Yazar
united states entomology research division
30 cilt bulundu.
United States. Entomology Research Division · U.S. Dept. of Agriculture
Sayfa sayısı yok · 1958
Cockroaches / Pests / Control
United States. Entomology Research Division · Dept. of Agriculture
Sayfa sayısı yok · 1955
Horn fly / Control / Cattle / Health / Insecticides
United States. Entomology Research Division · U.S.D.A.
Sayfa sayısı yok · 1959
Bedbugs / Control / Beetles
United States. Entomology Research Division · U.S. Govt. Print. Off.
Sayfa sayısı yok · 1964
Warble flies / Control
United States. Entomology Research Division · U.S. Dept. of Agriculture
Sayfa sayısı yok · 1955
Poultry / Mites
United States. Entomology Research Division · U.S. Dept. of Agriculture
Sayfa sayısı yok · 1954
Alfalfa weevil / Control
United States. Entomology Research Division · United States Department of Agriculture, Agricultural Research Service
11 sayfa · 1958
Bee culture / Honeybee
United States. Entomology Research Division · U.S. Dept. of Agriculture
Sayfa sayısı yok · 1955
Housefly / Control / Insecticides / Pests
United States. Entomology Research Division · U.S. Govt. Print. Off.
Sayfa sayısı yok · 1955
Poultry / Ticks
United States. Entomology Research Division · U.S. Dept. of Agriculture
Sayfa sayısı yok · 1957
Spotted alfalfa aphid / Control / Alfalfa / Diseases and pests
United States. Entomology Research Division · U.S. Dept. of Agriculture
Sayfa sayısı yok · 1958
Apple-tree borers / Control / Pests / Insecticides
United States. Entomology Research Division · U.S. Dept. of Agriculture
Sayfa sayısı yok · 1958
Bryobia praetiosa / Control / Mites
United States. Entomology Research Division · U.S. Dept. of Agriculture, Agricultural Research Service
10 sayfa · 1955
Bee culture / Honeybee
United States. Entomology Research Division · For sale by the Supt. of Docs., U.S. G.P.O.
Sayfa sayısı yok · 1958
Wasps / Control
United States. Entomology Research Division · U.S. Dept. of Agriculture
Sayfa sayısı yok · 1955
Spotted cucumber beetle / Control / Corn / Diseases and pests / Pesticides
United States. Entomology Research Division · U.S. Govt. Print. Off.
Sayfa sayısı yok · 1969
Kategori yok
United States. Entomology Research Division · U.S. Dept. of Agriculture
Sayfa sayısı yok · 1960
Kategori yok
United States. Entomology Research Division · U.S. Dept. of Agriculture
Sayfa sayısı yok · 1958
Chinch-bugs / Control
United States. Entomology Research Division · U.S. Govt. Print. Off.
Sayfa sayısı yok · 1972
Kategori yok
United States. Entomology Research Division · U.S. Dept. of Agriculture
Sayfa sayısı yok · 1955
Fleas / Control / Pesticides
United States. Entomology Research Division · U.S. Dept. of Agriculture
Sayfa sayısı yok · 1961
Cercopidae / Control
United States. Entomology Research Division · U.S. Dept. of Agriculture
Sayfa sayısı yok · 1959
White-fringed beetles / Agricultural pests / Control / Insecticides
United States. Entomology Research Division · U.S. Govt. Print. Off.
Sayfa sayısı yok · 1969
Arthropods / Entomology
United States. Entomology Research Division · U.S. Govt. Print. Off.
Sayfa sayısı yok · 1970
Kategori yok
United States. Entomology Research Division. · For sale by the Supt. of Docs., U.S. Govt. Print. Off.
Sayfa sayısı yok · 1969
Horses / Gasterophilus / Diseases / Botflies / Control
United States. Entomology Research Division. · For sale by the Supt. of Docs., U.S. Govt. Print. Off.
11 sayfa · 1967
Ants / Control
United States. Entomology Research Division. · U.S. Dept. of Agriculture; [for sale by the Supt. of Docs., U.S. Govt. Print. Off.
12 sayfa · 1968
Bee culture / Apiculture
United States. Entomology Research Division. · For sale by the Supt. of Docs., U.S. Govt. Print. Off
11 sayfa · 1967
Grasshoppers / Control / Grasshopper control