I had to look carefuly to see that shy green carpet (Colostygia pectinataria)
on the wall of the house.
It is a moth in the family Geometridae,
a very large family, with around 23,000 species described. Their
scientific name derives from the Ancient Greek geo γη or γαια 'the earth'
and metron μέτρων 'measure' in reference to the way their larvae,
or inchworms, appear to "measure the earth" as they move along
in a looping fashion.
The antennae of the males are combed, those of females
are simple.
Bogs, forests, bushy forest edges and damp heath areas
are their preferred areas. Even if they are more active at night, the adult can
be seen during the day from April to June and then from August to September for
the second generation.
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