The moth (Nemapogon cloacellus) is 7.5 millimeters long and has a wingspan of 10 to 14 millimeters. The insect likes to lay its eggs in damp places in the wine cellar from. If this is on a cork takes place, this is eaten by the hatched caterpillar (also called corkworm) and thereby leaks what subsequently (next to mold ) oxidation of the wine until it runs out. One is also possible Taste impairment of the wine through molds, bacteria and mites that settle on the cork crumbs riddled with feces and get into the bottle through the leaking cork. This can also cause the wine error Schimmel taste arise. You can recognize the infestation by the caterpillar itself on the cork or on eaten cork or on cork crumbs or on the floor. You can protect undamaged bottles by covering the cork with sealing wax. Usually there is good protection by using bottled Capsules capsule. You can also fight the cork moth with biological moth traps.