3D A group of social insects, especially bees led by a queen, that has left the parent hive to start a new colony (5) 21D Extreme sensitivity to an injected antigen (11) 34D Small herrings, often prepared and canned in Norway (5) 39A The fact or state of living (9) 27D British word for an island (4) 32D The vertical part of a stair (5)