Viper's Bugloss Hadena irregularis - Distribution map

Please note that the NBN Gateway map service has been terminated as of 1 April 2017.

As soon as a replacement map service is available, distribution maps will hopefully appear here again.

In the meantime, you can get some idea of distribution from the NBN Atlas website.

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73.287 BF2168

Viper's Bugloss Hadena irregularis

(Hufnagel, 1766)

Wingspan 32-36 mm.

Widespread in East Anglia and the London area until the 1960's when it became extinct, the last record being in 1969.

The flight period was June and July, and the habitat preference that of the Breckland district.

Despite the English name, the only foodplant in Britain is the rare and localised Spanish catch-fly (Silene otites), the scarcity of which has undoubtedly contributed to the moth's demise.
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