Speckled Peter Stonefly vs Norfolk Hawker

Side-by-side species comparison

Attribute Speckled Peter Stonefly Norfolk Hawker
Scientific Name Paragnetina media Anaciaeschna isosceles
Order Plecoptera Odonata
Family Perlidae Aeshnidae
Size 15-22 mm 62-67mm
Habitat Rivers & Streams Wetlands
Diet Predators Predators
Regions North America Europe
Conservation Least Concern Near Threatened

Speckled Peter Stonefly

A medium-sized patterned stonefly of eastern streams with distinctive speckled wing markings. Nymphs are voracious predators among cobbles.

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Did You Know?

Nymphs have been observed actively stalking prey rather than simply ambushing passing invertebrates.

Norfolk Hawker

A large brown hawker dragonfly with distinctive green eyes and a yellow triangle on the second abdominal segment. It is associated with grazing marshes containing the water soldier plant.

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Did You Know?

It depends on the water soldier plant for egg-laying, making it vulnerable to the loss of this aquatic plant.