Passalid Beetle vs Hawaiian Happy-face Spider
Side-by-side species comparison
| Attribute | Passalid Beetle | Hawaiian Happy-face Spider |
|---|---|---|
| Scientific Name | Pharochilus dilatatus | Theridion grallator |
| Order | Coleoptera | Araneae |
| Family | Passalidae | Theridiidae |
| Size | 25-35 mm | 5 mm body length |
| Habitat | Forests | Forests |
| Diet | Wood Feeders | Omnivores |
| Regions | Australia | Hawaii |
| Conservation | Least Concern | Endangered |
Passalid Beetle
A large, glossy black beetle that lives in family groups inside rotting logs. Adults and larvae communicate using squeaking sounds produced by rubbing body parts together.
Did You Know?
Parents chew wood into pulp to feed their young, making them one of few beetles with true parental care.
Hawaiian Happy-face Spider
A tiny Hawaiian spider with markings on its abdomen that resemble a smiling face. It is endemic to the rainforests of four Hawaiian islands.
Did You Know?
The smiley-face pattern is thought to confuse predators by disrupting recognition of the spider shape.