INVESTIGATIONS ON TAXONOMY, BIOLOGY AND CONTROL OP THE GROUNDNUT APHID, APHIS CRACCIVORA KOCH. (HEMIPTERA : APHIDIDAE
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INVESTIGATIONS ON TAXONOMY, BIOLOGY AND CONTROL OP THE GROUNDNUT APHID, APHIS CRACCIVORA KOCH. (HEMIPTERA : APHIDIDAE TABLE OF CONTENT Title page- – – – – – – – – …