Aradus laeviusculus

Reuter, 1875

Aradus laeviusculus is a near threatened (: ) that was considered extinct in Finland until its rediscovery in 1996. The inhabits post-fire , specifically burnt restoration sites. Recent records from Koli National Park in North Karelia, Eastern Finland, demonstrate its persistence in managed fire-maintained landscapes.

Aradus laeviusculus by Iwan Van Hoogmoed. Used under a CC BY 3.0 license.

Pronunciation

How to pronounce Aradus laeviusculus: /ˈaː.ra.dus le.vjusˈku.lus/

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Identification

Distinguished from other Aradus by specific structural features; however, detailed diagnostic characters are not provided in available sources. As a member of , possesses the -typical dorsoventrally flattened body form adapted for living under bark.

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Habitat

Post-fire ; specifically inhabits burnt restoration sites. Records from Koli National Park, North Karelia, Finland, were from a site burned for restoration purposes on 7 July 2005.

Distribution

North Karelia, Eastern Finland; specifically Koli National Park. Previously considered extinct in Finland until one specimen was found in 1996. GBIF records indicate presence in Norway and Sweden.

Seasonality

captured in late spring through late summer: 22 May–22 June 2006, 21 July–22 August 2006, and 23 July–25 August 2008.

Human Relevance

Near threatened of concern in Finland. Management implications suggest that slash-and-burn and restoration burn treatments may sustain the continuum of post-fire essential for persistence.

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Sources and further reading