Lackawanna River Corridor Association Lackawanna River Beetle Larvae Order: Coleoptera Family: Elmidae Key features 3 pairs of legs alternating brown and black bands no tails size range: 1/8-1/4"

  Most beetle larvae found in the River are nearly microscopic and have alternating brown and black bands on their body. They are the larvae form of adult riffle beetles . The larvae are pollution intermediate organisms that are widespread throughout the River, except for the lower stretch downstream of Old Forge. They generally feed on small particles of plant material.

	Family: Elmidae Genus: Optioservus
	Family: Elmidae Genus: Stenelmis