Tasmanian Giant Stonefly vs Mountain Net-Winged Midge

Side-by-side species comparison

Attribute Tasmanian Giant Stonefly Mountain Net-Winged Midge
Scientific Name Eusthenia spectabilis Blepharicera capitata
Order Plecoptera Diptera
Family Eustheniidae Blephariceridae
Size 30-50 mm 7-11 mm
Habitat Mountains Mountains
Diet Predators Omnivores
Regions Australia (Tasmania) North America
Conservation Least Concern Least Concern

Tasmanian Giant Stonefly

A spectacular large stonefly endemic to Tasmanian mountain streams with bold orange and black markings. Nymphs are among the largest aquatic insect larvae in Australia.

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Did You Know?

It belongs to an ancient Gondwanan family found only in Australia and South America.

Mountain Net-Winged Midge

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

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Did You Know?

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