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Land snails and slugs are important pests for a wide range of fruit orchards, ornamental plants,vegetables and field crops all over the world. They tend to feed on the softer parts of plants causing feeding damage to plant seedlings, with irregular holes in leaves, roots, tubers and fruits, decrease yield or cause loss of quality due to the presence of slugs or snails or their feces in the harvested product.In Egypt,many authors who did their best to point out some of the ecological and biological behavior of terrestrial gastropods together with the possibilities of control their. At Dakahlia governorate,few scattered works on the terrestrial gastropods were done.Therefore, it was felt necessary to introduce more detailed studies on the incidence of the terrestrial gastropods at Dakahlia governorate,radular teeth terminology,morphology and taxonomy of the collected terrestrial gastropods,survey and morphology of the symbionts of the collected terrestrial gastropods and Possibilities of controlling the prevalent snail by the rhabditid nematode under laboratory conditions.

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Name: Marwa Azmy M.Genena, Current job:Lecturer of Malacology,Birh date:5/7/1976 Dakahlia,Egypt.Current Address Job:Agricultural Zoology Department,Faculty of Agriculture, Mansoura University, Mansoura 35516,Egypt. Email:marwaaz2002@yahoo.com, Personal site:www.marwaa.info.

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