Ground Beetles of Ireland

Lebia cruxminor

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Lebia cruxminor
© Roy Anderson
Lebia cruxminor
W. W. Fowler
Lebia cruxminor
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(Maps updated 30th November 2009)

Lebia cruxminor (Linnaeus, 1758)

Description: A colourful 6-7mm long yellow ground beetle with prominent black cross marking on the wing cases. Grassland species, though mostly in grasslands within woodland. Larvae are parasitic on the larvae or pupae of the leaf beetle Galeruca tanaceti, itself a rather uncommon species. Scattered and very rare.

World Distribution: A Eurasian Wide-temperate species (65), widespread in Europe south to north Africa and Asia Minor, and eastwards to Siberia and Japan.

Irish Status: Very local and rare. Swept from a marshy meadow at Derrymacrow near Crom Castle, Fermanagh, in June 1992. Otherwise known from Muckross, Killarney (Bullock, 1914) and the Clare shore of Lough Derg (MacKechnie Jarvis, 1971). In Britain, it is restricted to a few sites in the extreme south of England.

Ecology: Parasitic on the leaf beetle Galeruca tanaceti (L.). Usually taken by sweeping marshy meadows or well-vegetated lakeshores at dusk.