Western Yellowjacket vs Severini's Rover Ant
Side-by-side species comparison
| Attribute | Western Yellowjacket | Severini's Rover Ant |
|---|---|---|
| Scientific Name | Vespula pensylvanica | Tetramorium severini |
| Order | Hymenoptera | Hymenoptera |
| Family | Vespidae | Formicidae |
| Size | 11-16 mm | 2-3 mm |
| Habitat | Woodlands | Underground |
| Diet | Carrion Feeders | Omnivores |
| Regions | Western North America from Alaska to Mexico | Madagascar |
| Conservation | Least Concern | Least Concern |
Western Yellowjacket
The most common yellowjacket in western North America with a distinctive diamond-shaped black mark on its first abdominal segment. It is a frequent uninvited guest at outdoor picnics.
Did You Know?
In Hawaii, where it was accidentally introduced, it has become a serious invasive pest threatening native insects.
Severini's Rover Ant
A small leaf-litter ant with a finely striate head and propodeal spines of moderate length. It belongs to the T. severini species group endemic to Madagascar.
Did You Know?
Its species group contains numerous cryptic species that can only be reliably distinguished using DNA barcoding methods.