The moth (Nemapogon cloacellus) is 7.5 millimeters long and has a wing span of 10 to 14 millimeters. The insect likes to lay its eggs in damp places in the wine cellar from. If this on one cork takes place, it is eaten by the hatched caterpillar (also called corkworm) and thus leaking what in the sequence (next to mold ) oxidation of the wine to the point of leakage causes. It is also possible Taste impairment of wine through mold, bacteria and mites who settle on the cork-crumb webs penetrated by the droppings and get into the bottle through the leaking cork. This can then also the wine error Schimmel taste arise. You can see the infestation by the caterpillar itself on the cork or on eaten corks or cork crumbs or on the ground. Unfilled bottles can be protected by coating the cork with sealing wax. In general, there is good protection by using bottled Capsules capsule. The cork moth can also be controlled by biological moth traps.