Churchyard Beetle vs Iron Blue Dun
Side-by-side species comparison
| Attribute | Churchyard Beetle | Iron Blue Dun |
|---|---|---|
| Scientific Name | Blaps mucronata | Baetis muticus |
| Order | Coleoptera | Ephemeroptera |
| Family | Tenebrionidae | Baetidae |
| Size | 18-25 mm | 5-7 mm |
| Habitat | Caves | Rivers & Streams |
| Diet | Omnivores | Omnivores |
| Regions | Europe | Europe |
| Conservation | Least Concern | Least Concern |
Churchyard Beetle
A large, slow-moving, flightless black beetle often found in cellars and old buildings. It emits a foul odor when disturbed.
Did You Know?
It was historically considered an omen of death when found inside a house.
Iron Blue Dun
A small dark mayfly that hatches prolifically on cool overcast days. Nymphs are found clinging to stones in moderate to fast current.
Did You Know?
Hatches are most prolific during rain and cold snaps, making it a favorite species for wet-weather anglers.