Scarlet-Bodied Pergid Sawfly vs Mountain Stonefly

Side-by-side species comparison

Attribute Scarlet-Bodied Pergid Sawfly Mountain Stonefly
Scientific Name Perga kirbyi Protonemura montana
Order Hymenoptera Plecoptera
Family Pergidae Nemouridae
Size 16-24 mm 6-10 mm body length
Habitat Woodlands Mountains
Diet Herbivores Herbivores
Regions Australia Europe, Alps, British mountains
Conservation Least Concern Least Concern

Scarlet-Bodied Pergid Sawfly

A large, robustly built Australian sawfly with a bright scarlet to red-orange abdomen and dark head and thorax. Its spitfire larvae feed on eucalyptus in tight clusters.

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Did You Know?

Adult females demonstrate rare parental care for an insect by guarding their egg batch and early-instar larvae on the eucalyptus leaf.

Mountain Stonefly

A small brown stonefly common along mountain brooks and streams. Nymphs feed on fallen leaves in cold, well-oxygenated water.

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Did You Know?

Its presence is an indicator of excellent water quality in mountain streams.