The study was conducted in the region of Bugorhe whose purpose is to assess where the outbreak of Aphis fabae growing seasons and the method of observation, identification key, Past software and microsoft Excel were used. The duration is 12 weeks during the season of 2011 (September-December) and 2012 (September to December) and the B season of 2012 (February-May). Results show the months of November to October 2011, 2012 and March-April 2012 have a high incidence of black aphids while the months of September to December were lower in 2011, 2012 as February 2012, so the attack of aphids develop especially during dry in August to November and in September-November 2012, while in the rainy season (September 2011, October 2012 and December 2011 and 2012, April 2012), colonies of aphids are dense, destroyed by parasitic fungi Erynia neophides or Neozygites. Larvae or adult beetles and larvae Syrphis help control when they devour pucerons. Thus, the auspicious time of the attacks by black aphids Aphis fabae is dry season cropping seasons (A or B) as Aphis fabae can colonize many cultivated or so spontaneous means of struggle to provide growers with beans in the region Bugorhe plants are based sprays of dimethoate or specific aphicid as pyrimicarb and cultivators of beans are uprooted seedlings of upon detecting virus-infected beans.