Studying the case of seasonal female workers under contract in intensive strawberry culture, this thesis intends to explore the way in which recruitment is based on their place in sex relations (mothers of young children) and on the reduction of their stay to work in order to control foreigners mobility (assignation to circulate). The thesis presents how migratory utilitarianism uses material sex relations and gender representations to render workers invisible, captive and flexible. Finally, we abord in this specific context the way in which seasonal workers life is articulated and tries to conciliate, sometimes impossibly, a domestic or family role and seasonal wage.A partir du cas des saisonnières marocaines travaillant sous contrat dans ...