Dendrochronological reconstruction of arborvitae leafminer (Argyresthia spp.) outbreaks on northern white-cedar (Thuja occidentalis) in Maine, USA

Fraver, S.; Bosely-Smith, C.; Seirup, C.; Guiterman, C.H.; Schmeelk, T.; Teets, A.; Van Kampen, R.; Kenefic, L.S.

doi:10.1139/cjfr-2023-0193

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Dendrochronological reconstruction of arborvitae leafminer (Argyresthia spp.) outbreaks on northern white-cedar (Thuja occidentalis) in Maine, USA

2023
By Fraver, S. ; Bosely-Smith, C. ; Seirup, C. ; ...

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Journal Title:

Canadian Journal of Forest Research
Personal Author:

Fraver, S. ; Bosely-Smith, C. ; Seirup, C. ; Guiterman, C.H. ; Schmeelk, T. ; ... More +

Fraver, S. ; Bosely-Smith, C. ; Seirup, C. ; Guiterman, C.H. ; Schmeelk, T. ; Teets, A. ; Van Kampen, R. ; Kenefic, L.S. Less -
NOAA Program & Office:

NESDIS (National Environmental Satellite, Data, and Information Service) ; NCEI (National Centers for Environmental Information) ; CIRES (Cooperative Institute for Research in Environmental Sciences)

NESDIS (National Environmental Satellite, Data, and Information Service) ; NCEI (National Centers for Environmental Information) ; CIRES (Cooperative Institute for Research in Environmental Sciences) Less -
Description:

Although northern white-cedar (Thuja occidentalis; henceforth cedar) is thought to have few insect pests, arborvitae leafminers (primarily Argyresthia thuiella) have been known to cause leaf necrosis. Yet historical evidence for leafminer outbreaks is limited. We combined leafminer larval surveys conducted between 1950 and 1992 with tree-ring analyses from eight cedar stands to reconstruct a history of leafminer outbreaks in Maine, USA. Our tree-ring data show distinctive two- to three-year growth reductions that we attribute to leafminers. Several such growth reductions correspond to peak leafminer larval abundances, providing evidence that the reductions are reliable indicators of leafminer activity. Outbreak severity within a site was unrelated to cedar abundance. Outbreak periods thus identified (beginning ca. 1919, 1937, 1950, 1962, mid-1970s, but not at all sites) suggest that leafminer damage may have been more prevalent (albeit patchy) than previously thought. This historical information is relevant given current outbreaks in Maine and elsewhere.
Keywords:

[+]

Defoliation Dendrochronology Leafminers Thuja Occidentalis Arborvitae Argyresthia Thuiella Dendroecology DfoliatR Eastern White Cedar Host-non-host Analysis Insect Defoliation
DOI:

https://doi.org/10.1139/cjfr-2023-0193
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PDF
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Journal Article
Funding:

Grant no. NA22OAR4320151
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Submitted
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urn:sha256:2fafb5e094ade676597d3714ac440bc82142091662ceba41f2494da11de326c9
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https://repository.library.noaa.gov/view/noaa/56125/noaa_56125_DS1.pdf
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Dendrochronological reconstruction of arborvitae leafminer (Argyresthia spp.) outbreaks on northern white-cedar (Thuja occidentalis) in Maine, USA

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