Journal archives for September 2020

September 16, 2020

Spruce beetle update (Dendroctonus rufipennis)

The Mat-Su region continues to experience extensive spruce tree mortality due to a spruce beetle outbreak. #AKForestHealth scientists from Anchorage & Fairbanks visited the region to view the area & discuss the health of the forests. For more information, visit alaskasprucebeetle.org

Posted on September 16, 2020 15:37 by awenninger awenninger | 0 comments | Leave a comment

Foliar tar spot fungus (Rhytisma arbuti) on rusty menziesia

Have you seen black spots on false azalea/rusty menziesia? Plentiful rain in SE Alaska has led to an abundance of the foliar tar spot fungus (Rhytisma arbuti). It doesn’t do much damage since it occurs after seedset. For more information visit: ow.ly/dUma50BnyTq

Posted on September 16, 2020 15:49 by awenninger awenninger | 0 comments | Leave a comment

Rusty Tussock Moth (Orgyia antiqua)

Rusty tussock moth caterpillars feed on understory trees and shrubs throughout AK. The males have been flying in great numbers near Talkeetna and Hatcher Pass (the females are flightless). If you notice these critters, post your observation to iNaturalist!

Posted on September 16, 2020 15:33 by awenninger awenninger | 0 comments | Leave a comment

September 29, 2020

Spruce beetle -- time to process your firewood!

With cooler temperatures approaching, it's time to start processing your dead spruce into firewood. Processing recently killed & attacked trees now can reduce the spread of spruce beetles to new trees next spring. Visit http://alaskasprucebeetle.org for more info! #AlaskaForestHealth

Posted on September 29, 2020 15:41 by awenninger awenninger | 0 comments | Leave a comment