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The adult Mediterranean moth measures 10 to 12 mm in length and between 16 mm and 20 mm in wingspan when open. Its fore wings are uniformly gray, with dark transverse marks and some dark spots. The hind wings are pale gray to beige and fringed.
The Mediterranean moth feeds on dry dog food, dehydrated fruit, birdseed, flour and other dry foods.
The adult moths do not cause damage in food, it is the larvae that feed on it and the soil of their excrement and their tangles of bristles, the adult Mediterranean moth only mates.
The female can lay between 100 and 400 eggs dispersed directly on the food on which the larvae will feed after they hatch. In heated buildings, there can be an average of 4 to 6 generations per year.
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