Dinaric Cave Diving Beetle vs Iron Blue Dun

Side-by-side species comparison

Attribute Dinaric Cave Diving Beetle Iron Blue Dun
Scientific Name Spelaeodytes mirabilis Baetis muticus
Order Coleoptera Ephemeroptera
Family Carabidae Baetidae
Size 6-8 mm 5-7 mm
Habitat Caves Rivers & Streams
Diet Omnivores Omnivores
Regions Bosnia and Herzegovina Europe
Conservation Vulnerable Least Concern

Dinaric Cave Diving Beetle

A remarkable cave ground beetle from the Dinaric karst, with spider-like elongated legs. It was first collected in Herzegovina in the 19th century.

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Did You Know?

Its spider-like appearance led early naturalists to initially misidentify it.

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.

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Did You Know?

Hatches are most prolific during rain and cold snaps, making it a favorite species for wet-weather anglers.