Barbara Bentz
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View article: QTL identification and characterization of the recombination landscape of the mountain pine beetle ( <i>Dendroctonus ponderosae</i> )
QTL identification and characterization of the recombination landscape of the mountain pine beetle ( <i>Dendroctonus ponderosae</i> ) Open
Insect pests can rapidly accumulate in number and thrive in diverse environments, making them valuable models for studying phenotypic plasticity and the genetic basis of local adaptation. The mountain pine beetle (Dendroctonus ponderosae) …
View article: QTL identification and characterization of the recombination landscape of the mountain pine beetle ( <i>Dendroctonus ponderosae</i> )
QTL identification and characterization of the recombination landscape of the mountain pine beetle ( <i>Dendroctonus ponderosae</i> ) Open
Insect pests can rapidly accumulate in number and thrive in diverse environments, making them valuable models for studying phenotypic plasticity and the genetic basis of local adaptation. The mountain pine beetle ( Dendroctonus ponderosae)…
Evidence for an adult summer diapause in mountain pine beetle (Coleoptera: Curculionidae) that varies geographically and among haplogroups Open
Identifying dormancy traits is important for predicting insect population success, particularly in a changing climate that could disrupt evolved traits. The mountain pine beetle (Dendroctonus ponderosae Hopkins) is native to North America,…
A mountain pine beetle (Coleoptera: Curculionidae) adult development rate model confirms evolved geographic differences Open
Insects live in a wide range of thermal environments and have evolved species- and location-specific physiological processes for survival in hot and cold extremes. Thermally driven dormancy strategies, development rates and thresholds are …
View article: VARIABILITY IN THERMAL SENSITIVITY OF ADULT REPRODUCTIVE DIAPAUSE IN THE SPRUCE BEETLE, DENDROCTONUS RUFIPENNIS
VARIABILITY IN THERMAL SENSITIVITY OF ADULT REPRODUCTIVE DIAPAUSE IN THE SPRUCE BEETLE, DENDROCTONUS RUFIPENNIS Open
Diapause induction and termination, which regulate seasonal insect life cycles, can be highly variable within and among populations because these traits are often genetically variable and sensitive to environmental fluctuations. Both types…
Factors associated with bark beetle infestations of Colorado Plateau ponderosa pine using repeatedly-measured field plots Open
Decades of research have brought increasing focus to the biotic and abiotic factors associated with bark beetle infestation of North American conifers. Information is lacking, however, regarding beetle-caused mortality for ponderosa pine o…
Western pine beetle voltinism in a changing California climate Open
Recent hot droughts in California resulted in ponderosa pine ( Pinus ponderosa ) mortality attributed to drought and western pine beetle (WPB, Dendroctonus brevicomis ). While drought alone can cause tree death, direct warming effects on W…
View article: Fire and tree mortality database (FTM) (2nd Edition)
Fire and tree mortality database (FTM) (2nd Edition) Open
The Fire and Tree Mortality (FTM) database includes standardized observations of fire injury and survival or mortality for 171,177 individual tree-level observations, representing 142 tree species across the United States. Of these, 7,191 …
Chemical defense strategies, induction timing, growth, and trade‐offs in<i>Pinus aristata</i>and<i>Pinus flexilis</i> Open
Trade‐offs between plant defense investment and fitness traits, including growth, are often invoked to explain evolutionary strategies targeted at resisting herbivores. Many Pinus species have specialized herbivores, including the mountain…
Great Basin bristlecone pine mortality: Causal factors and management implications Open
High-elevation five-needle pines are foundational species and iconic components of subalpine forests across western North America. Because they often grow at environmental extremes, high-elevation pines are vulnerable to changing climate c…
Lignin concentrations in phloem and outer bark are not associated with resistance to mountain pine beetle among high elevation pines Open
A key component in understanding plant-insect interactions is the nature of host defenses. Research on defense traits among Pinus species has focused on specialized metabolites and axial resin ducts, but the role of lignin in defense withi…
Lignin accumulation in phloem and outer bark is not associated with resistance to mountain pine beetle in high elevation pines Open
A key component in understanding plant-insect interactions is the nature of host defenses. Research on defense traits among Pinus species has focused on specialized metabolites and axial resin ducts, but the role of lignin in defense withi…
Barkbeetle science review Open
Dataset consists of two databases of bark beetle literature review. One for European spruce bark beetle (ESBB) and one for mountain pine beetle (MPB). Databases contain an overview of main papers for research and their classifying to searc…
Barkbeetle science review Open
Dataset consists of two databases of bark beetle literature review. One for European spruce bark beetle (ESBB) and one for mountain pine beetle (MPB). Databases contain an overview of main papers for research and their classifying to searc…
Susceptibility of mountain pine beetle (Dendroctonus ponderosae Hopkins) to gene silencing through RNAi provides potential as a novel management tool Open
The mountain pine beetle (MPB), Dendroctonus ponderosae, is an eruptive endemic forest pest that is undergoing substantial range expansion in response to recent climatic changes, breaching geographic barriers, exploiting novel hosts, and a…
Ips typographus and Dendroctonus ponderosae Models Project Thermal Suitability for Intra- and Inter-Continental Establishment in a Changing Climate Open
Climate change is altering legacies of native insect-caused disturbances and contributing to non-native invasions globally. Many insect fitness traits are temperature dependent and projected climatic changes are expected to cause continued…
Low offspring survival in mountain pine beetle infesting the resistant Great Basin bristlecone pine supports the preference-performance hypothesis Open
The preference-performance hypothesis states that ovipositing phytophagous insects will select host plants that are well-suited for their offspring and avoid host plants that do not support offspring performance (survival, development and …
Reproductive success of mountain pine beetle infesting cut bolts of Great Basin bristlecone pine, limber pine, and lodgepole pine Open
The preference-performance hypothesis states that ovipositing phytophagous insects will select host plants that are well-suited for their offspring and avoid host plants that do not support offspring performance (survival, development and …
View article: Diapause and overwintering of two spruce bark beetle species
Diapause and overwintering of two spruce bark beetle species Open
Diapause, a strategy to endure unfavourable conditions (e.g. cold winters) is commonly found in ectothermic organisms and is characterized by an arrest of development and reproduction, a reduction of metabolic rate, and an increased resist…
Differential dispersal and the Allee effect create power‐law behaviour: Distribution of spot infestations during mountain pine beetle outbreaks Open
Mountain pine beetles (MPB, Dendroctonus ponderosae Hopkins) are aggressive insects attacking Pinus host trees. Pines use defensive resin to overwhelm attackers, creating an Allee effect requiring beetles to attack en masse to successfully…
View article: Climate drivers of bark beetle outbreak dynamics in Norway spruce forests
Climate drivers of bark beetle outbreak dynamics in Norway spruce forests Open
Bark beetles are among the most devastating biotic agents affecting forests globally and several species are expected to be favored by climate change. Given the potential interactions of insect outbreaks with other biotic and abiotic distu…
Mountain Pine Beetle Dynamics and Reproductive Success in Post-Fire Lodgepole and Ponderosa Pine Forests in Northeastern Utah Open
Fire injury can increase tree susceptibility to some bark beetles (Curculionidae, Scolytinae), but whether wildfires can trigger outbreaks of species such as mountain pine beetle (Dendroctonus ponderosae Hopkins) is not well understood. We…
Defense traits in the long‐lived Great Basin bristlecone pine and resistance to the native herbivore mountain pine beetle Open
Summary Mountain pine beetle ( MPB , Dendroctonus ponderosae ) is a significant mortality agent of Pinus , and climate‐driven range expansion is occurring. Pinus defenses in recently invaded areas, including high elevations, are predicted …
Forest health in a changing world: effects of globalization and climate change on forest insect and pathogen impacts Open
FIGURE 18. Male wings of species of Conchopus: (a) Conchopus acrosticalis (Parent); (b) Conchopus ciliatus sp. nov.; (c) Conchopus crassinervis sp. nov.; (d) Conchopus minutus sp. nov.; (e) Conchopus menehune sp. nov.; (f) Conchopus pacifi…