
Garden Grass-veneer in habitat, Heesch, Netherlands
Very close to my home is a field of Calluna vulgaris that turns into a purple sea during the right time of year, example from 6 years ago:
I regularly cross this field and with each step, it disturbs a few grass moths like these. I then watch where they flee to and if its in a good position, I go for the slow approach. Same individual:

The Garden Grass-veneer is a species of moth of the family Crambidae. It is found in Europe. The wingspan is 18-24 mm. The moth flies from June to July depending on the location. The larvae feed on various grasses.
Similar species: Moths And Butterflies
By Ferdy Christant
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Uploaded Aug 4, 2018. Captured Jun 9, 2018 20:43.