Document

Title

Evaluation of saddleback looper, Ectropis crepuscularia
Document Type: Report
Author(s): D. J. Curtis
Publication Year: 1969

Cataloging Information

Keyword(s):
  • fire hazard
  • forest health
  • infestation
  • insect outbreak
  • Ketchikan
  • tree mortality
Topic(s):
Region(s):
Record Maintained By:
FRAMES Staff; https://www.frames.gov/contact
Record Last Modified: December 3, 2015
FRAMES Record Number: 5662

Description

This infestation is located in the Ward Creek Drainage, along the west shore of Connell Lake near Ketchikan. At least 1/4 of the dominant and codominant trees have been defoliated in excess of 90%, and 1/2 of the remaining overstory has been defoliated in excess of 50%. Mortality is estimated to be approximately 15% of the overstory.

Citation:
Curtis, D.J. 1969. Evaluation of saddleback looper, Ectropis crepuscularia. 5200, Forest Insect and Disease Control. USDA Forest Service, Alaska Region. 4 p.