Great Mullein Weevil vs Luminous Beetle of Ulu Selangor
Side-by-side species comparison
| Attribute | Great Mullein Weevil | Luminous Beetle of Ulu Selangor |
|---|---|---|
| Scientific Name | Cionus thapsus | Pteroptyx similis |
| Order | Coleoptera | Coleoptera |
| Family | Curculionidae | Lampyridae |
| Size | 3-4.5 mm | 4-6 mm |
| Habitat | Grasslands | Rivers & Streams |
| Diet | Herbivores | Predators |
| Regions | Europe | Southeast Asia, Malaysia |
| Conservation | Least Concern | Least Concern |
Great Mullein Weevil
A small rounded weevil found exclusively on great mullein plants. Similar to the figwort weevil but associated with different host plants. Larvae are external feeders in mucous cocoons.
Did You Know?
Each larva lives inside its own slimy mucous cocoon attached to the mullein leaf surface.
Luminous Beetle of Ulu Selangor
A tiny synchronous firefly found along rivers in Malaysia. Males congregate by the hundreds in berembang trees along tidal rivers and flash with remarkable precision.
Did You Know?
The Selangor River firefly displays were once among the brightest bioluminescent shows on Earth, but habitat loss has reduced their numbers.