Occurrence and seasonal fluctuation of certain land gastropod species associated with some crops and weeds at Sharkia Governorate were conducted at two district belonging to Sharkia Governorate. Results revealed that Monacha cartusiana (Muller)   and Succinea  putris (Linnaeus) snails were found at Hehia and Meniet EL-Kamh while  M cartusianawas found with higher densitythan S putris on agricultural crops and weeds .The majority of the examined crops were found with heavy infestation with M cartusiana while infestation with S putris was found light or moderate. Regarding weeds, it was noticed that chicory has heavy infestation with  M cartusiana while scarlet pimpernel was found with no infestation in despite of the highly density of  M cartusiana snails. It was necessary to mention that the field slug , Deroceras reticulatum was recorded for the first time at Meniet EL-Kamh associated with agricultural crops and chicory with high infestation .Regarding population dynamics, results revealed that M cartusiana snail was recorded with high density during spring months (March, April and May )as compared with winter or fall months .Data showed  that cabbage harbored the highest population of M cartusiana while broad bean show the lowest numbers.