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The Effects of Aphid Traits on Parasitoid Host Use and Specialist Advantage

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2016
4102.pdf (469.5Kb)
Authors
Gagić, Vesna
Petrović-Obradović, Olivera
Fruend, Jochen
Kavallieratos, Nickolas G.
Athanassiou, Christos G.
Stary, Petr
Tomanović, Željko
Article (Published version)
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Abstract
Specialization is a central concept in ecology and one of the fundamental properties of parasitoids. Highly specialized parasitoids tend to be more efficient in host-use compared to generalized parasitoids, presumably owing to the trade-off between host range and hostuse efficiency. However, it remains unknown how parasitoid host specificity and host-use depends on host traits related to susceptibility to parasitoid attack. To address this question, we used data from a 13-year survey of interactions among 142 aphid and 75 parasitoid species in nine European countries. We found that only aphid traits related to local resource characteristics seem to influence the trade-off between host-range and efficiency: more specialized parasitoids had an apparent advantage (higher abundance on shared hosts) on aphids with sparse colonies, ant-attendance and without concealment, and this was more evident when host relatedness was included in calculation of parasitoid specificity. More traits influen...ced average assemblage specialization, which was highest in aphids that are monophagous, monoecious, large, highly mobile (easily drop from a plant), without myrmecophily, habitat specialists, inhabit non-agricultural habitats and have sparse colonies. Differences in aphid wax production did not influence parasitoid host specificity and host-use. Our study is the first step in identifying host traits important for aphid parasitoid host specificity and host-use and improves our understanding of bottom-up effects of aphid traits on aphid-parasitoid food web structure.

Source:
Plos One, 2016, 11, 6
Publisher:
  • Public Library Science, San Francisco
Funding / projects:
  • Multilateral European project [SEE-ERA.NET 9608]
  • Agrobiodiversity and land-use change in Serbia: an integrated biodiversity assessment of key functional groups of arthropods and plant pathogens (RS-43001)
  • German Research Foundation (DFG)German Research Foundation (DFG)

DOI: 10.1371/journal.pone.0157674

ISSN: 1932-6203

PubMed: 27309729

WoS: 000378029800120

Scopus: 2-s2.0-84976434572
[ Google Scholar ]
21
20
URI
http://aspace.agrif.bg.ac.rs/handle/123456789/4105
Collections
  • Radovi istraživača / Researchers’ publications
Institution/Community
Poljoprivredni fakultet
TY  - JOUR
AU  - Gagić, Vesna
AU  - Petrović-Obradović, Olivera
AU  - Fruend, Jochen
AU  - Kavallieratos, Nickolas G.
AU  - Athanassiou, Christos G.
AU  - Stary, Petr
AU  - Tomanović, Željko
PY  - 2016
UR  - http://aspace.agrif.bg.ac.rs/handle/123456789/4105
AB  - Specialization is a central concept in ecology and one of the fundamental properties of parasitoids. Highly specialized parasitoids tend to be more efficient in host-use compared to generalized parasitoids, presumably owing to the trade-off between host range and hostuse efficiency. However, it remains unknown how parasitoid host specificity and host-use depends on host traits related to susceptibility to parasitoid attack. To address this question, we used data from a 13-year survey of interactions among 142 aphid and 75 parasitoid species in nine European countries. We found that only aphid traits related to local resource characteristics seem to influence the trade-off between host-range and efficiency: more specialized parasitoids had an apparent advantage (higher abundance on shared hosts) on aphids with sparse colonies, ant-attendance and without concealment, and this was more evident when host relatedness was included in calculation of parasitoid specificity. More traits influenced average assemblage specialization, which was highest in aphids that are monophagous, monoecious, large, highly mobile (easily drop from a plant), without myrmecophily, habitat specialists, inhabit non-agricultural habitats and have sparse colonies. Differences in aphid wax production did not influence parasitoid host specificity and host-use. Our study is the first step in identifying host traits important for aphid parasitoid host specificity and host-use and improves our understanding of bottom-up effects of aphid traits on aphid-parasitoid food web structure.
PB  - Public Library Science, San Francisco
T2  - Plos One
T1  - The Effects of Aphid Traits on Parasitoid Host Use and Specialist Advantage
IS  - 6
VL  - 11
DO  - 10.1371/journal.pone.0157674
ER  - 
@article{
author = "Gagić, Vesna and Petrović-Obradović, Olivera and Fruend, Jochen and Kavallieratos, Nickolas G. and Athanassiou, Christos G. and Stary, Petr and Tomanović, Željko",
year = "2016",
abstract = "Specialization is a central concept in ecology and one of the fundamental properties of parasitoids. Highly specialized parasitoids tend to be more efficient in host-use compared to generalized parasitoids, presumably owing to the trade-off between host range and hostuse efficiency. However, it remains unknown how parasitoid host specificity and host-use depends on host traits related to susceptibility to parasitoid attack. To address this question, we used data from a 13-year survey of interactions among 142 aphid and 75 parasitoid species in nine European countries. We found that only aphid traits related to local resource characteristics seem to influence the trade-off between host-range and efficiency: more specialized parasitoids had an apparent advantage (higher abundance on shared hosts) on aphids with sparse colonies, ant-attendance and without concealment, and this was more evident when host relatedness was included in calculation of parasitoid specificity. More traits influenced average assemblage specialization, which was highest in aphids that are monophagous, monoecious, large, highly mobile (easily drop from a plant), without myrmecophily, habitat specialists, inhabit non-agricultural habitats and have sparse colonies. Differences in aphid wax production did not influence parasitoid host specificity and host-use. Our study is the first step in identifying host traits important for aphid parasitoid host specificity and host-use and improves our understanding of bottom-up effects of aphid traits on aphid-parasitoid food web structure.",
publisher = "Public Library Science, San Francisco",
journal = "Plos One",
title = "The Effects of Aphid Traits on Parasitoid Host Use and Specialist Advantage",
number = "6",
volume = "11",
doi = "10.1371/journal.pone.0157674"
}
Gagić, V., Petrović-Obradović, O., Fruend, J., Kavallieratos, N. G., Athanassiou, C. G., Stary, P.,& Tomanović, Ž.. (2016). The Effects of Aphid Traits on Parasitoid Host Use and Specialist Advantage. in Plos One
Public Library Science, San Francisco., 11(6).
https://doi.org/10.1371/journal.pone.0157674
Gagić V, Petrović-Obradović O, Fruend J, Kavallieratos NG, Athanassiou CG, Stary P, Tomanović Ž. The Effects of Aphid Traits on Parasitoid Host Use and Specialist Advantage. in Plos One. 2016;11(6).
doi:10.1371/journal.pone.0157674 .
Gagić, Vesna, Petrović-Obradović, Olivera, Fruend, Jochen, Kavallieratos, Nickolas G., Athanassiou, Christos G., Stary, Petr, Tomanović, Željko, "The Effects of Aphid Traits on Parasitoid Host Use and Specialist Advantage" in Plos One, 11, no. 6 (2016),
https://doi.org/10.1371/journal.pone.0157674 . .

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