Distribution and relative abundance of insect vectors of xylella fastidiosa in olive groves of the iberian peninsula
The phytosanitary emergency caused by the spread of Xylella fastidiosa in the Mediterranean has raised demands for a better understanding of the ecology of its presumed and candidate insect vectors. Here, we present the results of a two-year survey carried out in olive groves across southern, eastern and Central Spain and northeastern Portugal. Several sampling methods were tested and compared to select the most appropriate to estimate population levels of potential vectors of X. fastidiosa. The spittlebugs Philaenus spumarius and Neophilaenus campestris (Hemiptera: Aphrophoridae) were the main species associated with olive groves. Both species were widely present on herbaceous ground vegetation within the olive groves; P. spumarius mainly associated with Asteraceae and N. campestris with Poaceae. Due to the patchy distribution of spittlebugs within the olive groves, sweep nets were the most effective and least time-consuming sampling method for the estimation of population size both in the ground cover and tree canopies. Trends in population density showed that spittlebugs can be abundant on ground vegetation but very rare on olive canopies. Spittlebugs disperse in late spring to non-cultivated hosts that act as natural reservoirs. In late fall, adults return to the olive groves for oviposition. However, olive trees may act as transient hosts for spittlebugs and high population densities of these insect vectors should be avoided in areas where X. fastidiosa is present.
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Multidisciplinary Digital Publishing Institute
2018-12-01
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Subjects: | Philaenus spumarius, Neophilaenus campestris, Population density, Sampling methods, Spittlebugs, |
Online Access: | http://hdl.handle.net/10261/173571 http://dx.doi.org/10.13039/501100000780 |
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dig-ias-es-10261-1735712021-12-27T16:16:15Z Distribution and relative abundance of insect vectors of xylella fastidiosa in olive groves of the iberian peninsula Morente, Marina Cornara, Daniele Plaza, María Durán, José Manuel Capiscol, Carmen Trillo, Raquel Ruiz, Manuel Ruz-Ortiz, Carmen Sanjuan, Susana Pereira, Jose Alberto Moreno, Aránzazu Fereres, Alberto European Commission Philaenus spumarius Neophilaenus campestris Population density Sampling methods Spittlebugs The phytosanitary emergency caused by the spread of Xylella fastidiosa in the Mediterranean has raised demands for a better understanding of the ecology of its presumed and candidate insect vectors. Here, we present the results of a two-year survey carried out in olive groves across southern, eastern and Central Spain and northeastern Portugal. Several sampling methods were tested and compared to select the most appropriate to estimate population levels of potential vectors of X. fastidiosa. The spittlebugs Philaenus spumarius and Neophilaenus campestris (Hemiptera: Aphrophoridae) were the main species associated with olive groves. Both species were widely present on herbaceous ground vegetation within the olive groves; P. spumarius mainly associated with Asteraceae and N. campestris with Poaceae. Due to the patchy distribution of spittlebugs within the olive groves, sweep nets were the most effective and least time-consuming sampling method for the estimation of population size both in the ground cover and tree canopies. Trends in population density showed that spittlebugs can be abundant on ground vegetation but very rare on olive canopies. Spittlebugs disperse in late spring to non-cultivated hosts that act as natural reservoirs. In late fall, adults return to the olive groves for oviposition. However, olive trees may act as transient hosts for spittlebugs and high population densities of these insect vectors should be avoided in areas where X. fastidiosa is present. This work has been financially supported by European Union Horizon 2020 research and innovation program under grant agreements no. 635646 POnTE (Pest Organisms Threatening Europe), and no. 727987 XF-ACTORS (Xylella Fastidiosa Active Containment Through a multidisciplinary-Oriented Research Strategy). Peer reviewed 2018-12-21T14:52:26Z 2018-12-21T14:52:26Z 2018-12-01 2018-12-21T14:52:26Z artículo http://purl.org/coar/resource_type/c_6501 Insects 9(4): 175 (2018) http://hdl.handle.net/10261/173571 10.3390/insects9040175 2075-4450 http://dx.doi.org/10.13039/501100000780 30513710 #PLACEHOLDER_PARENT_METADATA_VALUE# #PLACEHOLDER_PARENT_METADATA_VALUE# info:eu-repo/grantAgreement/EC/H2020/635646 info:eu-repo/grantAgreement/EC/H2020/727987 Publisher's version https://doi.org/10.3390/insects9040175 Sí open Multidisciplinary Digital Publishing Institute |
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Philaenus spumarius Neophilaenus campestris Population density Sampling methods Spittlebugs Philaenus spumarius Neophilaenus campestris Population density Sampling methods Spittlebugs |
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Philaenus spumarius Neophilaenus campestris Population density Sampling methods Spittlebugs Philaenus spumarius Neophilaenus campestris Population density Sampling methods Spittlebugs Morente, Marina Cornara, Daniele Plaza, María Durán, José Manuel Capiscol, Carmen Trillo, Raquel Ruiz, Manuel Ruz-Ortiz, Carmen Sanjuan, Susana Pereira, Jose Alberto Moreno, Aránzazu Fereres, Alberto Distribution and relative abundance of insect vectors of xylella fastidiosa in olive groves of the iberian peninsula |
description |
The phytosanitary emergency caused by the spread of Xylella fastidiosa in the Mediterranean has raised demands for a better understanding of the ecology of its presumed and candidate insect vectors. Here, we present the results of a two-year survey carried out in olive groves across southern, eastern and Central Spain and northeastern Portugal. Several sampling methods were tested and compared to select the most appropriate to estimate population levels of potential vectors of X. fastidiosa. The spittlebugs Philaenus spumarius and Neophilaenus campestris (Hemiptera: Aphrophoridae) were the main species associated with olive groves. Both species were widely present on herbaceous ground vegetation within the olive groves; P. spumarius mainly associated with Asteraceae and N. campestris with Poaceae. Due to the patchy distribution of spittlebugs within the olive groves, sweep nets were the most effective and least time-consuming sampling method for the estimation of population size both in the ground cover and tree canopies. Trends in population density showed that spittlebugs can be abundant on ground vegetation but very rare on olive canopies. Spittlebugs disperse in late spring to non-cultivated hosts that act as natural reservoirs. In late fall, adults return to the olive groves for oviposition. However, olive trees may act as transient hosts for spittlebugs and high population densities of these insect vectors should be avoided in areas where X. fastidiosa is present. |
author2 |
European Commission |
author_facet |
European Commission Morente, Marina Cornara, Daniele Plaza, María Durán, José Manuel Capiscol, Carmen Trillo, Raquel Ruiz, Manuel Ruz-Ortiz, Carmen Sanjuan, Susana Pereira, Jose Alberto Moreno, Aránzazu Fereres, Alberto |
format |
artículo |
topic_facet |
Philaenus spumarius Neophilaenus campestris Population density Sampling methods Spittlebugs |
author |
Morente, Marina Cornara, Daniele Plaza, María Durán, José Manuel Capiscol, Carmen Trillo, Raquel Ruiz, Manuel Ruz-Ortiz, Carmen Sanjuan, Susana Pereira, Jose Alberto Moreno, Aránzazu Fereres, Alberto |
author_sort |
Morente, Marina |
title |
Distribution and relative abundance of insect vectors of xylella fastidiosa in olive groves of the iberian peninsula |
title_short |
Distribution and relative abundance of insect vectors of xylella fastidiosa in olive groves of the iberian peninsula |
title_full |
Distribution and relative abundance of insect vectors of xylella fastidiosa in olive groves of the iberian peninsula |
title_fullStr |
Distribution and relative abundance of insect vectors of xylella fastidiosa in olive groves of the iberian peninsula |
title_full_unstemmed |
Distribution and relative abundance of insect vectors of xylella fastidiosa in olive groves of the iberian peninsula |
title_sort |
distribution and relative abundance of insect vectors of xylella fastidiosa in olive groves of the iberian peninsula |
publisher |
Multidisciplinary Digital Publishing Institute |
publishDate |
2018-12-01 |
url |
http://hdl.handle.net/10261/173571 http://dx.doi.org/10.13039/501100000780 |
work_keys_str_mv |
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