Cold tolerance of mountain pine beetle among novel eastern pines: A potential for trade-offs in an invaded range?

Rosenberger, Derek W.; Aukema, Brian H.; Venette, Robert C.

doi:10.1016/j.foreco.2017.05.031

Cited by 39 publications

(36 citation statements)

References 47 publications

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“…Some mortality in a novel host such as red pine can likely be attributed to rapid development to life stages that exhibit greater susceptibility to overwintering temperatures (Table , Figure ; Cerezke, ; Rosenberger, Aukema, et al., ), which would be detrimental to eastward invasion success. However, rapid development to cold‐susceptible life stages before midwinter does not fully account for the surprisingly high mortality observed in 2014–2015 (86%–91% in novel hosts), when most brood had achieved more cold tolerant larval overwintering stages by late fall.…”

Section: Discussionmentioning

confidence: 99%

“…However, rapid development to cold‐susceptible life stages before midwinter does not fully account for the surprisingly high mortality observed in 2014–2015 (86%–91% in novel hosts), when most brood had achieved more cold tolerant larval overwintering stages by late fall. An early November 2014 cold snap may have killed many unacclimated larvae (Cerezke, ; Rosenberger, Aukema, et al., ). Overwintering mortality of up to 88% is not uncommon in historical hosts such as lodgepole pine (Cole, ).…”

Section: Discussionmentioning

confidence: 99%

“…Overwintering mortality of up to 88% is not uncommon in historical hosts such as lodgepole pine (Cole, ). Late stage mortality could have also occurred from desiccation of the hosts, as novel hosts contained slightly thinner phloem than historical hosts in the second year of the study (Cerezke, ; Rosenberger, Aukema, et al., ). Mortality could have also been due to a lack of symbiotic micro‐organisms or latent toxic effects of the host—important areas that require further study (Bentz & Six, ; Clark, Huber, & Carroll, ; McKee, Huber, & Aukema, ; Therrien et al., ).…”

Section: Discussionmentioning

confidence: 99%

“…In each of the 2 weeks each year, six logs, 40 cm long, were cut from each of two trees of each of the six species, yielding 72 logs, the ends of which were sealed with hot paraffin wax. Females, followed by males were introduced to logs within 24–48 hr of trees being harvested as outlined in previous work (Rosenberger, Aukema, et al., ). We designated the date of generation commencement as the date that males were introduced.…”

Section: Methodsmentioning

confidence: 99%

“…Later instars exhibit higher temperature developmental thresholds than earlier instars (Bentz, Logan, & Amman, ; Régnière, Powell, Bentz, & Nealis, ), such that late instars arrest development in the fall with onset of cooler temperatures, while early instars continue development (Powell & Logan, ). In the spring, synchronized populations resume development through pupal and teneral adult life stages, which are less cold tolerant (Cerezke, ; Rosenberger, Aukema, & Venette, ). Adults then emerge collectively in late July to seek new hosts.…”

Section: Introductionmentioning

confidence: 99%

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Development of an aggressive bark beetle on novel hosts: Implications for outbreaks in an invaded range

Rosenberger

Venette

Aukema

2018

Journal of Applied Ecology

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Some subcortical insects have devastating effects on native tree communities in new ranges, despite benign interactions with their historical hosts. Examples of how insects, aggressive in their native habitat might respond in novel host environs are less common. One aggressive tree‐killing insect undergoing a dramatic range shift is the mountain pine beetle (Dendroctonus ponderosae Hopkins). Ongoing eastward expansion by the mountain pine beetle through the previously climatically unsuitable Canadian boreal forest may have large‐scale impacts on north eastern North American pine forests. No systematic studies have been conducted on potential reproduction of mountain pine beetle on pines common to north eastern North America. We report reproduction of mountain pine beetle in logs of novel pine species (jack, Pinus banksiana Lamb; red, Pinus resinosa Ait.; eastern white, Pinus strobus L.; and Scots Pinus sylvestris L.) compared to the two most common pine hosts in its historical range (ponderosa, Pinus ponderosa Dougl. ex. Laws. var. scopulorum Engelm. and lodgepole Pinus contorta Dougl. var. latifolia Engelm.) in a two year study. Successful reproduction of mountain pine beetle occurred in all novel hosts, demonstrating that constitutive defences pose no barrier to further range expansion. Despite the number of progeny in novel hosts on par with that of historical hosts, a greater number of adult brood in novel hosts died prior to emergence. Brood mortality was correlated with the number of brood that developed to adulthood prior to winter, particularly in red pine. Brood developed more rapidly in novel vs. historical pine hosts and, the summer after a warm fall, exhibited less synchronized emergence in novel hosts. Synthesis and applications. Outbreaks by an aggressive bark beetle may be possible outside its historical host range, but constrained by an interaction between host and seasonality. Our results suggest that pines common to north eastern North America are suitable hosts for mountain pine beetle and highlight the value of monitoring efforts and response preparations as the insect moves eastward.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Development of an aggressive bark beetle on novel hosts: Implications for outbreaks in an invaded range

Rosenberger

Venette

Aukema

2018

Journal of Applied Ecology

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Translocation experiment reveals capacity for mountain pine beetle persistence under climate warming

Soderberg

Mock

Hofstetter

et al. 2020

Ecological Monographs

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Predicting species response to climate change is a central challenge in ecology, particularly for species that inhabit large geographic areas. The mountain pine beetle (MPB) is a significant tree mortality agent in western North America with a distribution limited by climate. Recent warming has caused large‐scale MPB population outbreaks within its historical distribution, in addition to migration northward in western Canada. The relative roles of genetic and environmental sources of variation governing MPB capacity to persist in place in a changing climate, and the migratory potential at its southern range edge in the United States, have not been investigated. We reciprocally translocated MPB populations taken from the core and southern edge of their range, and simultaneously translocated both populations to a warmer, low‐elevation site near the southern range boundary where MPB activity has historically been absent despite suitable hosts. We found genetic variability and extensive plasticity in multiple fitness traits that would allow both populations to persist in a warming climate that resembles the thermal regime of our low‐elevation site. We demonstrate, for the first time, that supercooling points in MPBs are influenced both by genetic and environmental factors. Both populations reproduced with seasonally appropriate univoltine generation times at all translocated sites, and bivoltinism was not observed. The highest reproductive success occurred at the warmest, out‐of‐range low‐elevation site, suggesting that southward migration may not be temperature limited.

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Effects of rising temperatures on ectosymbiotic communities associated with bark and ambrosia beetles

Hofstetter

Klepzig

Villari

2022

Bark Beetle Management, Ecology, and Climate Change

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Cold tolerance of mountain pine beetle among novel eastern pines: A potential for trade-offs in an invaded range?

Cited by 39 publications

References 47 publications

Development of an aggressive bark beetle on novel hosts: Implications for outbreaks in an invaded range

Development of an aggressive bark beetle on novel hosts: Implications for outbreaks in an invaded range

Translocation experiment reveals capacity for mountain pine beetle persistence under climate warming

Effects of rising temperatures on ectosymbiotic communities associated with bark and ambrosia beetles

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