Tau Emerald vs Creek Pacer Ground Beetle
Side-by-side species comparison
| Attribute | Tau Emerald | Creek Pacer Ground Beetle |
|---|---|---|
| Scientific Name | Hemicordulia tau | Chlaenius tricolor |
| Order | Odonata | Coleoptera |
| Family | Corduliidae | Carabidae |
| Size | 55-60mm | 10-14 mm |
| Habitat | Ponds & Lakes | Rivers & Streams |
| Diet | Predators | Predators |
| Regions | Oceania | North America, from Canada to the southern United States |
| Conservation | Least Concern | Least Concern |
Tau Emerald
A metallic emerald-green dragonfly with bright green eyes and a distinctive T-shaped yellow marking on the abdomen. It is one of the most common dragonflies in Australia. Males patrol relentlessly.
Did You Know?
The yellow tau-shaped mark on its abdomen gives it both its scientific and common name.
Creek Pacer Ground Beetle
A handsome ground beetle with bright metallic green elytra, a bluish pronotum, and reddish-brown legs. It is commonly found near streams and rivers across North America.
Did You Know?
Like other Chlaenius species, it produces a strong, distinctive odor from defensive glands that some collectors describe as smelling like leather or wet dog.