Giant Darkling Beetle of St. Helena vs Dahlia Longhorn
Side-by-side species comparison
| Attribute | Giant Darkling Beetle of St. Helena | Dahlia Longhorn |
|---|---|---|
| Scientific Name | Hegeter politus | Agapanthia dahli |
| Order | Coleoptera | Coleoptera |
| Family | Tenebrionidae | Cerambycidae |
| Size | 1.5-2.5 cm | 10-22 mm |
| Habitat | Heathland | Farmland |
| Diet | Detritivores | Parasitoids |
| Regions | St. Helena | Europe, Turkey, Iran, Central Asia |
| Conservation | Endangered | Least Concern |
Giant Darkling Beetle of St. Helena
A darkling beetle endemic to the remote island of St. Helena in the South Atlantic. It is nocturnal and hides under stones during the day.
Did You Know?
St. Helena has over 400 endemic invertebrate species, many of which are found nowhere else.
Dahlia Longhorn
A medium-sized longhorn with dense olive-green pubescence and a prominent yellow dorsal stripe on the pronotum. It is widely distributed across Europe and the Near East. Larvae develop inside the stems of umbellifers and composites.
Did You Know?
Larvae create a distinctive plug of frass at the base of the stem before pupating inside a silken cocoon.