In this work I have investigated the ovoposition behavior of bean beetles over four generations. The purpose of this work is to investigate whether the bean beetle will prefer to lay eggs on the bean, mung bean or adzuki bean, they were born from for four generations. I was interested in exploring which of the beans, mung or adzuki, the bean beetles would prefer to lay eggs on and if there would be an increase in egg laying on the bean they were born from. The method used in the investigation involves on raising four generations of bean beetles, one culture breed from mung beans and one culture breed from adzuki beans. The result shows that the ovoposition behavior of the bean beetles depends on several factors as genetic selection, the nutritional value of the beans and the inbreeding.