Main: (Pterophoridae / Pterophorinae)
45.032 [B&F: 1511] Western Thyme Plume (Merrifieldia tridactyla) (Linnaeus, 1758)

 

Notes: Endangered (proposed as a future Red Data Book species) on chalk downland in parts of south-western England and on the Burren. Not recorded in Hampshire or on the Isle of Wight to date. Wingspan 18-23 mm. Thoroughly confused in the past with M. leucodactyla from which separated only by microscopic examination of the antennae. Larva feeds on Wild Thyme.

Flightime guide
JFM AMJ JAS OND

Distribution Map

Historical distribution at tetrad resolution
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Record Density

As above but the larger the symbol, the greater the number of records
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