Cooley Spruce Gall Adelgid vs Malagasy Walking Stick
Side-by-side species comparison
| Attribute | Cooley Spruce Gall Adelgid | Malagasy Walking Stick |
|---|---|---|
| Scientific Name | Adelges cooleyi | Achrioptera impennis |
| Order | Hemiptera | Phasmatodea |
| Family | Adelgidae | Achriopteridae |
| Size | 0.5-1 mm | 140-210 mm |
| Habitat | Forests | Forests |
| Diet | Gall Makers | Herbivores |
| Regions | North America, Europe | Madagascar |
| Conservation | Not Evaluated | Data Deficient |
Cooley Spruce Gall Adelgid
A gall-forming adelgid that alternates between spruce and Douglas-fir. Cone-shaped galls on spruce tips are its most recognizable sign.
Did You Know?
The pineapple-shaped galls it forms on spruce tips are often mistaken for small cones.
Malagasy Walking Stick
A large, wingless stick insect with a robust green body covered in small tubercles and spiny projections. Females can reach over 20 cm in length.
Did You Know?
Its species name 'impennis' means wingless, distinguishing it from relatives that have retained at least vestigial wing buds.