Haku
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The pseudoscorpionid Chernes cimicoides as a predator of the predatory mite Phytoseiulus persimilis on cucumber cultures in glasshouses
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1981)
Pests of cultivated plants in Finland in 1980
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1981)
Pests of cultivated plants in Finland in 1981
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1982)
Frog-hoppers (Hom., Cercopidae) in strawberry plantations
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1970)
Adult Angoumois grain moths Sitotroga cerealella Oliv. as a food source for larvae of the green lacewing Chrysopa carnea Steph. in mass rearing
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1977)
Ecology and control of timothy grass flies (Amaurosoma spp., Dipt., Scatophagidae) and the effects of chemical control on the fauna of the field stratum.
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1972)
Comparison of leafhopper faunae in cereals
(Agricultural Research Centre, 1971)