DISTRIBUTION OF THE SPINDLE BUG OF ARECANUT CARVALHOIA ARECAE MILLER AND CHINA IN KERALA ITS BIOECOLOGY, SUSPECTED ROLE AS THE VECTOR OF YELLOW LEAF DISEASE AND CONTROL - STANLEY A. JACOB 1990; Dr.N.MOHAN DAS (COLLEGE OF AGRICULTURE VELLAYANI DEPARTMENT OF AGRICULTURAL ENTOMOLOGY, 1990)