European pine sawfly : distribution, biology, economic importance, natural enemies and control
KOLOMIETS, N.G
European pine sawfly : distribution, biology, economic importance, natural enemies and control - New Delhi 1979 - 138p
HYMENOPTERA
EUROPEAN PINE SAWFLY - DISEASES AND PEST HYMENOPTERA
595.79 K93E
European pine sawfly : distribution, biology, economic importance, natural enemies and control - New Delhi 1979 - 138p
HYMENOPTERA
EUROPEAN PINE SAWFLY - DISEASES AND PEST HYMENOPTERA
595.79 K93E