Scarce Blue-tailed Damselfly vs Kentucky Cave Beetle

Side-by-side species comparison

Attribute Scarce Blue-tailed Damselfly Kentucky Cave Beetle
Scientific Name Ischnura pumilio Darlingtonea kentuckensis
Order Odonata Coleoptera
Family Coenagrionidae Carabidae
Size 26-31 mm body length 5-6 mm
Habitat Wetlands Caves
Diet Omnivores Omnivores
Regions Western Europe, Central Europe, Southern Europe United States
Conservation Least Concern Vulnerable

Scarce Blue-tailed Damselfly

One of Europe's smallest damselflies, with a black body and a single blue segment near the tail tip. Females come in a remarkable variety of colour forms.

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Did You Know?

It specialises in colonising new and temporary water bodies that other dragonflies avoid.

Kentucky Cave Beetle

A troglobitic ground beetle found in caves along Kentucky's Cumberland Plateau. It is eyeless with elongated appendages typical of cave life.

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Did You Know?

Populations in different caves show significant genetic isolation from one another.