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Abstract Introduction Snails represent one of the important groups of invertebrates in terrestrial ecosystems. land snails belong to the second largest phylum, after arthropods, (Sandeep et al. 2012). Land snails constitute around six percent of the total species on earth,(Clark and May,2002).Terrestrial gastropods attack the leaves, roots, buds, flowers, and even the tree trunks, causing damage to the foliage and fruit of cultivated plants, (Awad et al. 2012). The feeding activities of gastropods, as well as their soiling of fruits and crops with their excreted feces and mucus materials, during movement, lower the quality and size of the harvest, and damage crops in fields and gardens, (Awad, 2014). As a result, undesirable smell is caused, which prevents both man and animals from feeding on these contaminated plants, (Shetaia et al. 2009). In addition, rotting agents, such as bacteria, and fungi, usually establish themselves at places where slugs or snails have fed, so fruits and vegetables, in storage, suffer further damage, ( |