(Ophiogomphus severus). During a walk along a foothill trail, one can often come across one of these resting on the gravel. Key field marks: Pale green and yellow body, Snake-like patterning along the abdomen, ending in a swollen tip resembling a snake’s head. Turquiose eyes. Habitat: streams and rivers. Often found foraging away from water. Flight season: May to October. Photo by Scott Severs.