Management  Bagrada bug in desert cole crops Oct 01, 2010 1. 1-1-1-1.JPG The Bagrada bug is back with a vengeance this fall in cole crops grown in California and Arizona’s low desert regions. 2. 2-2-2-2.JPG John Palumbo, University of Arizona, discusses the Bagrada bug during the 2010 Southwest Ag Summit in Yuma, Ariz. this past spring. 3. 3-3-3-3.jpg The Bagrada bug damages the growing point on the plant which can result in no head, or smaller or multiple heads rendering the crop unmarketable. 4. 4-4-4-4.JPG Bagrada bugs tend to hide in the soil during the heat of the day and come out at night to feed.