Yazar
roger d akre
15 cilt bulundu.
Roger D. Akre · Cooperative Extension Service, College of Agriculture, Washington State University
Sayfa sayısı yok · 1973
Control / Paper wasps / Wasps / Yellow jackets (Insects)
Roger D. Akre · Cooperative Extension, College of Agriculture, Washington State University
Sayfa sayısı yok · 1976
Ants / Behavior
Roger D. Akre · Cooperative Extension, College of Agriculture, Washington State University
Sayfa sayısı yok · 1980
Carpenter ants / Control
Roger D. Akre · Cooperative Extension Service, College of Agriculture, Washington State University
Sayfa sayısı yok · 1980
Ants
Roger D. Akre · Cooperative Extension, Washington State University
Sayfa sayısı yok · 1991
Control / Tapinoma
Roger D. Akre · Cooperative Extension, Washington State University
11 sayfa · 1992
Ants / Identification / Insect pests
Roger D. Akre · Cooperative Extension, College of Agriculture & Home Economics, Washington State University
Sayfa sayısı yok · 1990
Arachnida / Spiders
Roger D. Akre · Cooperative Extension, College of Agriculture and Home Economics, Washington State University
Sayfa sayısı yok · 1991
Biological control / Control / Diseases and pests / Insects as biological pest control agents / Pear
Roger D. Akre · Washington State Cooperative Extension
Sayfa sayısı yok · 1987
Agelenidae / Hobo spider
Roger D. Akre · Cooperative Extension, College of Agriculture & Home Economics, Washington State University
Sayfa sayısı yok · 1987
Ants / Handbooks, manuals / Identification / Insect pests
Roger D. Akre · Cooperative Extension Service, College of Agriculture, Washington State University
Sayfa sayısı yok · 1975
Photography of insects
Roger D. Akre · Cooperative Extension, College of Agriculutre and Home Economics, Washington State University
18 sayfa · 1986
Slides (Photography)