publication . Other literature type . 2008

Mountain Pine Beetle Fecundity and Offspring Size Differ Among Lodgepole Pine and Whitebark Pine Hosts

Gross, Donovan;
Open Access
  • Published: 01 Dec 2008
  • Publisher: DigitalCommons@USU
  • Country: United States
Abstract
Whitebark pine (Pinus albicaulis Engelmann) is a treeline species in the central Rocky Mountains. Its occupation of high elevations previously protected whitebark pine from long-term mountain pine beetle outbreaks. The mountain pine beetle, however, is currently reaching outbreaks of record magnitude in high-elevation whitebark pine. We used a factorial laboratory experiment to compare mountain pine beetle (Dendroctonus ponderosae Hopkins) life history characteristics between a typical host, lodgepole pine (Pinus contorta Engelmann), and whitebark pine. We tested the effects of natal host and brood host on beetle fecundity, offspring size, and brood sex-ratio. W...
Subjects
free text keywords: mountain pine beetle, Dendroctonus ponderosae, whitebark pine, Pinus albicaulis, host effects, Biology
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DigitalCommons@USU
Other literature type . 2008
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