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Ants in citrus: impact on the abundance, species richness, diversity and community structure of predators and parasitoids

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Ants in citrus: impact on the abundance, species richness, diversity and community structure of predators and parasitoids

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dc.contributor.author Calabuig Gomar, Altea es_ES
dc.contributor.author García Mari, Ferran es_ES
dc.contributor.author Pekas, Apostolos es_ES
dc.date.accessioned 2016-05-18T11:00:36Z
dc.date.available 2016-05-18T11:00:36Z
dc.date.issued 2015-12-25
dc.identifier.issn 0167-8809
dc.identifier.uri http://hdl.handle.net/10251/64309
dc.description.abstract [EN] Although ants act as plant biotic defences, in agricultural ecosystems they are often associated with outbreaks of honeydew-producing pests mainly due to the protection they offer to the plant feeders in exchange for honeydew. In such an interaction ants may alter the abundance, diversity and community structure of predators and parasitoids. In the present study, we conducted ant-exclusion experiments in three commercial citrus orchards, each one dominated by one ant species (Pheidole pallidula, Lasius grandis or Linepithema humile) during two consecutive years (2011 and 2012). We then compared the abundance, species richness, diversity and community structure of predators and parasitoids between the ant-allowed and ant-excluded treatments. A total of 176,000 arthropods belonging to 81 taxa were captured and identified. Regarding abundance, our results showed a species specific response between treatments. When examining functional groups, in the ant-allowed treatment, seven species of predators decreased and four increased in abundance, whereas four species of parasitoids decreased and 18 increased in abundance. The species richness (S) was significantly lower for predators and higher for parasitoids in the ant-allowed treatment. The Shannon diversity index (H) was not different between treatments in the case of predators, whereas in the case of parasitoids diversity was significantly higher in the ant-allowed treatment. Finally, the community structure of predators and parasitoids was not significantly different between treatments. These results suggest that ants in the citrus agroecosystem are not associated with a dramatic decrease in natural enemy abundance or biodiversity; on the contrary ants were associated with increased parasitoid species richness and diversity. Despite the fact that ants have no negative impact on the abundance and diversity of predators and parasitoids at the community level their impact on specific natural enemy species, mainly predators, may explain the highest pest densities associated with ants in citrus. es_ES
dc.description.sponsorship This work was supported by the project (RTA2010-00012-C02-02) assigned to F.G.M. from the Instituto Nacional de Investigacion y Tecnologia Agraria y Alimentaria (INIA) of Spain. We thank Alejandro Tena for his comments that improved the manuscript. en_EN
dc.language Inglés es_ES
dc.publisher Elsevier Masson es_ES
dc.relation Instituto Nacional de Investigacion y Tecnologia Agraria y Alimentaria (INIA) of Spain RTA2010-00012-C02-02 es_ES
dc.relation.ispartof Agriculture, Ecosystems and Environment es_ES
dc.rights Reserva de todos los derechos es_ES
dc.subject Ants es_ES
dc.subject Citrus es_ES
dc.subject Biodiversity es_ES
dc.subject Community structure, parasitoids es_ES
dc.subject Predators es_ES
dc.subject Natural enemies es_ES
dc.subject.classification PRODUCCION VEGETAL es_ES
dc.title Ants in citrus: impact on the abundance, species richness, diversity and community structure of predators and parasitoids es_ES
dc.type Artículo es_ES
dc.identifier.doi 10.1016/j.agee.2015.08.001
dc.rights.accessRights Abierto es_ES
dc.contributor.affiliation Universitat Politècnica de València. Departamento de Ecosistemas Agroforestales - Departament d'Ecosistemes Agroforestals es_ES
dc.description.bibliographicCitation Calabuig Gomar, A.; Garcia Marí, F.; Pekas, A. (2015). Ants in citrus: impact on the abundance, species richness, diversity and community structure of predators and parasitoids. Agriculture, Ecosystems and Environment. 213:178-185. doi:10.1016/j.agee.2015.08.001 es_ES
dc.description.accrualMethod Senia es_ES
dc.relation.publisherversion https://dx.doi.org/10.1016/j.agee.2015.08.001 es_ES
dc.description.upvformatpinicio 178 es_ES
dc.description.upvformatpfin 185 es_ES
dc.type.version info:eu-repo/semantics/publishedVersion es_ES
dc.description.volume 213 es_ES
dc.relation.senia 301823 es_ES
dc.identifier.eissn 1873-2305


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