Author: R. W. CampbellPublisher:
ISBN:
Category :
Languages : en
Pages : 5
Book Description
Number and Size of Eggs in Egg Masses of the Western Spruce Budworm (Lepidoptera: Tortricidae)
Author: R. W. CampbellWestern Spruce Budworm Egg Mass Dimensions
Author: Richard Irvin WashburnPublisher:
ISBN:
Category : Insect populations
Languages : en
Pages : 30
Book Description
Estimating Numbers of Eggs in Western Budworm Egg Masses
Author: M. E. McKnightPublisher:
ISBN:
Category : Insects
Languages : en
Pages : 4
Book Description
General Technical Report WO.
Author: Publisher:
ISBN:
Category : Forests and forestry
Languages : en
Pages : 228
Book Description
A Literature Review of the Spruce, Western, and 2-year-cycle Budworms
Author: Melvin E. McKnightPublisher:
ISBN:
Category : Choristoneura
Languages : en
Pages : 42
Book Description
Covers 370 literature citations on the spruce (C. fumiferana (Clemens)), western (C. occidentalis Freeman), and 2-year-cycle (C. biennis Freeman) budworms through November 1967. Citations are also organized in a suject index.
Research Paper PNW.
Author: Publisher:
ISBN:
Category : Forests and forestry
Languages : en
Pages : 348
Book Description
Technical Bulletin
Author: How to Distinguish Between Old and New Egg Masses of the Western Spruce Budworm
Author: Daniel B. TwardusPublisher:
ISBN:
Category : Conifers
Languages : en
Pages : 8
Book Description
USDA Forest Service Research Paper INT.
Author: Western Spruce Budworm Egg Mass Dimensions
Author: Richard Irvin WashburnPublisher:
ISBN:
Category : Insect populations
Languages : en
Pages : 20
Book Description