Most people expect to find caterpillars in plants and trees or on the ground, but did you know some moth and butterfly larvae spend their time in aquatic habitats? Here’s a look at the lesser-known, water-dwelling contingent of order Lepidoptera. One such example is Bellura gortynoides, sometimes known as the white-tailed diver moth, a larva of which is shown here. (Photo via iNaturalist/mhalsted, CC BY-NC 4.0)