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  1. Predation and bark beetle dynamics

    Bark beetle populations may undergo dramatic fluctuations and are often important pests in coniferous forests.Their dynamics are thought to be primarily driven by factors affecting the resistance of the host tree to attack, i.e., bottom-up forces, while natural enemies are usually assigned a minor role in these systems.I present behavioral experiments that suggest that...

    Author(s):
    John D. Reeve
    Year:
    1997
    Keywords:
    scolytidae, cleridae, predation, ratio-dependence
    Source:
    Oecologia 112: 48-54

  2. Bark beetle conditions in western forests and formation of the Western Bark Beetle Research Group

    The recent dramatic impacts of bark beetle outbreaks across conifer forests of the West have been mapped and reported by entomology and pathology professionals with Forest Health Protection (FHP), a component of USDA Forest Service's State and Private Forestry, and their state counterparts. These forest conditions set the stage for the formation of the Western...

    Author(s):
    Robert J. Cain; Jane L. Hayes
    Year:
    2009
    Keywords:
    Aerial survey, Forest Health Protection, Western Bark Beetle Research Group
    Source:
    Bark beetle conditions in western forests and formation of the Western Bark Beetle Research Group. In: Hayes, J.L.; Lundquist, J.E., comps 2009. The Western Bark Beetle Research Group: a unique collaboration with Forest Health Protection-proceedings of a symposium at the 2007 Society of American Foresters conference. Gen. Tech. Rep. PNW-GTR-784. Portland, OR: U.S. Department of Agriculture, Forest Service, Pacific Northwest Research Station: 1-23

  3. Fire and bark beetle interactions

    Wildland fire and bark beetle outbreaks are both large disturbances in North American forests with the potential to interact over spatial and temporal scales (Hicke et al. 2016; Raffa et al. 2008). The order of the disturbances, fire before bark beetles or fire after bark beetles, influences the outcome of the interaction. Fire and bark beetles are similar in that both...

    Author(s):
    Sharon M. Hood
    Year:
    2020
    Keywords:
    wildland fire, disturbance, fire ecology, ecosystems, fire and insect interactions, bark beetle, Coleoptera
    Source:
    In: Manzello, Samuel L., ed. Encyclopedia of Wildfires and Wildland-Urban Interface (WUI) Fires. Cham, Switzerland: Springer. 6 p.

  4. Dutch elm disease pathogen transmission by the banded elm bark beetle Scolytus schevyrewi

    Dutch Elm Disease (DED) is a vascular wilt disease of Ulmus species (elms) incited in North America primarily by the exotic fungus Ophiostoma novo-ulmi. The pathogen is transmitted via root grafts and elm bark beetle vectors, including the native North American elm bark beetle, Hylurgopinus rufipes and the exotic smaller European elm bark beetle, Scolytus multistriatus...

    Author(s):
    W. R. Jacobi; R. D. Koski; J. F. Negron
    Year:
    2013
    Keywords:
    Dutch Elm Disease (DED), banded elm bark beetle, Scolytus schevyrewi
    Source:
    Forest Pathology. 43: 232-237.

  5. Some ecological, economic, and social consequences of bark beetle infestations

    Bark beetles are powerful agents of change in dynamic forest ecosystems. Most assessments of the effects of bark beetle outbreaks have been based on negative impacts on timber production. The positive effects of bark beetle activities are much less well understood. Bark beetles perform vital functions at all levels of scale in forest ecosystems. At the landscape...

    Author(s):
    Robert A. Progar; Adris Eglitis; John E. Lundquist
    Year:
    2009
    Keywords:
    Bark beetles, beetle impact, socioeconomic perception
    Source:
    In: Hayes, J.L.; Lundquist, J.E., comps 2009. The Western Bark Beetle Research Group: a unique collaboration with Forest Health Protection-proceedings of a symposium at the 2007 Society of American Foresters conference. Gen. Tech. Rep. PNW-GTR-784. Portland, OR: U.S. Department of Agriculture, Forest Service, Pacific Northwest Research Station: 71-83

  6. Distribution of bark beetle attacks after whitebark pine restoration treatments: A case study

    Whitebark pine (Pinus albicaulis Engelm.), an important component of high elevation ecosystems in the western United States and Canada, is declining due to fire exclusion, white pine blister rust (Cronartium ribicola J.C. Fisch.), and mountain pine beetle (Dendroctonus ponderosae Hopkins). This study was...

    Author(s):
    Kristen M. Waring; Diana L. Six
    Year:
    2005
    Keywords:
    pinus albicaulis, dendroctonus, pityogenes, forest restoration, environmental management, forest, forest management, forest resources, forestry, forestry research, forestry science, natural resources, natural resource management
    Source:
    Western Journal of Applied Forestry. 20(2): 110-116.

  7. Laboratory assay of cacodylic acid and ®Meta-Systox-R on Scolytus multistriatus and Pseudopityophthorus sp.

    Cacodylic acid and Meta-Systox-R were applied to oak and elm bark beetle diets. Diets containing 900 to 1,000 ppm of cacodylic acid and diets containing 100 to 200 ppm of Meta-Systox-R killed both oak and elm bark beetles.

    Author(s):
    Charles O. Rexrode; James W. Lockyer
    Year:
    1974
    Keywords:
    Source:
    Research Note NE-190. Upper Darby, PA: U.S. Department of Agriculture, Forest Service, Northeastern Forest Experiment Station. 4p.

  8. Statistical correlations between GLC assay and smaller European elm bark beetle bioassay

    American elm trees, Ulmus americana L., were sprayed with methoxychlor by helicopter or mist blower, and twig crotches were collected from sprayed trees for bioassay of Scolytus multistriatus (Marsham) and GLC assay. Correlations established between the 2 assays were dependent on method of application and amount of methoxychlor...

    Author(s):
    Jack H. Barger; Roy A. Cuthbert; Donald G. Seegrist
    Year:
    1973
    Keywords:
    Source:
    Journal of Economic Entomology. 66(1): 79-81.

  9. Management of western North American bark beetles with semiochemicals

    We summarize the status of semiochemical-based management of the major bark beetle species in western North America. The conifer forests of this region have a long history of profound impacts by phloem-feeding bark beetles, and species such as the mountain pine beetle (Dendroctonus ponderosae) and the spruce beetle (D. rufipennis) have recently undergone epic outbreaks...

    Author(s):
    Steven J. Seybold; Barbara J. Bentz; Christopher J. Fettig; John E. Lundquist; Robert A. Progar; Nancy E. Gillette
    Year:
    2018
    Keywords:
    aggregation pheromones, allomones, bark beetles, Dendroctonus, Ips, kairomones
    Source:
    Annual Review of Entomology. 63: 407-32.

  10. Late Glacial and Holocene records of tree-killing conifer bark beetles in Europe and North America: Implications for forest disturbance dynamics

    Outbreaks of conifer bark beetles in Europe and North America have increased in scale and severity in recent decades. In this study, we identify existing fossil records containing bark beetle remains from the end of the Last Glacial Maximum (~14,000 cal. yr BP) to present day using the online databases Neotoma and BugsCEP and literature searches, and compare these data...

    Author(s):
    Nick Schafstall; Niina Kuosmanen; Christopher Fettig; Miloš Knižek; Jennifer L. Clear
    Year:
    2020
    Keywords:
    Archeological sites, BugsCEP, fossil sites, GBIF, historical data, Holocene, insect outbreaks, late Glacial, natural disturbances, Neotoma, peat deposits, synthesis
    Source:
    The Holocene. 30(6): 847-857.

  11. Blacks Mountain Experimental Forest: bark beetle responses to differences in forest structure and the application of prescribed fire in interior ponderosa pine

    Mechanical thinning and the application of prescribed fire are commonly used tools in the restoration of fire-adapted forest ecosystems. However, few studies have explored their effects on subsequent amounts of bark beetle caused tree mortality in interior ponderosa pine, Pinus ponderosa Dougl. ex P. & C. Laws. var. ponderosa. In...

    Author(s):
    Christopher J. Fettig; Robert R. Borys; Stephen R. McKelvey; Christopher P. Dabney
    Year:
    2008
    Keywords:
    Source:
    Canadian Journal of Forest Research. 38:924-935

  12. Proceedings from the Third Workshop on Genetics of Bark Beetles and Associated Microorganisms

    These proceedings provide a synopsis of the Third Workshop on Genetics of Bark Beetles and Association Microorganisms, which was held May 20-2, 2006 in Asheville, NC. Twenty- five participants from five countries attended the meeting. The proceedings are structured into four parts: Phylogenetics of Bark Beetles, Population Genetics of Bark Beetles, Bark Beetle Gene...

    Author(s):
    Barbara Bentz; Anthony Cognato; Kenneth Raffa
    Year:
    2007
    Keywords:
    genetics, bark beetles, microorganism
    Source:
    RMRS-P-45. Fort Collins, CO: U.S. Department of Agriculture, Forest Service, Rocky Mountain Research Station. 51 p.

  13. Proceedings of a workshop on bark beetle genetics: current status of research. Workshop on Bark Beetle Genetics; 1998 July 17-18; Madison, WI.

    This proceedings contains contributions from each author or group of authors who presented their current research at the bark beetle genetics workshop held 17-18 July 1998 on the campus of the University of Wisconsin in Madison, Wisconsin, USA. This was the second meeting on this subject; the first was held in 1992. The subject of bark beetle genetics is of growing,...

    Author(s):
    Jane L. Hayes; Kenneth F. Raffa
    Year:
    1999
    Keywords:
    scolytidae, molecular genetics, genetic variation, behavior, pheromones, natural enemies, host selection, population dynamics, phylogeny, systematics
    Source:
    Gen. Tech. Rep. PNW-GTR-466. Portland, OR: U.S. Department of Agriculture, Forest Service, Pacific Northwest Research Station:. 63 p

  14. Bark beetles responses to stand structure and prescribed fire at Black Mountain Experimental Forest, California, USA: 5-year data

    Highly effective fire suppression and selective harvesting of large-diameter, fire-tolerant tree species, such as ponderosa pine (Pinus ponderosa C. Lawson) and Jeffrey pine (P. jeffreyi Balf.), have resulted in substantial changes to the structure and composition of interior ponderosa pine forests. Mechanical thinning and the...

    Author(s):
    C.J. Fettig; S.R. McKelvey
    Year:
    2010
    Keywords:
    Abies concolor, Dendroctonus, fuel reduction, Ips, Pinus jeffreyi, Pinus ponderosa, resiliency, Scolytus
    Source:
    Fire Ecology 6(2): 26-42

  15. Mites associated with bark beetles and their hyperphoretic ophiostomatoid fungi

    The role that mites play in many ecosystems is often overlooked or ignored. Within bark beetle habitats, more than 100 mite species exist and they have important impacts on community dynamics, ecosystem processes, and biodiversity of bark beetle systems. Mites use bark beetles to access and disperse among beetle-infested trees and the associations may range from...

    Author(s):
    Richard W. Hofstetter; John Moser; Stacy Blomquist
    Year:
    2014
    Keywords:
    Ceratocystiopsis ranaculosa, Dendroctonus frontalis, Dryocoetes, Ips typographus, Entomocorticium, Ophiostoma minus, phoresis, Scolytus, symbiosis, Tarsonemus
    Source:
    Biodiversity Series 12: 165-176

  16. Characterization of two non-native invasive bark beetles, Scolytus schevyrewi and Scolytus multistriatus (Coleoptera: Curculionidae: Scolytinae)

    Scolytus schevyrewi Semenov, the banded elm bark beetle, and S. multistriatus Marsham, the smaller European elm bark beetle, are morphologically similar. Reliance on adult external morphological characters for identification can be problematic because of wide within species variability and the need for good-quality specimens....

    Author(s):
    Patricia L. Johnson; Jane L. Hayes; John E. Rinehart; Walter S. Sheppard
    Year:
    2008
    Keywords:
    Character identification systems, genitalic (aedeagus) morphology, DNA markers, RAPD-PCR analysis
    Source:
    The Canadian Entomologist

  17. Bark beetles in a changing climate

    Over the past decade, native bark beetles (Coleoptera: Curculionidae) have killed billions of trees across millions of hectares of forest from Alaska to Mexico. Although bark beetle infestations are a regular force of natural change in forested ecosystems, several current outbreaks occurring simultaneously across western North America are the largest and most...

    Author(s):
    John E. Lundquist; Barbara J. Bentz
    Year:
    2009
    Keywords:
    Global warming, climate change, latitudinal gradient, climate models, climate normals.
    Source:
    In: Hayes, J.L.; Lundquist, J.E., comps 2009. The Western Bark Beetle Research Group: a unique collaboration with Forest Health Protection-proceedings of a symposium at the 2007 Society of American Foresters conference. Gen. Tech. Rep. PNW-GTR-784. Portland, OR: U.S. Department of Agriculture, Forest Service, Pacific Northwest Research Station: 39-49

  18. Semiochemical sabotage: behavioral chemicals for protection of western conifers from bark beetles

    The discovery and elucidation of volatile behavioral chemicals used by bark beetles to locate hosts and mates has revealed a rich potential for humans to sabotage beetle host-finding and reproduction. Here, we present a description of currently available semiochemical methods for use in monitoring and controlling bark beetle pests in western conifer forests. Delivery...

    Author(s):
    Nancy. E. Gillette; A. Steve Munson
    Year:
    2009
    Keywords:
    Pheromones, allomones, kairomones, IPM, trap-out, trap trees, push-pull, pine, Douglas-fir, spruce
    Source:
    In: Hayes, J.L.; Lundquist, J.E., comps. 2009. The Western Bark Beetle Research Group: a unique collaboration with Forest Health Protection—proceedings of a symposium at the 2007 Society of American Foresters conference. Gen. Tech. Rep. PNW-GTR-784. Portland, OR: U.S. Department of Agriculture, Forest Service, Pacific Northwest Research Station: 85-110

  19. Southern Pine Beetle Competitors

    When southern pine beetles mass attack a living pine tree, if colonization is successful the tree dies and its phloem becomes immediately available to a complex of other bark beetles and long-horned beetles, all of which, in order to reproduce, compete for the new resource. In southern pines the phloem-inhabiting guild is composed of the southern pine beetle...

    Author(s):
    Fred M. Stephen
    Year:
    2011
    Keywords:
    bark beetles, Cerambycidae, competition, population dynamics, Scolytidae
    Source:
    In: Coulson, R.N.; Klepzig, K.D. 2011. Southern Pine Beetle II. Gen. Tech. Rep. SRS-140. Asheville, NC: U.S. Department of Agriculture Forest Service, Southern Research Station. 183-198.

  20. Tree physiology and bark beetles

    Irruptive bark beetles usually co-occur with their co-evolved tree hosts at very low (endemic) population densities. However, recent droughts and higher temperatures have promoted widespread tree mortality with consequences for forest carbon, fire and ecosystem services (Kurz et al., 2008; Raffa et al., 2008; Jenkins et al., 2012). In this issue of New Phytologist,...

    Author(s):
    Michael G. Ryan; Gerard Sapes; Anna Sala; Sharon Hood
    Year:
    2015
    Keywords:
    drought, induced defense, irruptive bark beetles, resin production, tree mortality
    Source:
    New Phytologist. 205: 955-957.

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