Haku
Viitteet 1-2 / 2
Rearing the univoltine ladybeetles, coccinella septempunctata and adalia bipunctata (col., coccinellidae), all year around in the laboratory
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1976)
Natural enemy conservation for the integrated control of the rape blossom beetle Meligethes aeneus F.
(Agricultural Research CentreMaatalouden tutkimuskeskus, 1988)