Larch Sawfly vs Australian Satin Sawfly

Side-by-side species comparison

Attribute Larch Sawfly Australian Satin Sawfly
Scientific Name Pristiphora erichsonii Perga lewisi
Order Hymenoptera Hymenoptera
Family Tenthredinidae Pergidae
Size 8-12 mm (adult) 14-20 mm
Habitat Forests Woodlands
Diet Omnivores Herbivores
Regions North America, Europe Australia
Conservation Not Evaluated Least Concern

Larch Sawfly

The most important defoliator of larch in North America. Periodic outbreaks can last for years and cause significant growth reduction.

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Did You Know?

Indigenous peoples used outbreaks as a calendar marker, as they occurred with notable regularity.

Australian Satin Sawfly

A large Australian sawfly with a satiny dark blue-black body. Larvae are robust and feed in clusters on eucalyptus foliage.

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Did You Know?

The larvae tap their bodies rhythmically against the branch when disturbed, producing vibrations that may alert other larvae in the colony.