Black-shouldered Spinyleg
(Dromogomphus spinosus)
Species Description
**Description:** A large, powerful dragonfly with a yellow-and-black striped body and long spines on its hind legs.
**Size:** 2.2 to 2.6 inches long.
**Behavior:** A river specialist that uses long leg spines like a "basket" to snatch large insects—including other dragonflies—mid-air.
**Identification:** Look for the flared "club" at the end of the abdomen and the prominent leg spines.
**Habitat:** Riffles of the Allegheny River and Tionesta Creek.
**Size:** 2.2 to 2.6 inches long.
**Behavior:** A river specialist that uses long leg spines like a "basket" to snatch large insects—including other dragonflies—mid-air.
**Identification:** Look for the flared "club" at the end of the abdomen and the prominent leg spines.
**Habitat:** Riffles of the Allegheny River and Tionesta Creek.