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Effect of ecosystem disturbance on diversity of bark and wood-boring beetles (Coleoptera: Scolytidae, Buprestidae, Cerambycidae) in white spruce (Picea glauca (Monch) Voss) ecosystems of Alaska [microform] / Richard A. Werner (Research paper PNW-RP ; 546)

Effect of ecosystem disturbance on diversity of bark and wood-boring beetles (Coleoptera: Scolytidae, Buprestidae, Cerambycidae) in white spruce (Picea glauca (Monch) Voss) ecosystems of Alaska [microform] / Richard A. Werner (Research paper PNW-RP ; 546)
Microform図書
2002<YCA-A 13.78:PNW-RP-546>
National Diet Library
  • Author HeadingWerner, Richard A. (Richard Allen) , 1936- Pacific Northwest Research St...

Use of semiochemicals of secondary bark beetles to disrupt spruce beetle attraction and survival in Alaska [microform] / Richard A. Werner and Edward H. Holsten (Research paper PNW-RP ; 541)

Use of semiochemicals of secondary bark beetles to disrupt spruce beetle attraction and survival in Alaska [microform] / Richard A. Werner and Edward H. Holsten (Research paper PNW-RP ; 541)
Microform図書
2002<YCA-A 13.78:PNW-RP-541>
National Diet Library
  • Author HeadingWerner, Richard A. (Richard Allen) , 1936- Holsten, Edward H Pacific Nor...

Dispersal of the spruce beetle, Dendroctonus rufipennis, and the engraver beetle, Ips perturbatus, in Alaska [microform] / Richard A. Werner and Edward H. Holsten (Research paper PNW ; RP-501)

Dispersal of the spruce beetle, Dendroctonus rufipennis, and the engraver beetle, Ips perturbatus, in Alaska [microform] / Richard A. Werner and Edward H. Holsten (Research paper PNW ; RP-501)
Microform図書
1997<YCA-A 13.78:PNW-RP-501>
National Diet Library
  • Author HeadingWerner, Richard A. (Richard Allen) , 1936- Holsten, Edward H Pacific Nor...

Response of the engraver beetle, Ips Perturbatus, to semiochemicals in white spruce stands of interior Alaska [microform] / Richard A. Werner (Research paper PNW ; RP-465)

Response of the engraver beetle, Ips Perturbatus, to semiochemicals in white spruce stands of interior Alaska [microform] / Richard A. Werner (Research paper PNW ; RP-465)
Microform図書
1993<YCA-A 13.78:PNW-RP-465>
National Diet Library
  • Author HeadingWerner, Richard A. (Richard Allen) , 1936- Pacific Northwest Research St...

Effectiveness of polyethtylene sheeting in controlling spruce beetles (Coleoptera: Scolytidae) in infested stacks of spruce firewood in Alaska [microform] / Edward H. Holsten and Richard A. Werner (Research paper PNW ; RP-466)

Effectiveness of polyethtylene sheeting in controlling spruce beetles (Coleoptera: Scolytidae) in infested stacks of spruce firewood in Alaska [microform] / Edward H. Holsten and Richard A. Werner (Research paper PNW ; RP-466)
Microform図書
1993<YCA-A 13.78:PNW-RP-466>
National Diet Library
  • Author HeadingHolsten, Edward H Werner, Richard A. (Richard Allen) , 1936- Pacific Northwest Research St...

Insects and diseases of Alaskan forests / by Edward H. Holsten, Richard A. Werner, Thomas H. Laurent (Alaska Region report ; no. 75)

Insects and diseases of Alaskan forests / by Edward H. Holsten, Richard A. Werner, Thomas H. Laurent (Alaska Region report ; no. 75)
Microform図書
1981<YCA-A 13.103:75>
National Diet Library
  • Author HeadingHolsten, Edward H Werner, Richard A. (Richard Allen) , 1936- Laurent, Thomas H United Stat...

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