Table of the 10 most abundant bee species in fields of a) conventional cotton (Gossypium hirsutum) and b) sesame (Sesamum indicum) and their abundances in savanna sites in all three study areas. Data were collected with pantraps for a period of 21 months in 2014 and 2015 (bee sampling in the crop fields only during two rainy seasons from June to October when crops were in bloom) in a total of 12 savanna sites, 11 cotton fields, 11 sesame fields of ca. 1ha each in the south of Burkina Faso, West-Africa.