Nest Entrance and Sealing Behavior

1 . Describe the architecture of the nest entrance that the bees prefer?

Entrances are small for colony defense and retention of heat in the winter Entrance size is a ¾ to 1 ½ inch opening The opening location is below where they are constructing comb.

2 . How do workers seal off the hive from knots and cracks and drafts?

Block cracks with propolis (which is also antimicrobial)