Black Shouldered Spinyleg, Dromogomphus spinosus

The black-shouldered spinyleg (Dromogomphus spinosus) is a species of dragonfly that can be found in North America. Its range includes four provinces in Canada, including Ontario and Nova Scotia, and thirty-four states in America, including Alabama, Florida, New York, and Texas. It prefers to reside near muddy and rocky rivers. It can be seen between the months of May and September in many areas of its range.

The black-shouldered spinyleg reaches an average body length of 2.5 inches and holds blacks shoulders and spiny legs that help it catch its prey. The top side of the thorax holds a light green marking with two lighter ovals on each side.

The black-shouldered spinyleg is a common species throughout its range and holds a stable population. It holds no major threats and appears in many protected areas, so no conservation efforts are recommended for it. The black-shouldered spinyleg appears on the IUCN Red List with a conservation status of “Least Concern.”

Image Caption: Black-shouldered Spinyleg (Dromogomphus spinosus), Rideau River, Ontario, Canada. Credit: D. Gordon E. Robertson/Wikipedia (CC BY-SA 3.0)