an...

New records of Monomorium andrei Saunders, 1890 and Aphaenogaster striativentris Forel, 1895 (Hymenoptera, Formicidae) in the province of Cordoba, Spain

Morocco hosts a high diversity of animal and plant species, including a diverse ant fauna. Here, we report collection records of four ant species not previously known from Morocco: Goniomma kugleri Espadaler, 1986, Strumigenys rogeri Emery, 1890, Temnothorax longipilosus (Santschi, 1912) and Proceratium numidicum Santschi, 1912. G. kugleri is menti...

Context dependence arises when ecological relationships vary with the conditions under which they are observed. Context dependence of interactions involving parasites is poorly known, even if it is key to understanding host-parasite relationships and food web dynamics. This paper researches to which extent predation pressure on an avian ectoparasit...

Cataglyphis otini Santschi, 1929 and C. cubica (Forel, 1903) are firstly reported as host ants for the myrmecophilous beetle species Thorictus buigasi Escalera, 1923 from Morocco, which expands its host list previously limited to Cataglyphis viatica (Fabricius, 1787). Its association with C. viatica widens its geographical distribution and it is re...

Las invasiones biológicas son la segunda causa de pérdida de biodiversidad a escala planetaria (Cassini, 2020). Las especies exóticas a menudo prosperan y se vuelven invasoras en los ecosistemas urbanos (Cadotte et al., 2017; Marques et al., 2020). Como resultado, estos pueden contener una gran cantidad de especies exóticas, definidas como especies...

Aim The standard latitudinal diversity gradient (LDG), in which species richness decreases from equator to pole, is a pervasive pattern observed in most organisms. Some lineages, however, exhibit inverse LDGs. Seemingly problematic, documenting and studying contrarian groups can advance understanding of LDGs generally. Here, we identify one such co...

An unstoppable process: The first record of Pheidole cfr navigans Forel, 1901 (Hymenoptera, Formicidae) for continental Spain (Southern Europe)

Es un hecho que los insectos se mueven por el planeta usando nuestras rutas de transporte globalizadas (Turner et al., 2021). En el caso concreto de las hormigas, es determinante el transporte de árboles y plantas vivas, así como madera y frutas (Suhr et al., 2019). Ya se está constatando cómo la llegada de estas nuevas especies está ocasionando gr...

The Intercontinental Biosphere Reserve of the Mediterranean Morocco/Spain (IBRM) covers an area of approximately 1,000,00 ha, about half-way between the Spanish and Moroccan Mediterranean shores. In October 2006, it became the first Intercontinental Reserve to be approved by UNESCO. The geographical extent of the reserve covers some of the most emb...

1. Parasites are one of the main actors in host–parasite interactions. Still, their role as a prey and the related consequences for such interactions and in other respects, such as food webs, are frequently overlooked. 2. This paper analyses predation pressure on a ubiquitous avian ectoparasitic fly, Carnus hemapterus, identifies their main natural...

The oases of Morocco, located between the Mediterranean and the Sahara ecoregions, constitute the main defence system of the temperate region against desert encroachment. This study aims to determine species richness and distribution of native and non-native ants in the oases of southern Morocco. Survey campaigns were conducted in 11 oases between...

Descripción de una nueva especie para la península ibérica: Temnothorax alfacarensis n. sp. (Hymenoptera, Formicidae) Description of a new species from the Iberian Peninsula: Temnothorax alfacarensis n. sp. (Hymenoptera, Formicidae)

Biotic invasions have become major agents of human-driven global change. One of the most virulent species for trees is the Dutch elm disease (DED) (Ophiostoma novo-ulmi). However, few are the studies that investigate its indirect impact on the fauna. In a well-preserved area of Sierra Morena (Cordoba, Spain), we report the repercussion of tree cove...

When sampling with pitfall traps, possible bias factors should be considered. In this study we compare traps of two depths. The results show that, on average, deeper traps captured more ant species (Hymenoptera: Formicidae) and higher numbers of workers, and that the relative abundances of the species were different depending on the depth of the tr...

Riparian forests play multitude of fundamental roles in the preservation of the environment. In order to assess its conservation state, different indexes can be used, such as the QBR (‘Qualitat del bosc de ribera’) that estimates conservation status of the riparian forest. Another widely used way of estimating the state of an ecosystem can be based...

The ‘dehesas’ are important and vast agro-silvo-pastoral systems typical of the Iberian Peninsula that are undergoing a crisis due to their low economic profitability and environmental degradation. Thus, it is necessary to identify effective tools that provide a reliable idea of the status of these ecosystems as a starting point for future measures...

Las trampas de caída son uno de los sis-temas de muestreo más usados y eficaces en la captura de hormigas. No obstante, existen estudios que demuestran que la variación de ciertas características de las trampas (e.g., tamaño de la boca, material , tapa, killingagent), acarrea sesgos en los resultados que dificulta su comparación con los muestreos r...

Objetivo: comprobar la divergencia genética de Liometopum apiculatum con base al fragmento Citocromo oxidasa subunidad I, usando tres poblaciones diferentes.Diseño/Metodología/Enfoque: Se tomaron muestras de poblaciones de L. apliculatum (escamol) en tres sitios de recolección: Otumba, Estado de México; Pinos, Zacatecas y Matehuala, San Luis Potosí...

Biological invasions are one of the main causes of biodiversity loss, especially on oceanic islands. Ants are among the most damaging pests in the world. After systematic sampling of more than 1,000 localities in the Canary Islands, six new exotic ant species are reported for the first time: Pheidole bilimeki (Myrmicinae), Pheidole navigans (Myrmic...

A new protocol for ecological restoration through harvester ant Messor barbarus (Hymenoptera: Formicidae).

Pitfall traps are among the most common sampling methods used for the study of ants. There are many types of traps and many possible ways of using them. The various methodologies may introduce biases in sampling. One possible bias may be caused by the digging‐in effect (DE), resulting in higher catches of ants immediately after traps are set in the...

Las trampas de caída son un sistema de captura pasivo usado para la descripción de comunidades de artrópodos epigeos. A pesar de ser un sistema ampliamente usado por la comunidad científica, presenta ciertas deficiencias debidas a los sesgos producidos por las distintas variables y modificaciones que se le aplican. Todo esto dificulta la comparació...

Biotic resistance by native communities could have a role in the spread of invasive species. This seems to be the case in the invasion of the Argentine ant, Linepithema humile, but only when the environment is unfavorable for the survival of the invader. We studied the progress of Argentine ant invasion through favorable and unfavorable habitats of...

Table S1. Ants sampled in the Segura River Basin (south-east Iberian Peninsula; 2012-2014)

Biotic resistance by native communities could have a role in the spread of invasive species. This seems to be the case in the invasion of the Argentine ant, Linepithema humile, but only when the environment is unfavorable for the survival of the invader. We studied the progress of Argentine ant invasion through favorable and unfavorable habitats of...

Cádiz is a port city in the south of the Iberian Peninsula, a geographic location which could facilitate the establishment of exotic species because of enhanced commerce and improved transportation. In the present study, we collected ants in urban green areas. Fifteen species are reported, six of which are native in Spain and nine are exotic and...

Redescubrimiento de Tetramorium bicarinatum (Nylander, 1846) (Hymenoptera, Formicidae) en la ciudad de Córdoba. ¿Refugios tropicales privados?

Soil and changes in vegetation may affect ant assemblages, but the relative importance of each in different habitats is not well characterized. In particular, information on the effects of ecological restoration on arthropods is scarce. It was decided, therefore, to study how reforestation may affect an ant assemblage. Ants were sampled in area tha...

The work submitted in this paper presents the first checklist of the ant species of the Segura River Basin based on a review of specific literature and biological material collected during field work conducted from 2012 to 2016. Our findings recorded 110 species that belong to 30 genera of ants and twenty-two of these species have been recorded for...

Para la conservación de la biodiversidad es fundamental la implicación de las personas, y para ello es necesario realizar una tarea de sensibilización y concienciación. Con el objetivo de promover la participación directa de los alumnos en experiencias reales, en el Campus de Rabanales de la Universidad de Córdoba se han desarrollado diferentes exp...

Para la conservación de la biodiversidad es fundamental la implicación de las personas, y para ello es necesario realizar una tarea de sensibilización y concienciación. Con el objetivo de promover la participación directa de los alumnos en experiencias reales, en el Campus de Rabanales de la Universidad de Córdoba se han desarrollado diferentes exp...

La diversidad estructural de la vegetación es uno de los elementos que más afecta a la diversidad animal, ya que proporciona refugio, amortigua las variaciones climáticas, etc. En nuestro trabajo, trataremos de ver la posible relación entre las encinas (Quercus ilex rotundifolia) de las dehesas de Andalucía y la comunidad de hormigas (Hymenoptera:...

Morocco has a rich ant fauna with 237 known species, of which 14 (5.9%) are widespread tramp ants considered non-native in Morocco. In the present study, we collected ants in urban areas of 13 Moroccan regions to examine the spread of non-native species. We found that the known distribution of non-native ants is expanding along the Mediterranean an...

We describe here a new ant species in the genus Temnothorax, species group laurae, based on morphological evidence supported by other biological information. It has been discovered at two locations in southeast Spain: Pulpí (Almería) and Lorca (Murcia). This species is a member of the laurae species group based on the following characters: large ey...

La dehesa es un agroecosistema de explotación ganadera y/o cinegética propia del clima mediterráneo, dentro del cual hemos querido analizar cómo la diversidad de hormigas (Hym., Formicidae) actúa como subrogado del resto de grupos de artrópodos edáficos. Nuestro estudio se ha enmarcado dentro del proyecto LIFE (LIFE11/BIO/ES/000726 “BioDehesa”) que...

Tetramorium lanuginosum Mayr, 1870 is reported for the first time from Morocco. This exotic species was captured in a flower pot in the old city of Marrakech, bringing the number of non-native tramp ants reported in Morocco to 10 species. With this record, T. lanuginosum, originally from tropical and subtropical East Asia, is now known from all sou...

In May 2016, we collected ants at 16 sites in the city of Tangier, Morocco, primarily in urban gardens and parks. We found a total of 38 ant species, including eight non-native tramp species, Cardiocondyla emeryi, Linepithema humile, Nylanderia jaegerskioeldi, Paratrechina longicornis, Pheidole megacephala, Strumigenys membranifera, Tetramorium bic...

RESUMEN En la actualidad, el suelo del olivar está sufriendo un importante impacto debido a la realización de intensos laboreos sobre el mismo, que repercuten tanto en su propia conservación, como en la biodiversidad que alberga. Por este motivo, cada vez está siendo más evidente la necesidad de llevar a cabo manejos sobre el olivar que no contempl...

The alien species Linepithema humile (Mayr, 1868) is reported for the first time in the Basque Country, in nine coastal municipalities in Vizcaya and one more in Guipuzcoa. Maps with the new occurrence localities and updated known distribution in the Iberian peninsula are provided.

The short communication describe a second record of Cardiocondyla obscurior in Spain in a new context: the coexistence of C. obscurior with Linepithema humile and Cardiocondyla mauritanica.

El Parque Natural Regional es un nuevo concepto de zona protegida que se aplicará en Marruecos. Inspirado por la experiencia francesa se puede definir como un Parque Regional: una zona rural frágil, reconocido a nivel nacional por su extraordinario patrimonio; un área que permite el desarrollo socio-económico de su gente y la protección de su patri...

Los géneros Goniomma y Oxyopomyrmex están constituidos por especies de hormigas granívoras típicos de la región mediterránea. Como características comunes presentan ojos grandes, con una morfología arriñonada, ubicados bajo la línea media de la cabeza. Los pocos estudios filogenéticos en los que aparecen algunas especies de estos géneros concluyen...

In this poster shows the phylogenetic relationships between te Iberian species of the genus Camponotus based on mitochondrial DNA sequences.

The aggressive behaviour of Anochetus ghilianii (Spinola, 1851) was estimated in the laboratory by observing the outcome of individual confrontations between workers belonging to 17 colonies according to the geographical distance between these colonies. This study aimed to better understand the social organization of this species and its mode of re...

Afin de contribuer à la connaissance de la faune myrmécologique du Rif en général et de la Réserve de Biosphère Intercontinentale de la Méditerranée (RBIM) en particulier, une étude complète et intégrale sur ce groupe d‘insectes dans le Parc Nationalde Talassemtane (PNTLS), aire protégée, la plus originale de la partie marocaine de la RBIM, a été m...

Este trabajo está encaminado al conocimiento de las especies de hormigas de Sierra de San Carlos del Valle, una cadena montañosa situada en la zona este de la provincia de Ciudad Real (Castilla-La Mancha). Sus microclimas, condicionados por la orografía, le confieren una gran diversidad biológica, siendo un importante refugio para muchas especies d...

Los jardines urbanos cada vez juegan un papel más importante, no sólo en la calidad de vida y salud humana, sino como herramienta de conservación y refugio de especies nati-vas. Una vez más, el estudio de la mirmecofauna se convierte en una herramienta destaca-ble para evaluar la calidad y estado de conservación de los jardines gracias a su condici...

Effect of the temperature and atmospheric pressure on the ant fauna occurring in urban gardens in south of the Iberian Peninsula as determinant factor of captures in pitfall traps.

Se actualiza la distribución del endemismo ibérico Goniomma baeticum (Reyes & Rodríguez, 1995) en la Península Ibérica. Se trata de una especie estrictamente granívora que tiene preferencia por pastizales abiertos, con escasa o nula vegetación arbustiva o arbórea. Estos hábitats, frecuentemente, se encuentran muy manejados y sobrepastoreados, lo qu...

Sierra Madrona es una cadena montañosa perteneciente a Sierra Morena que se sitúa en el extremo suroccidental de la provincia de Ciudad Real (Castilla-La Mancha). Sus microclimas, condicionados por la orografía, le confieren una gran diversidad biológica, siendo un importante refugio para muchas especies de distribución ibérica más septentrional. D...

ABSTRACT The aggressive behaviour of Anochetus ghilianii (Spinola, 1851) was estimated in the laboratory by observing the outcome of individual confrontations between workers belonging to 17 colonies according to the geographical distance between these colonies. This study aimed to better understand the social organization of this species and its m...

Anochetus ghilianii is the only species of the genus Anochetus found in Europe. Its presence in the southernmost region of the Iberian Peninsula (Province of Cadiz) is puzzling. Anochetus ghilianii's poor dispersal capabilities (colony foundation by foot and wingless queens) suggest that its presence in the Iberian Peninsula must be ancient, dating...

El género Teleutomyrmex constituye uno de los ejemplos más notables dentro del parasitismo social. Carece por completo de obreras y los sexuados presentan unas adaptaciones morfológicas especiales, que les permiten vivir aferrados de una manera muy estrecha, a las reinas de Tetramorium, género al que parasitan (Buschinger, 1985; Buschinger, 1987).

A recent catalogue of the rich ant fauna of Morocco included 214 species, with later studies adding an additional 12 species. Following recent fieldwork in the north of Morocco, we report five new records for the country (Plagiolepis pygmaea Latreille, 1798, Ponera testacea Emery, 1895, Strumigenys tenuipilis Emery, 1915, Temnothorax pardoi Tinaut,...

The natural park of Sierra Tejeda, Almijara y Alhama, considered one of the main cores of yew (Taxus baccata) of Andalusia, has been central point of several ecological surveys and and declared a Special Protection Area of Birds, however none information about its myrmecofauna is available. With this poster, we try to make known the beginning of a...

Goniomma baeticum (Reyes & Rodríguez, 1995) es una especie con obreras de una morfología muy similar a G. hispanicum, de la que se diferencia por los sexuados. Fue descrita de Córdoba, en 1995 y desde entonces no se ha publicado nada sobre su distribución. Esta especie es estrictamente granívora y tiene preferencia por pastizales abiertos, con esc...

Sierra Madrona es una cadena montañosa perteneciente a Sierra Morena que se sitúa en el extremo suroccidental de la provincia de Ciudad Real (Castilla La Mancha). Sus microclimas condicionados por la orografía le confieren una gran diversidad biológica, siendo un importante refugio para muchas especies de distribución ibérica más septentrional. Dur...

Currently the introduction and spread of invasive species is an issue of great concern. To effectively manage this problem it is essential to know what constitute invasion hotspots. In this respect, the role of urban green areas in the conservation of biodiversity is a controversial matter. These areas may either favour colonization by alien specie...

Afin de contribuer à la connaissance de la faune myrmécologique du Rif en général et de la Réserve de Biosphère Intercontinentale de la Méditerranée (RBIM) en particulier, une étude complète et intégrale sur ce groupe d’insectes dans le Parc National de Talassemtane (PNTLS), aire protégée, la plus originale de la partie marocaine de la RBIM, a été...

Currently the introduction and spread of invasive species is an issue of great concern. To effectively manage this problem it is essential to know what constitute invasion hotspots. In this respect, the role of urban green areas in the conservation of biodiversity is a controversial matter. These areas may either favour colonization by alien specie...

Se presenta la información obtenida en los muestreos realizados en Sierra Mágina (Jaén) durante el periodo 2010-2012. Se contabilizan un total de 53 especies de hormigas, lo que supone un incremento de 31 especies respecto al trabajo inicial de 2011 y de los registros bibliográficos. Además, se aportan interesantes aspectos sobre la distribución de...