Libri di beneficial insects
22 libri in questo genere
Influence of broad band UV-B on physiology and behavior of beneficial and harmful insects
Dora K. Hayes
Florida Insects
Lewis S. Maxwell
Handbook of insects injurious to orchard and bush fruits with means of prevention and remedy
Eleanor A. Ormerod
Methods in ecological and agricultural entomology
Dent, David Ph. D.
A handbook for the identification of insects of medical importance
Smart, John.
Exotic Insects in Australia
T. R. New
Insects and man
Ealand, Charles Aubrey
Die forstinsekten Mitteleuropas
Karl Escherich
Lepidoptera
J. D. Holloway
How are insects helpful?
Molly Aloian
Insects and Human Life
Brian Morris
...Injurious insects and useful birds, successful control of farm pests
F. L. Washburn
Notes and descriptions of a few injurious farm & fruit insects of South Africa
Eleanor A. Ormerod
Heteroptera of economic importance
Forest insect conditions in Arizona and New Mexico-1956
F. M. Yasinski
A treatise on some of the insects injurious to vegetation
Harris, Thaddeus William
History of Mitchell corn palace
N. J. Dunham
The insect fauna of the genus Crataegus ...
Walter Housley Wellhouse
Beneficial insects
Great Britain. Ministry of Agriculture and Fisheries
Histoire des insectes utiles et nuisibles
Pierre-Joseph Buc'hoz