New Zealand Stonefly vs Pine-tree Lappet

Side-by-side species comparison

Attribute New Zealand Stonefly Pine-tree Lappet
Scientific Name Zelandoperla decorata Dendrolimus pini
Order Plecoptera Lepidoptera
Family Gripopterygidae Lasiocampidae
Size 15-25 mm 50-80 mm wingspan
Habitat Rivers & Streams Forests
Diet Herbivores Herbivores
Regions Oceania (New Zealand) Europe, Asia
Conservation Least Concern Least Concern

New Zealand Stonefly

An endemic New Zealand stonefly found in clean, fast-flowing streams. The aquatic nymphs are important indicators of water quality. Adults are poor fliers and often found resting on streamside vegetation. Stonefly diversity in New Zealand is remarkably high.

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Did You Know?

New Zealand stoneflies are such sensitive indicators of water quality that their absence from a stream is a reliable sign of pollution or degradation.

Pine-tree Lappet

A large moth that can be a devastating forest pest, with caterpillars capable of completely defoliating pine forests across Eurasia. Major outbreaks are cyclical and can last several years.

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Did You Know?

During outbreak years, caterpillars can strip entire pine forests bare, causing economic losses of millions of dollars.