coconut tree on white background. tropical palm tree attacked by coconut black-headed caterpillar. coconut drying up due

agriculture arenosella bacillus background beetle biopesticides black botanical branch caterpillar chemical coconut crop disease drying environment foliage forest garden green headed infest infestation isolated leaf natural nature object opisina palm pesticides pests plant protection red rhinoceros root season spring summer tall thuringiensis tree tropical trunk weevil white wilt wood