TargMB08536/TargMI09036, TargMB08536/Df(2R)BSC858 and TargMB08536/Df(2R)Exel6284 transheterozygotes exhibit fewer enteroendocrine cells and more lipid droplets in the anterior midgut, but not in the posterior midgut, as well as fewer lipid droplets in the adult fat body. TargMB08536/TargMI09036 transheterozygotes also exhibit fewer lipid droplets in the adult fat body.