Recherche prospective sur le rôle « source » des haies en production fruitière intégrée. Le cas des perce-oreilles : Forficula auricularia L. et Forficula pubescens Gené

Debras, Jean François; Dussaud, Audrey; Rieux, R.; Dutoit, Thierry

doi:10.1016/j.crvi.2007.07.003

Cited by 21 publications

(21 citation statements)

References 51 publications

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“…In our opinion, this difference is easily explained by the different sampling time. The work conducted by Santos et al (2007) was performed during the summer. In that season, the olive grove ground is without cover and has very low humidity that favors the disappearance of Collembola and the dominance of other organisms well adapted to such conditions, such as ants.…”

Section: Discussionmentioning

confidence: 99%

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Abundance and Diversity of Soil Arthropods in the Olive Grove Ecosystem

Gonçalves

Pereira

2012

Journal of Insect Science

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Arthropods are part of important functional groups in soil food webs. Recognizing these arthropods and understanding their function in the ecosystem as well as when they are active is essential to understanding their roles. In the present work, the abundance and diversity of soil arthropods is examined in olive groves in the northeast region of Portugal during the spring. Five classes of arthropods were found: Chilopoda, Malacostraca, Entognatha, Insecta, and Arachnida. Captures were numerically dominated by Collembola within Entognatha, representing 70.9% of total captures. Arachnida and Insecta classes represented about 20.4 and 9.0%, respectively. Among the predatory arthropods, the most representative groups were Araneae and Opiliones from Arachnida, and Formicidae, Carabidae, and Staphylinidae from Insecta. From the Formicidae family, Tetramorium semilaeve (Andre 1883), Tapinoma nigerrimum (Nylander 1856), and Crematogaster scutellaris (Olivier 1792) were the most representative ant species. Arthropods demonstrated preference during the day, with 74% of the total individuals recovered in this period, although richness and similarity were analogous during the day and night.

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Section: Discussionmentioning

confidence: 99%

“…Forficula auricularia are omnivores and feed on mosses, lichens, plants, and small living or dead arthropods (Debras et al 2007). Chilopoda are almost exclusively predatory, feeding on small live arthropods and other invertebrates (Edgecombe and Giribet 2007).…”

Section: Discussionmentioning

confidence: 99%

Abundance and Diversity of Soil Arthropods in the Olive Grove Ecosystem

Gonçalves

Pereira

2012

Journal of Insect Science

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“…In this regard, Debras et al (2007) observed that F. pubescens concentrated predation on younger pear psylla instars, whereas F. auricularia showed a preference for older ones.…”

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confidence: 84%

“…Another earwig species, Forficula pubescens Gené, has been reported to be phytophagous or omnivorous (Albouy & Caussanel, 1990); however, it has also been observed to prey on pear psyllids (Debras et al, 2007) and RAA (Dib et al, 2010). Few studies have been devoted to the phenology of F. pubescens (Herter, 1964;Romeu-Dalmau et al, 2011).…”

Section: Phenologymentioning

confidence: 99%

“…High association values were observed when more earwigs were found in the shelters, thus resembling the conditions tested by Sauphanor & Sureau (1993) in lab trials. Even in the field, Debras et al (2007) reported the absence of competition between F. auricularia and F. pubescens. We can assume that when these two earwig species are found in high numbers in the shelters, no competition occurs.…”

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Phenology and interspecific association of Forficula auricularia and Forficula pubescens in apple orchards

Lordan¹,

Alegre²,

Moerkens

et al. 2015

Span. j. agric. res.

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The European earwig Forficula auricularia L. (Dermaptera: Forficulidae) has been widely studied as a key predator of pests in temperate regions, but its phenology and behavior may differ in warmer areas such as the Mediterranean. Here we assessed the phenology, aggregation, and interspecific association of F. auricularia and Forficula pubescens Gené, the only two species found consistently in both ground and canopy shelters in Mediterranean apple orchards. In addition to F. auricularia and F. pubescens, three other earwig species, namely Labidura riparia Pallas, Nala lividipes Dufour and Euborellia moesta Gené, were found occasionally. The mature stages of F. auricularia were observed mainly from May to November in tree shelters and immature ones from October to June in ground shelters. Adult individuals of F. pubescens were observed year-round and nymph instars were detected from April to June in ground as well as in tree shelters. The suitability of the current degree-days models for temperate regions was evaluated for the prediction of European earwig phenology in a Mediterranean climate. Regarding interspecific association, F. auricularia and F. pubescens co-occurred in canopies without apparent competition. This study provides useful weekly data about the phenology of the two earwig species throughout the year that can be used to detect the key periods during which to enhance their populations in pip fruit orchards or to control them in stone fruit crops. Furthermore, our results are of relevance for the development of new phenological models of earwigs in Mediterranean areas where nymphs hibernate, a feature that makes current models inaccurate. Additional key words: biological control; Dermaptera; earwig; Forficulidae; Mediterranean; pest

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A shift towards softer pest management differently benefits earwig and spider communities in a multiyear experiment in apple orchards

Simon,

Riotord,

Morel

et al. 2024

Pest Management Science

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BACKGROUNDEnvironmentally‐friendly crop protection practices are needed to enhance the sustainability of current agricultural systems. This is crucial in orchards which are extensively treated to impair various pests, at the expense of natural enemies. However, the effect of a shift towards softer pest management on the beneficial arthropod community is poorly documented. Earwigs (Dermaptera: Forficulidae) and spiders (Araneae) are relevant groups to assess such effects because they are highly sensitive to agricultural practices. They were monitored for 6 and 4 years, respectively, in apple orchards under three pest management regimes: Organic, Low‐input and Conventional, with pest management being switched during the survey from a broad‐spectrum insecticide schedule to mating disruption in the latter one, and more selective compounds in all orchards.RESULTSThe survey displayed that earwig abundance (mainly Forficula auricularia) that was initially very low in the Conventional orchard (annual mean 0.5–1.7 earwigs per shelter in the 2010–2012 period) increased to the same level as that of Low‐input and Organic orchards (over 10 earwigs per shelter) in the same year that changes in pest management occurred. The epigeal and arboreal spider communities were not responsive, and no recovering was observed 4 years after change in practices.CONCLUSIONPredatory arthropod communities are differently affected over time by changes in pest management, most probably due to their biology (dispersion, reproduction rate, susceptibility to pesticides etc.). This outlines the importance of documenting the time required to recover after perturbations and build a natural enemy community to enhance pest control in a win‐win perspective. © 2024 Society of Chemical Industry.

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Recherche prospective sur le rôle « source » des haies en production fruitière intégrée. Le cas des perce-oreilles : Forficula auricularia L. et Forficula pubescens Gené

Cited by 21 publications

References 51 publications

Abundance and Diversity of Soil Arthropods in the Olive Grove Ecosystem

Abundance and Diversity of Soil Arthropods in the Olive Grove Ecosystem

Phenology and interspecific association of Forficula auricularia and Forficula pubescens in apple orchards

A shift towards softer pest management differently benefits earwig and spider communities in a multiyear experiment in apple orchards

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