Guard for protecting fruit trees against climbing parasitic insects and larvae comprises barrier ring with smooth surface and trough for fluid

摘要

The guard consists of a ring (1) fitted round the trunk (9) of a tree at ground level (10), with barriers (4, 8) specific to the parasites being combatted. One barrier is a near-vertical smooth wall (4), and the other is a trough (8) that can be filled with a substance (11) whose composition or consistency creates an insurmountable obstacle to the creatures. The guard can have a slit in one side to open it, or be made in two assembled sections.