Yazar
united states entomology research branch
21 cilt bulundu.
United States. Entomology Research Branch · U.S. Dept. of Agriculture, Agricultural Research Service
Sayfa sayısı yok · 1955
Yellow clover aphid / Control / Alfalfa / Diseases and pests
United States. Entomology Research Branch · U.S. Dept. of Agriculture
Sayfa sayısı yok · 1954
Dasyneura leguminicola / Control / Clover / Diseases and pests
United States. Entomology Research Branch · U.S. Dept. of Agriculture
Sayfa sayısı yok · 1955
Chestnut weevils / Control / Nuts / Diseases and pests / Fumigation
United States. Entomology Research Branch · U.S. Dept. of Agriculture
Sayfa sayısı yok · 1954
Chinch-bugs / Control / Grain / Diseases and pests
United States. Entomology Research Branch · U.S. Dept. of Agriculture
Sayfa sayısı yok · 1954
Sugarcane beetle / Control / Corn / Diseases and pests
United States. Entomology Research Branch · U.S. Dept. of Agriculture
10 sayfa · 1955
Ixodidae / Control / Ticks / Insecticides / Application
United States. Entomology Research Branch · U.S. Dept. of Agriculture
Sayfa sayısı yok · 1955
Mosquitoes / Control / Mosquitoes as carriers of disease / Pesticides / Application
United States. Entomology Research Branch · U.S. Dept. of Agriculture
Sayfa sayısı yok · 1954
Harmolita / Control / Wheat / Diseases and pests
United States. Entomology Research Branch · U.S. Dept. of Agriculture
Sayfa sayısı yok · 1954
Southern corn borer
United States. Entomology Research Branch · Yayınevi bilinmiyor
Sayfa sayısı yok · 1956
Bees / Behavior
United States. Entomology Research Branch · Yayınevi bilinmiyor
Sayfa sayısı yok · 1954
Nomenclature / Beetles
United States. Entomology Research Branch · Yayınevi bilinmiyor
Sayfa sayısı yok · 1954
Black widow spider
United States. Entomology Research Branch · U.S. Dept. of Agriculture
91 sayfa · 1955
Control / Insect pests / Insecticides
United States. Entomology Research Branch · Yayınevi bilinmiyor
Sayfa sayısı yok · 1956
Paratrioza cockerelli
United States. Entomology Research Branch · Yayınevi bilinmiyor
Sayfa sayısı yok · 1956
Hypoderma / Insecticides / Testing
United States. Entomology Research Branch · U.S. Dept. of Agriculture, Agricultural Research Service, Entomology Research Branch
Sayfa sayısı yok · 1955
Alfalfa weevil
United States. Entomology Research Branch. Section of Insects Affecting Man and Animals · Entomology Research Branch, Agricultural Research Service, U.S. Dept. of Agriculture
Sayfa sayısı yok · 1954
Control / Flies / Pest control baits
United States.: Entomology Research Branch · U.S. Department of Agriculture, Entomology Research Branch
46 sayfa · 1954
Systemic insecticides.
United States. Entomology Research Branch · Agricultural Research Service and Federal Extension Service, U.S. Dept. of Agriculture
97 sayfa · 1956
Control / Insect pests / Insecticides