Dun-bar vs Tasmanian Giant Stonefly

Side-by-side species comparison

Attribute Dun-bar Tasmanian Giant Stonefly
Scientific Name Cosmia trapezina Eusthenia spectabilis
Order Lepidoptera Plecoptera
Family Noctuidae Eustheniidae
Size 28-34 mm wingspan 30-50 mm
Habitat Underground Mountains
Diet Predators Predators
Regions Europe, Asia Australia (Tasmania)
Conservation Least Concern Least Concern

Dun-bar

A late summer noctuid moth whose caterpillars are partly predatory, eating other moth larvae sharing their tree. Variable brown coloration with a distinctive pale bar.

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Did You Know?

Caterpillars are cannibalistic and predatory, readily consuming other moth larvae they encounter on leaves.

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.