Drone brood vs worker bee brood . (1. Cell Size • Worker brood: Laid in normal worker cells, about 5.3 mm wide. • Drone brood: Laid in larger drone cells, about 6.4 mm wide.⸻2. Capping Appearance • Worker brood cappings: Flat or only slightly domed, uniform surface. • Drone brood cappings: More domed/bullet-shaped, sticking out from the comb (easy to spot when inspecting).⸻3. Location in the Hive • Worker brood: Found in the main brood nest, usually in a solid pattern in the center of frames. •