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Fall webworm: Hyphantria cunea Drury (Lepidoptera: Erebidae: Arctiinae)
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Fall webworm: Hyphantria cunea Drury (Lepidoptera: Erebidae: Arctiinae)

John J. Brown and Robert A. Rodstrom
Fact sheet (Washington State University. Cooperative Extension), 275E, Washington State University Extension
06/2017
Handle:
https://hdl.handle.net/2376/12211
pdf
FS275E251.40 kBDownloadView

Abstract

Hyphantria cunea -- Control -- Northwest, Pacific. Poplar -- Diseases and pests -- Northwest, Pacific.
Historically, the fall webworm (Hyphantria cunea) has been a minor pest in hybrid poplar plantations in the Upper Columbia River basin. However, in 2009, H. cunea populations reached unprecedented levels, causing complete defoliation in parts of several planting blocks. Here we alert integrated pest management (IPM) professionals to the potential for H. cunea to become problematic in their plantations and recommend means to monitor and control pest populations.

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