Parasitoid Guilds of<i>Agrilus</i>Woodborers (Coleoptera: Buprestidae): Their Diversity and Potential for Use in Biological Control

Taylor, Philip B.; Duan, Jian J.; Fuester, Roger W.; Hoddle, Mark S.; Driesche, Roy Van

doi:10.1155/2012/813929

Cited by 24 publications

(19 citation statements)

References 35 publications

(31 reference statements)

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“…The primary natural enemies of bronze birch borer include woodpeckers and diverse egg and larval parasitoid species (Nash et al 1951, Barter 1957, Loerch and Cameron 1983b, Taylor et al 2012. In some cases, natural enemies have caused substantial bronze birch borer mortality.…”

Section: Tree Stress and Bronze Birch Borer Outbreaksmentioning

confidence: 99%

A Review of Bronze Birch Borer (Coleoptera: Buprestidae) Life History, Ecology, and Management

Muilenburg¹,

Herms²

2012

env. entom.

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Bronze birch borer (Agrilus anxius Gory) (Coleoptera: Buprestidae), a specialist wood-borer endemic to North America, is prone to periodic outbreaks that have caused widespread mortality of birch (Betula spp.) in boreal and north temperate forests. It is also the key pest of birch in ornamental landscapes. Amenity plantings have extended the distribution of birch in North America, for which we report an updated map. Life history and phenology also are summarized. Larvae feed primarily on phloem tissue of stems and branches, which can girdle and kill trees. Stressors such as drought, elevated temperature, and defoliation predispose trees to bronze birch borer colonization and trigger outbreaks, which implicates the availability of suitable host material in the bottom-up regulation of populations. Stress imposed by climate change may increase the frequency of outbreaks and alter the distribution of birch. Bronze birch borer has a diverse array of natural enemies, but their role in top-down population regulation has not been studied. There is substantial interspecific variation in resistance to this insect. North American species share a coevolutionary history with bronze birch borer and are much more resistant than Eurasian species, which are evolutionarily naïve. Potential resistance mechanisms are reviewed. The high susceptibility of Eurasian birch species and climatic similarities of North America and Eurasia create high risk of widespread birch mortality in Eurasia if the borer was inadvertently introduced. Bronze birch borer can be managed in amenity plantings through selection of resistant birch species, plant health care practices, and insecticides.

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Section: Tree Stress and Bronze Birch Borer Outbreaksmentioning

confidence: 99%

A Review of Bronze Birch Borer (Coleoptera: Buprestidae) Life History, Ecology, and Management

Muilenburg¹,

Herms²

2012

env. entom.

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“…(Hymenoptera: Encyrtidae), can cause high rates of mortality to eggs of Agrilus spp. (Taylor et al ; Abell et al ; Triapitsyn et al ). Future studies on egg parasitoids are planned because they have potential application in the management of A. mali , which will help the recovery of wild apple forest ecosystem.…”

Section: Discussionmentioning

confidence: 99%

Life history and mortality factors ofAgrilus maliMatsumura (Coleoptera: Buprestidae) in wild apples in Northwestern China

Cui

Zhang

et al. 2019

Agri and Forest Entomology

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1 Wild apple Malus sieversii (Ledeb.) M. Roem. (Rosales: Rosaceae), the ancestor of cultivated apples, is widely distributed in Central Asia and is recognized as an important germplasm bank. Recently, the invasive pest Agrilus mali Matsumura (Coleoptera: Buprestidae), originally distributed in eastern Asia, has damaged endemic apple forests in the Yili River valley, Xinjiang, China, and has spread rapidly, infesting more than 80% of wild apple trees in this region. 2 We investigated the life-history traits and native natural enemies in the recently invaded range during 2016 and 2017. Agrilus mali has a univoltine life cycle and overwinters as young larvae in galleries in the cambium. Adults emerged from early June to mid-August and their density peaked in mid-July. 3 Several native natural enemies were identified from Agrilus mali larvae, including Atanycolus denigrator (L.) (Hymenoptera: Braconidae), the mite Pyemotes moseri Yu et Liang (Acari: Pyemotidae) and fungal entomopathogens. 4 Combined, these natural enemies were responsible for mortality rates ranging from 20% to 80% during the summer and autumn. The most abundant and important natural enemy was A. denigrator, which was responsible for up to 15% mortality of A. mali. 5 The results of the present study suggest that augmentation and conservation of A.denigrator and P. moseri should be considered with respect to biological control against this devastating pest.

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“…The loss or reduction of ash in North America will permanently alter forest ecosystems wherever ash represents a significant fraction of tree community composition, and many species that are dependent on ash are likely to be affected. For example, at least 44 species of arthropods within the current range of EAB are known to feed only on ash, including 24 lepidopterans and a number of coleopterans, and are now considered at risk should ash become rare or locally extinct [18][19][20].…”

Section: Introductionmentioning

confidence: 99%

“…In North America, the mortality rates of EAB caused by native insect natural enemies are relatively low compared to those attacking native species of Agrilus and EAB in Asia [20][21][22][23]. Consequently, EAB became a candidate for management using classical biological control-the importation and introduction of specialized natural enemies from the pest's native range with the goal of permanent control [24][25][26].…”

Section: Introductionmentioning

confidence: 99%

Potential Impacts of Emerald Ash Borer Biocontrol on Ash Health and Recovery in Southern Michigan

Kashian

Bauer

Spei

et al. 2018

Forests

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Emerald ash borer (EAB) is an invasive beetle that kills native North American ash species, threatening their persistence. A classical biological control program for EAB was initiated in 2007 with the release of three specialized EAB parasitoids. Monitoring changes in the health and regeneration of ash where EAB biocontrol agents have been released is critical for assessing the success of EAB biocontrol and predicting future changes to the ash component of North American forests. We sampled release and control plots across southern Michigan over a three-year period to measure ash health and recruitment to begin assessing the long-term impact of EAB biological control on ash populations. We noted a reduced mortality of larger trees between 2012 and 2015 in release plots compared to control plots and increases in ash diameter, but our results were otherwise inconsistent. Ash regeneration was generally higher in release plots compared to control plots but highly variable among sites, suggesting some protection of ash saplings from EAB by parasitoids. We conclude that EAB biocontrol is likely to have a positive effect on ash populations, but that the study duration was not long enough to definitively deduce the long-term success of the biocontrol program in this region.

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Parasitoid Guilds ofAgrilusWoodborers (Coleoptera: Buprestidae): Their Diversity and Potential for Use in Biological Control

Cited by 24 publications

References 35 publications

A Review of Bronze Birch Borer (Coleoptera: Buprestidae) Life History, Ecology, and Management

A Review of Bronze Birch Borer (Coleoptera: Buprestidae) Life History, Ecology, and Management

Life history and mortality factors ofAgrilus maliMatsumura (Coleoptera: Buprestidae) in wild apples in Northwestern China

Potential Impacts of Emerald Ash Borer Biocontrol on Ash Health and Recovery in Southern Michigan

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