Add to Lightbox
Nest of Black and Yellow Mud Dauber (Sceliphron caementarium), 6 cm high x 3.5 cm wide, showing several capped cells and one open cell; southwest Oregon, USA
Robert & Jean Pollock/Visuals Unlimited, Inc.
all images © Visuals Unlimited
Visuals Unlimited, Inc. specializes in, microscopy, healthcare, medical, wildlife, underwater, agriculture, and science stock photography.