Two-toothed Goldenring vs Giant Lacewing
Side-by-side species comparison
| Attribute | Two-toothed Goldenring | Giant Lacewing |
|---|---|---|
| Scientific Name | Cordulegaster bidentata | Polystoechotes punctata |
| Order | Odonata | Neuroptera |
| Family | Cordulegastridae | Ithonidae |
| Size | 70-80 mm | 40-75 mm wingspan |
| Habitat | Mountains | Rivers & Streams |
| Diet | Omnivores | Omnivores |
| Regions | Europe | North America |
| Conservation | Near Threatened | Endangered |
Two-toothed Goldenring
A large, dark goldenring dragonfly of central European mountain streams. It is distinguished from other goldenrings by two tooth-like projections on the occipital triangle.
Did You Know?
Its larvae develop in tiny trickles of spring water no wider than a hand, unlike most large dragonflies.
Giant Lacewing
Once widespread across North America, it vanished from the eastern US by the 1950s. A single specimen was rediscovered in Walmart parking lot in Arkansas in 2012 after 50 years.
Did You Know?
This giant lacewing was thought extinct in eastern North America for 50 years — until a single specimen was collected at a Walmart parking lot in Fayetteville, Arkansas in 2012.