it's a trap for plum moth (Cydia funebrana), the most common caterpillar of plum, which penetrates into the fruits feeding on them and causing severe damage like rot, soft pulp and fruit drop. This trap is suitable to monitor adult moths, uses a synthetic replica of the scent produced by the female to attract the males into the trap where there is a support covered with glue to which they stick. The capture of male insects allows so to reduce the fecundation and the amount of the eggs that are laid.
the plum moth winters as a worm into the crevices of the bark; the first flight of the moths starts one-two weeks after the fall of petals, when plums have the size of a cherry stone. The flights go on until May-early June. The second flight begins in mid-July and goes on until the end of August, so it is advised to place the traps in the orchard within end of April until end of August. One trap is effective to control/monitor 3 to 5 trees (within a radius of 15 metres). Replace the trap if full of insects or after 6 to 8 weeks of use.
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