Mid-sail during a lovely Memorial Day outing on the Severn River this spidery mess smashed onto the floor. And, of course, as I was steering the boat all I could think was: I love the open water – but I wish we had more crew so I can go take photos of the dead spiders! Turns out, this was a nest created by a black and yellow Mud Dauber Wasp. The wasp builds a mud nest in the shape of cones onto a surface, finds and paralyzes a variety of spiders, drags the spiders into the nest, and then the wasp lays a single egg onto the spider and seals them into the nest. When the wasp larva hatch the first thing they eat are the spiders. I can’t wait for more sailing!