Lake Stonefly vs Mountain Net-Winged Midge

Side-by-side species comparison

Attribute Lake Stonefly Mountain Net-Winged Midge
Scientific Name Megaleuctra complicata Blepharicera capitata
Order Plecoptera Diptera
Family Leuctridae Blephariceridae
Size 8-14 mm 7-11 mm
Habitat Mountains Mountains
Diet Detritivores Omnivores
Regions North America North America
Conservation Near Threatened Least Concern

Lake Stonefly

A rare stonefly found in cold mountain lake outlets and spring-fed streams.

💡

Did You Know?

Its restricted cold-water habitat makes it vulnerable to climate warming.

Mountain Net-Winged Midge

A large net-winged midge of Appalachian mountain streams. Larvae require extremely clean, well-oxygenated water flowing over smooth bedrock.

💡

Did You Know?

Females of some Blepharicera species are predatory on other small flies, catching them with their raptorial mouthparts.