Temporal variability of aphid biological control in contrasting landscape contexts

Raymond, Lucie; Ortiz-Martínez, Sebastián A.; Lavandero, Blas

doi:10.1016/j.biocontrol.2015.06.011

Cited by 49 publications

(41 citation statements)

References 47 publications

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“…Contrary to our results, these studies reported that greater amount of grasslands and meadows (Elliott et al, 2002;Woltz and Landis, 2014) and semi-natural habitats (Gardiner et al, 2009;Raymond et al, 2015;Woltz et al, 2012;Woltz and Landis, 2014) in the landscape affects coccinellids positively, whereas the greater amount of croplands (arable fields and orchards) affects them negatively (Grez et al, 2013). Our results obtained in perennial crop systems (apple orchards) are more consistent with the observations in natural habitats , where coccinellids colonized the natural grasslands and nettle patches from the adjacent cropland habitats (spillover) (Rand and Louda, 2006;Rand and Tscharntke, 2007).…”

Section: Effects Of Landscape Compositioncontrasting

confidence: 55%

“…Different insect species might disperse along different resource chains, i.e. they might show species-and season-specific responses to landscape composition (Raymond et al, 2015;Schellhorn et al, 2014Schellhorn et al, , 2015. Identification of these habitat use patterns is essential for understanding how different landscape elements influence natural enemies and pests, and for gaining knowledge about how to manage landscapes and agricultural fields to maximise biocontrol services (Schellhorn et al, 2015).…”

Section: Introductionmentioning

confidence: 99%

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Landscapes, orchards, pesticides–Abundance of beetles (Coleoptera) in apple orchards along pesticide toxicity and landscape complexity gradients

Markó

Elek

Kovács‐Hostyánszki

et al. 2017

Agriculture, Ecosystems & Environment

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Landscapes, orchards, pesticides-Abundance of beetles (Coleoptera) in apple orchards along pesticide toxicity and landscape complexity gradients. -Agriculture, Ecosystems and Environment, 247, AbstractLandscape composition may influence biodiversity and ecosystem services in agricultural fields.Hitherto, most studies have focused on annual crops and the available information on the impacts of landscape structure in orchards is sparse. In this study, we evaluated the effects of pesticide use as cumulative toxicity on pest and predatory beetle (Coleoptera) assemblages in the canopy of apple orchards surrounded by different proportion of semi-natural vegetation, crop fields and settlements in Hungary. Laboratory data suggest that increasing pesticide toxicity negatively affects predators (coccinellids), but we did not find such a pattern. Supposedly, the effect of pesticides was masked by the continuous recolonisation of orchards from the surrounding landscape. On the contrary, for the less mobile pest species [Anthonomus pomorum, Phyllobius oblongus (Curculionidae)] we did find a decline in abundance along the gradient of increasing pesticide toxicity. Landscape composition around the orchards significantly influenced the abundance of predatory, fungivorous and tourist species, but had no effect on pests. Contrary to expectations, however, semi-natural habitats had a minor effect compared to arable fields, orchards and settlements which habitat types had various effects on the abundance of different coleopteran groups and species. For example, Harmonia axyridis (Coccinellidae) abundance was positively affected by its overwintering sites, i.e. human settlements in spring, seminatural forests in summer, and arable fields in autumn. The mass immigration of other predatory, fungivorous and tourist species from the surrounding arable fields into the orchards started from July with senescence and harvesting of arable crops. These results suggest that arable fields, other orchards and settlements might be more important sources of colonisation for natural enemies in orchards than certain semi-natural habitats.

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Section: Effects Of Landscape Compositioncontrasting

confidence: 55%

Section: Introductionmentioning

confidence: 99%

Landscapes, orchards, pesticides–Abundance of beetles (Coleoptera) in apple orchards along pesticide toxicity and landscape complexity gradients

Markó

Elek

Kovács‐Hostyánszki

et al. 2017

Agriculture, Ecosystems & Environment

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“…Parasitoids were obtained during the collection of aphids from two different studies in Chile (ZepedaPaulo et al, 2013;Raymond et al, 2015). Data were based on samples from three seasons and were reviewed to confirm species identification by taxonomical experts via classical and molecular methods as described below.…”

Section: Methodsmentioning

confidence: 99%

Abundancia y prevalencia de Aphidius avenae (Hymenoptera: Braconidae: Aphidiinae) en Chile

Peñalver‐Cruz

Ortiz-Martínez

Villegas

et al. 2017

Ciencia e investigación agraria

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A. Peñalver-Cruz, S. Ortiz-Martínez, C. Villegas, Ž. Tomanović, F. Zepeda-Paulo, V. Žikić, and B. Lavandero. 2017. Abundance and prevalence of Aphidius avenae (Hymenoptera: Braconidae: Aphidiinae) in Chile. Cien. Inv. Agr. 44(2): 207-214. During the samplings described here, Aphidius avenae (=picipes) (Haliday, 1834) was collected. This species has been reported in Chile but has never been studied in terms of its relative abundance and prevalence in central and southern Chile by using classical or molecular methods. The composition of the parasitoid assemblages on several cereal aphid hosts was examined for three seasons in agricultural landscapes. In this note, we describe the prevalence of this parasitoid species in cereal aphids and other aphid hosts and discuss the abundance of this parasitoid compared to other aphid parasitoids and the probable origins of this important aphid parasitoid species in Chile. The results indicate that A. avenae has a low prevalence compared to other main parasitoids such as Aphidius ervi (Haliday) and that it has been found parasitizing the grain aphid (Sitobion avenae (Fabricius)) and the bird cherry-oat aphid (Rhopalosiphum padi (Linnaeus)) in wheat and the foxglove aphid (Aulacorthum solani (Kaltenbach)) in tomato. Although the introduction of A. avenae in Chile as a biological agent in 1992 was not successful, we here confirm the presence of this aphid parasitoid wasp in Chile and discuss the factors that could explain the low prevalence of this parasitoid species in the country.

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“…A importância dos dolicopodídeos na regulação populacional de pulgões já tem sido relatada na literatura (Raymond et al, 2015), o que pode justificar a correlação negativa encontrada em Ibiporã (r = -0,63; p = 0,04); em Londrina, essa relação não foi verificada (r = -0,24; p = 0,48), possivelmente pela menor infestação de pulgões nessa lavoura. Embora saiba-se que os predadores da família Dolichopodidae se alimentam de pulgões (Ulrich, 2004), o presente trabalho é o primeiro que relata a importância dessa família associada a pulgões do trigo no Brasil.…”

Section: As Demais Espécies Capturadas Nas Armadilhas Foramunclassified

“…Em regiões de clima temperado, a distância do fragmento de mata pode influenciar pulgões dos cereais e seus inimigos naturais (Alignier et al, 2014;Raymond et al, 2015); no entanto, até o presente momento, não foram localizados estudos com esses organismos na região Neotropical.…”

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Abundância de inimigos naturais de pulgões do trigo em diferentes distâncias da borda da mata

Bortolotto

Menezes

Hoshino

2016

Pesq. agropec. bras.

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Resumo -O objetivo deste trabalho foi avaliar a abundância de inimigos naturais de pulgões do trigo (Triticum aestivum) em diferentes distâncias da borda da mata (2,0 a 200 m), nos municípios de Londrina e Ibiporã, PR, na safra 2008. No total, foram quantificados 11.316 pulgões, 682 múmias, 487 parasitoides e 20.366 predadores. Não foi observada influência consistente da distância da borda da mata sobre os pulgões e os parasitoides. Entre os predadores, a família Dolichopodidae foi a mais abundante (87,74 e 98,55% em Ibiporã e Londrina, respectivamente) e apresentou maior população próximo à borda da mata, o que indica que essa área de refúgio favorece esse predador.Termos para indexação: Lysiphlebus testaceipes, Triticum aestivum, controle biológico, pragas do trigo, preservação ambiental. Abundance of natural enemies of wheat aphids at different distances from the edge of the forestAbstract -The objective of this work was to assess the abundance of natural enemies of wheat (Triticum aestivum) aphids at different distances from the edge of the forest (2.0 to 200 m), in the municipalities of Londrina and Ibiporã, in the state of Paraná, Brazil, in the 2008 crop season. A total of 11,316 aphids, 682 mummies, 487 parasitoids, and 20,366 predators were quantified. The effect of the distance from the edge of the forest on aphids and parasitoids was not consistent. Among predators, the Dolichopodidae family was the most abundant (87.74 and 98.55% in Ibiporã and Londrina, respectively) and showed a higher population near the edge of the forest, indicating that this refuge area favors that predator.

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Temporal variability of aphid biological control in contrasting landscape contexts

Cited by 49 publications

References 47 publications

Landscapes, orchards, pesticides–Abundance of beetles (Coleoptera) in apple orchards along pesticide toxicity and landscape complexity gradients

Landscapes, orchards, pesticides–Abundance of beetles (Coleoptera) in apple orchards along pesticide toxicity and landscape complexity gradients

Abundancia y prevalencia de Aphidius avenae (Hymenoptera: Braconidae: Aphidiinae) en Chile

Abundância de inimigos naturais de pulgões do trigo em diferentes distâncias da borda da mata

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