caption: The image shows a pair of damselflies sitting on top of a table next to each other. On the left side of the image there is some text and numbers, and on the right side there is a scale. The damselfly have a slender body with a black and white striped pattern on its wings and a long, thin antennae. Its eyes are large and round, and its legs are short and spindly. Its wings are a light brown color and its body is a darker brown.