Dromogomphus spinosus

Also known as Spinyleg Dragonfly

Black-shouldered spinylegs feature heavy dark stripes along a pale yellow-green thorax and long, conspicuous spines lining their hind legs. Males defend territories along sunny, fast-flowing streams and clear lake shores, perching on exposed rocks or low branches near the water edge. Aquatic nymphs spend several years buried in gravel substrates before emerging as powerful aerial predators that hunt midges and flies mid-air.