Coconut Eriophyid : Symptoms of Damage : Pest population occurs round the year but population maximum during June – Sep coinciding with the onset of monsoon. The earliest symptom on 2-3 month old buttons is pale yellow triangular patches seen below the perianth. Later, these patches become brown. Severely affected buttons may fall. As the buttons grow, brown patches lead to black necrotic lesions with longitudinal fissures on the husk. Oozing of the gummy exudation from the affected surface of t