Most of these Beediverse Quicklock corn nesting tunnels are plugged and filled with young developing mason bees. Mud plugs are of varying colors indicating that different females use different sources of mudding material. Three of the nesting holes remain unplugged and look empty although the lower open nesting hole on the lower left, contains a mason bees. It is probably close to filling its nesting tunnel. These nesting trays are of the newer ‘wood’ colors except the blue which gives the trays some color to help with the bees’ orientation. Overall, this spring nesting was mostly successful. In many cases, production looks like it will be more than the number of cocoons set out in the early spring.