Douglas-fir Timema vs Giant Prickly Stick Insect
Side-by-side species comparison
| Attribute | Douglas-fir Timema | Giant Prickly Stick Insect |
|---|---|---|
| Scientific Name | Timema douglasi | Extatosoma tiaratum |
| Order | Phasmatodea | Phasmatodea |
| Family | Timematidae | Phasmatidae |
| Size | 1.5-2 cm | 100-150 mm (females) |
| Habitat | Forests | Woodlands |
| Diet | Herbivores | Herbivores |
| Regions | United States (Oregon), United States (Northern California) | Oceania |
| 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.
Giant Prickly Stick Insect
Large Australian stick insect with lobed legs resembling leaves. Females drop eggs that mimic seeds — ants carry them underground to their nests where they safely develop.
Did You Know?
Giant prickly stick insect eggs have a knob that mimics a seed nutrient body — ants carry the eggs to their underground nests, unwittingly protecting them from predators.