SOIL MITES AS BIOCONTROL AGENTS AGAINST LAND SNAIL, Monacha cartusiana (MULLER) INHABITING SOIL AT SHARKIA GOVERNORATE

Mites inhabiting soil heavy infested with the land snail , monacha cartusiana (muller) in abou-kabeer district, sharkia governorate, egypt were surveyed during two successive years (9nov. to june: 2009 – 10 &2010-11). the collected mites were 18 species belonging to 16 genera, 16 families and 3 sub order of the sub-class acari. of the collected mites, uroobovella (fascuropoda) marginata (koch) (uropodidae: gamasida) inhabits the snail leading to the snail death within about 2 weeks also, the mite galumna flabillifera hammer (galumnidae: oribatida) penetrate the eggs of the same snail leading to a secondary infection with some pathogenic fungi which rapidly developed and finally leads to the death of those eggs.