2015. MCH flakes. MCH is an anti-aggregation pheromone used to protect trees from attack by the Douglas-fir beetle. Wenatchee, Washington.

MCH flakes. MCH is an anti-aggregation pheromone used to protect trees from attack by the Douglas-fir beetle.

Photo by: Connie Mehmel
Date: May 11, 2015

Photo credit: USDA Forest Service, Region 6, State and Private Forestry, Forest Health Protection, Wenatchee Service Center.
Source: Connie Mehmel collection. Wenatchee, Washington.

For more information about MCH see:
Ross, Darrell W., Kenneth Edward Gibson, and Gary E. Daterman. 2015. Using MCH to protect trees and stands from Douglas-fir beetle infestation. Forest Health Technology Enterprise Team, US Department of Agriculture, Forest Service.
www.fs.fed.us/foresthealth/technology/pdfs/MCH_handbook_1...

Image provided by USDA Forest Service, Region 6, State and Private Forestry, Forest Health Protection: www.fs.usda.gov/main/r6/forest-grasslandhealth

Taken in: United States / Washington / Wenatchee (show map)

Taken on: May 11, 2015

Tags:

USDA

USFS

Forest Health Protection

State and Private Forestry

Region 6

forest entomology

forest insect

3-methylcyclohex-2-en-1-one

MCH

anti-aggregation

Connie Mehmel

Wenatchee Service Center

Wenatchee

Washington

pheromone

2015

Douglas-fir beetle

attack

protection

flake

mylar

forest health « less

Sets appears in: • Wenatchee Service Center • Other Insect Control Methods more » • Douglas-fir Beetle « less

Camera: Apple iPhone 5s, f/2.2, 1/30 sec, 4.2mm, ISO 125 (more info) (hide info)

Camera:	Apple iPhone 5s
Aperture:	f/2.2
Exposure Time:	0.033 sec (1/30)
Focal Length:	4.2mm
ISO:	125
Exposure Bias:	0 EV
Flash:	Auto, Did not fire
Exposure Program:	Program AE
Exposure Mode:	Auto
Metering Mode:	Multi-segment
White Balance:	Auto
Color Space:	sRGB
Software:	8.3
Show full info

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