Washburn's Rock Crawler vs Mountain Stone Bristletail
Side-by-side species comparison
| Attribute | Washburn's Rock Crawler | Mountain Stone Bristletail |
|---|---|---|
| Scientific Name | Grylloblatta washingtonensis | Machilis germanica |
| Order | Grylloblattodea | Archaeognatha |
| Family | Grylloblattidae | Machilidae |
| Size | 15-25 mm | 8-12 mm |
| Habitat | Caves | Mountains |
| Diet | Detritivores | Detritivores |
| Regions | Pacific Northwest, United States | Central Europe |
| Conservation | Near Threatened | Least Concern |
Washburn's Rock Crawler
A pale, eyeless ice crawler found in the Cascade Range. It forages at night on snow surfaces in near-freezing temperatures.
Did You Know?
Their eggs can take up to five years to hatch in the cold conditions where they live.
Mountain Stone Bristletail
A scaled, humped bristletail found on rock faces and stone walls in European mountains. It has large touching compound eyes, long antennae, and three caudal filaments.
Did You Know?
Bristletails have an indirect mating system where males deposit sperm droplets on silk threads for females to pick up.