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Mordellidae

Tumbling flower beetles

COLEOPTERA > POLYPHAGA > TENEBRIONOIDEA > Mordellidae

So called because of their habit of tumbling from flowers when they feel threatened, Mordellid beetles are readily distinguished by their oval-elongate form with a projecting abdominal apex (pygidium) reminiscent of a sting. The hind legs are adapted and the head noticeably large.

There are 17 species on the British List, which vary in size, colour and form.

Variimorda villosa is a widespread, but localised southern species that can be found during the summer months feeding on flowers, particularly umbellifers or those from the daisy family. Despite being widespread I believe that they are uncommon, which seems to be supported by the lack of further information.

The only other species I've encountered so far is Mordellochroa abdominalis, which tumbled off the flower head as soon as it sensed my presence. Fortunately, there was just enough time for a quick 'record shot'. They are again regarded as being widespread, but localised, across the south, but are more common than Variimorda villosa. Typical habitats for the species include woodland borders and hedgerows, or any area really where there are suitable flowers. Adults appear in May and persist through to July and August. Early in the season they are more likely to be found feeding on blossom, mainly hawthorn, later moving to umbellifers such as cow parsley, wild parsnip and hogweeds.



Updated, Jan.25 (v.3)

Variimorda villosa

Garston Wood, Cranborne Chase, East Dorset | Aug.21

Variimorda villosa

Garston Wood, Cranborne Chase, East Dorset | Aug.21

Variimorda villosa

Kitt's Grave (woodland), East Dorset | July 22

Mordellochroa abdominalis

Cashmoor Down, East Dorset | June 21

Variimorda villosa

Garston Wood, Cranborne Chase, East Dorset | Aug.21

Variimorda villosa

Kitt's Grave (woodland), East Dorset | July 22

Variimorda villosa

Garston Wood, Cranborne Chase, East Dorset | June 24

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