Insecticide resistance.

Foster, S. P.; Devine, Gregor J.; Devonshire, A. L.

doi:10.1079/9780851998190.0261

Cited by 77 publications

(70 citation statements)

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“…Adjacent to WFS, oilseed rape (Brassica napus L.) was grown from September 2013 to June 2014, while winter wheat (Triticum aestivum L.) was grown from October 2014 to July 2015. ecosystem services, in addition to approaches that purely aim to support biodiversity (McKenzie et al, 2013;Ekroos et al, 2014). Among other ecosystem services (Zhang et al, 2007), the natural regulation of insect pests is of particular interest when considering the damaging effects of insecticides on human health and the environment (Devine & Furlong, 2007;Baldi et al, 2013) and the resistance of pests to insecticides (Foster et al, 2007).…”

Section: Methodsmentioning

confidence: 99%

Do flower mixtures with high functional diversity enhance aphid predators in wildflower strips?

Hatt¹,

Uyttenbroeck²,

Lopes³

et al. 2017

Eur. J. Entomol.

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Section: Methodsmentioning

confidence: 99%

Do flower mixtures with high functional diversity enhance aphid predators in wildflower strips?

Hatt¹,

Uyttenbroeck²,

Lopes³

et al. 2017

Eur. J. Entomol.

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“…In addition, UK-derived H. axyridis have greater 524 resistance to some natural enemies, such as the fungus B. bassiana and the parasitoid wasp, 525 Dinocampus coccinellae Schrank (Hymenoptera: Braconidae) than do Japanese-derived 526 H. axyridis, implying that they have also been released from their own population regu-527 lators (Koyama and Majerus 2008;Roy et al 2008b). Evolution of resistance to disease, 528 parasitism and insecticides is not uncommon in insects and may be associated with trade 529 offs in fitness (e.g., Foster et al 2007;V ölkl et al 2007). For example, although 530 UK-derived H. axyridis were less suceptible to infection they were also significantly less 531 fecund when infected than B. bassiana-infected H. axyridis derived from Japan (Roy et al…”

Section: U N C O R R E C T E D P R O O Fmentioning

confidence: 99%

Intraguild predation involving Harmonia axyridis: a review of current knowledge and future perspectives

Pell

Baverstock

Roy

et al.

From Biological Control to Invasion: The Ladybird Harmonia Axyridis as a Model Species

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9 Abstract As an effective generalist predator of aphids and other hemipteran pests 10 H. axyridis has been a successful biological control agent. However, the very functional 11 traits that have contributed to its success in this regard also implicate it as an intraguild 12 predator that poses a significant risk not only to the diversity of other natural enemies of 13 Hemiptera (and their associated ecosystem services), but to biodiversity more widely. In 14 this paper we will specifically review the existing data on intraguild predation involving 15 H. axyridis, and consider the strength and symmetry of such interactions both within its 16 native guild and within exotic guilds where it has established as an invasive alien. We will 17 use these studies to interpret the observed population declines in predator diversity in the 18 field, predict species at risk in regions not yet invaded and consider implications for 19 resulting ecosystem services. We will also indicate gaps in our knowledge that require 20 further study in order to identify opportunities for mitigation.21 Keywords Coccinellidae Á Harmonia axyridis Á Aphidophagous guild Á 22 Intraguild predation Á Predators Á Parasitoids Á Pathogens Á Ecosystem services 23 Introduction 24 Terrestrial ecosystems support a diversity of species that are directly and indirectly linked 25 to each other within food webs that span multiple trophic levels. Natural enemy species (in 26 the context of this paper we will collectively call these 'predators' as they all have a trophic 27 relationship with their hosts/prey) contribute to the population regulation of species in both

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“…The use of conventional insecticides for controlling aphids has caused different problems (e.g. failures in pest control and negative environmental impact) and insecticide resistance by aphids (Foster et al 2007). Therefore, in recent years there has been more interest in other control methods such as biological control by natural enemies for sustainable agricultural management (Lacey et al 2015).…”

Section: Introductionmentioning

confidence: 99%

Interactions between the entomopathogenic fungus Beauveria bassiana and the Neotropical predator Eriopis connexa (Coleoptera: Coccinellidae): Implications in biological control of pest

Scorsetti¹,

Pelizza²,

Fogel³

et al. 2018

Journal of Plant Protection Research

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Aphids (Hemiptera: Aphididae) are serious pests of crops causing direct damage by feeding and indirect by the transmission of plant viruses. The use of conventional insecticides for controlling aphids has caused different problems and insecticide resistance. Accordingly, there is more interest in alternative control methods such as biological control by natural enemies for sustainable agricultural management. Among biological control agents, entomopathogenic fungi are one of the most significant microbial pathogens of insects. Also, Coccinellidae, as a major group, is a serious natural enemy. Both larval and adult stages of Coccinellidae feed on different soft-body pests, such as aphids. Eriopis connexa (Germar) (Coleoptera: Coccinellidae) is a common species in agroecosystems of the Neotropical region where it is considered to be a potential control agent. Pathogens and arthropod natural enemies may contribute to the control of phytophagous pests; however, it is important to assess potential interactions within biological control agents that share hosts (intraguild interaction) to evaluate their combined use for pest control. Therefore, the aim of this study was to evaluate the compatibility and interaction (lethal and sublethal effects) between E. connexa and the entomopathogenic fungus Beauveria bassiana (Bals.-Criv.) Vuill. (Ascomycota: Hypocreales). Both are important biological control agents of aphids. The pathogenicity of B. bassiana against larvae, pupae and adults of the predator E. connexa was evaluated, and results showed, that B. bassiana infected the coleopteran. On the other hand, interaction between B. bassiana and the predator was evaluated through infected-prey. The effects of fungus on larvae survival were significantly different when we analyzed the accumulated survival (from first larval instar to adulthood). The daily fecundity was significantly reduced at five days compared to control group. By contrast, no significant differences were observed between the five oviposition days in the rate of hatched eggs. This study shows that despite having received a single dose of the fungus in its life cycle, the population parameters of the predator E. connexa are affected. More studies would be necessary to help identify interactions between microbes and natural enemies to increase and enhance opportunities and further develop biological pest control programs.

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Insecticide resistance.

Cited by 77 publications

References 0 publications

Do flower mixtures with high functional diversity enhance aphid predators in wildflower strips?

Do flower mixtures with high functional diversity enhance aphid predators in wildflower strips?

Intraguild predation involving Harmonia axyridis: a review of current knowledge and future perspectives

Interactions between the entomopathogenic fungus Beauveria bassiana and the Neotropical predator Eriopis connexa (Coleoptera: Coccinellidae): Implications in biological control of pest

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