Yazar
james c evenden
7 cilt bulundu.
James C. Evenden · United States Bureau of Entomology and Plant Quarantine, Division of Forest Insect Investigations
18 sayfa · 1938
Insect pests / Control / Environmental conditions / Mountain pine beetle / Douglas fir beetle
James C. Evenden · U.S. Department of Agriculture, Bureau of Entomology
Sayfa sayısı yok · 1927
Douglas fir beetle / Control / Douglas fir / Diseases and pests
James C. Evenden · U.S. Department of Agriculture, Bureau of Entomology
Sayfa sayısı yok · 1927
Mountain pine beetle / Control / Pine / Diseases and pests
James C. Evenden · U.S. Department of Agriculture, Bureau of Entomology
Sayfa sayısı yok · 1927
Pine butterfly / Control / Pine / Diseases and pests
James C. Evenden · U.S. Department of Agriculture, Bureau of Entomology
Sayfa sayısı yok · 1927
Western pine beetle / Control / Yellow pines / Diseases and pests
James C. Evenden · U.S. Dept. of Agriculture
25 sayfa · 1943
Mountain pine beetle / Pine / Diseases and pests
James C. Evenden · U.S. Department of Agriculture, Bureau of Entomology
Sayfa sayısı yok · 1927
Spruce budworm / Control