1 / 8

Bark Beetles

Bark Beetles. By: Marissa Cheyne. Spruce Beetle. (Dendroctonus rufipennis). Hosts- Engelmann spruce, rarely lodge pole pine. Red-Brown boring dust on bark through Mid May- July. Attack Trees less than 12 inches diameter. Red Turpentine Beetle. (Dendroctonus valens).

alta
Download Presentation

Bark Beetles

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Bark Beetles By: Marissa Cheyne

  2. Spruce Beetle (Dendroctonus rufipennis) Hosts- Engelmann spruce, rarely lodge pole pine Red-Brown boring dust on bark through Mid May- July Attack Trees less than 12 inches diameter

  3. Red Turpentine Beetle (Dendroctonus valens) Host: Ponderosa and lodge pole pine. Can infest any pine species Largest & Weakest Trees are attacked: Trees also injured by fire, logging, and other damages Beetle gallery Very Large Red Pitch tubes

  4. Western Pine Beetle (Dendroctonus brevicomis) Host: Ponderosa Pine Kills trees that are less than 6 inches

  5. Mountain Pine Beetle (Dendrotonusponderosae) Hosts: All Native and introduced species of pines Kills trees less than 5 inches

  6. Douglas Fir Beetle (Dendroctonus pseudotsugae) Hosts: Douglas Fir, Western Larch Attack trees less than 12 inches

  7. Ambrosia Beetle (Trypodendronspp) Hosts: True Firs, Spruce, Douglas Fir, Hemlock, Larch, Pine Attacks tree that are weak, dying or recently cut

  8. Works Citied Leatherman, D.A.. ""Mountain Pine Beetle"." Colorado State University. Colorado State University Extension, 3 2012. Web. 19 Nov 2012. <www.ext.colostate.edu>. Hagle, Susan. "Bark Beetles and Wood Borders". Missoula, Montana: U.S. Department of Agriculture Forest Service, 1987. 34-45. Print. Seybold, S.J.. ""Bark Beetles"." UCIPM Online. UC ANR, 08 2012. Web. 14 Nov 2012. <www.ipm.ucdavis.edu>.

More Related