Difference between revisions of "Pissodes strobi"
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The weevil is a serious pest of young spruce trees in North America. Sitka spruce (''Picea sitchensis'') is particularly vulnerable. The adults feed on the upper stem sections and deposit their eggs there under the cortex. The larvae feed on the phloem as well as on the adjacent cambium, destroying the apical leader. The attacks cause deformation of the trees when a lateral branch becomes the new apical leader. This destroys the commercial value of the tree and can lead to tree mortality. | The weevil is a serious pest of young spruce trees in North America. Sitka spruce (''Picea sitchensis'') is particularly vulnerable. The adults feed on the upper stem sections and deposit their eggs there under the cortex. The larvae feed on the phloem as well as on the adjacent cambium, destroying the apical leader. The attacks cause deformation of the trees when a lateral branch becomes the new apical leader. This destroys the commercial value of the tree and can lead to tree mortality. | ||
| − | For details see the respective page in [ | + | For details see the respective page in [[bugwood:Pissodes_strobi|BugwoodWiki]]. |
{{VN | {{VN | ||
|en=white pine weevil<br/>Sitka spruce weevil<br/>western spruce weevil<br/>spruce leader weevil | |en=white pine weevil<br/>Sitka spruce weevil<br/>western spruce weevil<br/>spruce leader weevil | ||
Latest revision as of 17:19, 26 May 2016
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Pissodes strobi (click on image to enlarge it)
Author(s): Natasha Wright, Florida Department of Agriculture and Consumer Services
Source: IPM Images
Author(s): Natasha Wright, Florida Department of Agriculture and Consumer Services
Source: IPM Images
Pissodes strobi (Peck) - (white pine weevil)
The weevil is a serious pest of young spruce trees in North America. Sitka spruce (Picea sitchensis) is particularly vulnerable. The adults feed on the upper stem sections and deposit their eggs there under the cortex. The larvae feed on the phloem as well as on the adjacent cambium, destroying the apical leader. The attacks cause deformation of the trees when a lateral branch becomes the new apical leader. This destroys the commercial value of the tree and can lead to tree mortality.
For details see the respective page in BugwoodWiki.
| Vernacular names | |
|---|---|
| • Deutsch: | Strobenrüsselkäfer |
| • English: | white pine weevil Sitka spruce weevil western spruce weevil spruce leader weevil |
| • Español: | gorgojo del pino Weymouth |
| • Français: | charançon du pin blanc |
- Other images of Pissodes strobi (IPM Images - click to enlarge)
larva
larva
larva
pupa
feeding damage Pseudotsuga menziesii
damage on Picea pungens
damage on Picea engelmannii
