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Articles, 24 records found
Articles 24 records found  1 - 10nextend  jump to record:
1.
11 p, 964.5 KB A preliminary checklist of the ants (Hymenoptera, Formicidae) of Andorra / Bernadou, Abel (Universitat Autònoma de Barcelona. Departament de Biologia Animal, de Biologia Vegetal i d'Ecologia) ; Fourcassié, Vincent (Centre national de la recherche scientifique. Centre de Recherches sur la Cognition Animale) ; Espadaler, Xavier, dir. (Universitat Autònoma de Barcelona. Departament de Biologia Animal, de Biologia Vegetal i d'Ecologia)
Within the last decade, checklists of the ant fauna of several European countries have been published or updated. Nevertheless, no ant checklists have hitherto been published for the principality of Andorra, a small landlocked country located in the eastern part of the Pyrenees. [...]
2013 - 10.3897/zookeys.277.4684
ZooKeys, Issue 277 (March 2013) , p. 13-23  
2.
8 p, 149.9 KB The Myrmecophilic cricket Myrmecophilus in Spain (Orthoptera, Myrmecophilidae) / Espadaler, Xavier (Centre de Recerca Ecològica i Aplicacions Forestals) ; Olmo Vidal, J.M. (Generalitat de Catalunya. Direcció General del Medi Natural)
Two species of myrmecophilous crickets, Myrmecophilus acervorum and Myrmecophilus ochraceus, are here established as present in the Iberian Peninsula. The generic host range for M. acervorum is limited to one genus, Lasius. [...]
2011
Sociobiology, Vol. 57, Issue 2 (2011) , p. 321-328  
3.
12 p, 111.0 KB Ant–aphid relations in Costa Rica, Central America (Hymenoptera: Formicidae; Hemiptera: Aphididae) / Espadaler, Xavier (Centre de Recerca Ecològica i Aplicacions Forestals) ; Pérez Hidalgo, Nicolás (Universidad de León. Departamento de Biodiversidad y Gestión Ambiental) ; Villalobos Muller, William (Universidad de Costa Rica. Centro de Investigación en Biología Celular y Molecular)
We present the first catalogue of ant-aphid associations (Hymenoptera: Formicidae / Hemiptera: Aphididae) of Costa Rica. 29 species of ants and 18 species of aphids establish 48 relationships. Those interactions seem not to be rare in Costa Rica.
2012
Sociobiology, Vol. 59, Issue 3 (2012) , p. 959-970  
4.
6 p, 819.2 KB Ant-fungus interactions : laboulbenia camponoti batra in Italy and a new host for L. formicarum thaxter (Fungi: Ascomycota, Laboulbeniales) / Gómez, Kiko (Castelldefels) ; Espadaler, Xavier (Centre de Recerca Ecològica i Aplicacions Forestals) ; Santamaría del Campo, Sergio (Universitat Autònoma de Barcelona. Departament de Biologia Animal, de Biologia Vegetal i d'Ecologia)
One Laboulbenia species is added to the checklist of Italian fungi. Laboulbenia camponoti was detected on the ant Camponotus aethiops. Additionally, L. formicarum was found on a new host (Lasius niger) in France. [...]
2016 - 10.13102/sociobiology.v63i3.1057
Sociobiology, Vol. 63, issue 3 (September 2016) , p. 950-955  
5.
2 p, 45.2 KB Teleutomyrmex schneideri Kutter, 1950 en España (Hymenoptera, Formicidae) / Espadaler, Xavier (Universitat Autònoma de Barcelona. Departament de Biologia Animal, de Biologia Vegetal i d'Ecologia) ; Cuesta, D. (Universidad de León. Departamento de Biologia Animal)
2006 - 10.3989/graellsia.2006.v62.i2.69
Graellsia, Vol. 62, N. 2 (2006) , p. 261-262  
6.
7 p, 326.3 KB The oldest ant in the Lower Cretaceous amber of Charente-Maritime (SW France) (Insecta : Hymenoptera : Formicidae) / Nel, A. (Muséum National d'Histoire Naturelle (París, França)) ; Perrault, G. ; Perrichot, V. (Géosciences Rennes I) ; Néraudeau, D. (Géosciences Rennes I) ; Centre National de Recherche Scientifique (França)
Gerontoformica cretacica n. gen. , n. sp. , until now the oldest known ant, is described after a putative worker specimen, from the Uppermost Albian amber of France. Although its characters are those of modern ants, it does not fit in any recent ant subfamilies.
2004 - 10.1344/105.000001630
Geologica acta, Vol. 2, Núm. 1 (2004) , p. 23-29  
7.
6 p, 145.5 KB Estudio comparado de la genitalia de dos poblaciones españolas de Cataglyphis (Hym., Formicidae), grupo albicans de color negro / Haro, Andrés de (Universitat Autònoma de Barcelona. Departament de Biologia Animal, de Biologia Vegetal i d'Ecologia) ; Collingwood, Cedric. A. (City Museum (Leeds, Regne Unit))
El estudio de la genitalia masculina de dos poblaciones de Cataglyphis grupo albicans de color negro, de Tarifa (Cádiz) y Bellaterra (Barcelona), inicialmente consideradas por diferencias de coloración como C. [...]
The study of male genitalia of two populations of Cataglyphis group albicans, black colour, from Tarifa (Cádiz) and Bellaterra (Barcelona), previously considered by differences in colour as C. albicans and C . [...]

1996
Orsis : Organismes i Sistemes, V. 11 (1996) p. 53-58  
8.
10 p, 311.8 KB Estrategias alternativas en el ciclo de vida de tres hormigas mediterráneas / Cerdá, Xim (Université Paris Nord. Laboratoire d'Ethologie et Sociobiologie) ; Retana Alumbreros, Javier (Universitat Autònoma de Barcelona. Departament de Biologia Animal, de Biologia Vegetal i d'Ecologia) ; Bosch, Jordi (Universitat de Barcelona. Departament de Biologia Animal) ; Cros, Sebastià
Se ha estudiado el ciclo biológico de tres especies de hormigas mediterráneas, y se han constatado importantes diferencias entre ellas. Cataglyphis cursor hibema sin descendencia y completa un ciclo de nidada entre los meses de abril y septiembre. [...]
Colony life cycles of three mediterranean ants have been analyzed, and important differences have been found among them. Cataglyphis cursor does not keep brood during the winter, and rears new individuals from egg to adult in only one activity period, from April to September. [...]

1992
Orsis : Organismes i Sistemes, V. 7 (1992) p. 87-96  
9.
8 p, 292.3 KB Poblaciones meridionales de Lasius flavus (Fabr.) y L. myops Forel : estudio biométrico (Hymenoptera, Formicidae) / Suñer, David (Universitat de Girona. Laboratori de Zoologia) ; Espadaler, Xavier (Universitat Autònoma de Barcelona. Departament de Biologia Animal, de Biologia Vegetal i d'Ecologia) ; Gómez, C.
Counts of ommatidia number versus maximum head width in 469 workers of the ant species Lasius flavus (Fabr. ) and Lasius myops Forel provide evidence that the rule proposed by Seifert (1983) for central european populations is useful to differentiante meridional populations of both species. [...]
Se ha realizado un estudio biométrico (anchura cefálica, número de ornatidios) en 469 obreras del par de especies Lasius flavus (Fabr. ) y Lasius myops Forel. Se demuestra que el criterio separador propuesto por Seifert (1983) para poblaciones septentrionales es perfectamente aplicable a poblaciones meridionales. [...]

1991
Orsis : Organismes i Sistemes, V. 6 (1991) p. 101-108  
10.
16 p, 396.4 KB Contribución al conocimiento faunístico de los formícidos de la Sierra de Collserola (Barcelona) / Lombarte, Antoni (Universitat Autònoma de Barcelona. Laboratori de Zoologia) ; Romero de Tejada, Sergio (Universitat Autònoma de Barcelona. Laboratori de Zoologia) ; Haro, Andrés de (Universitat Autònoma de Barcelona. Laboratori de Zoologia)
A total of 27 species of Formicidae were found. A direct relationship between vegetation structure and ant communities was observed. A clear difference between three communities can be recognised. There was a total of 10 ant species in the littoral holm-oak wood, with a density of 31 nests/100 m2. [...]
Hemos encontrado en la sierra de Collserola un total de 27 especies de formicidos. Existe una relación directa entre la estructura de las comunidades vegetales y las poblaciones de hormigas que se encuentran en ellas. [...]

1989
Orsis : Organismes i Sistemes, V. 4 (1989) p. 125-140  

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