Douglas-fir Timema vs Northern Snow Scorpionfly
Side-by-side species comparison
| Attribute | Douglas-fir Timema | Northern Snow Scorpionfly |
|---|---|---|
| Scientific Name | Timema douglasi | Boreus westwoodi |
| Order | Phasmatodea | Mecoptera |
| Family | Timematidae | Boreidae |
| Size | 1.5-2 cm | 3-4 mm |
| Habitat | Forests | Forests |
| Diet | Herbivores | Omnivores |
| Regions | United States (Oregon), United States (Northern California) | Northern Europe, Scandinavia, Finland, northern Russia |
| Conservation | Least Concern | Least Concern |
Douglas-fir Timema
A parthenogenetic timema that feeds on old-growth Douglas fir. All-female populations can occasionally cause noticeable defoliation.
Did You Know?
It reproduces entirely without males and can reach outbreak densities that defoliate old-growth Douglas fir trees.
Northern Snow Scorpionfly
A small, dark, flightless scorpionfly that appears on snow in late autumn and early winter. It is glossy black-brown with elongated mouthparts for feeding on mosses. Females have a prominent pointed ovipositor.
Did You Know?
Despite being wingless, this insect can jump short distances using its powerful hind legs to move quickly across snow.