Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Cauchas rufimitrella is a diurnal lepidopteran from the family Adelidae, the fairy long horn moths. The wingspan of the moth ranges from 10 to 12 millimeters. The wings are metallic red-purple. This is a common moth in the Netherlands. Caterpillars live on the seeds of Cardamine pratensis and then they pupate over the winter. Flight time is May to June. Lepidoptera (play / l p d pt r / le-pi-dop-t -r ) is a large order of insects that includes moths and butterflies (called lepidopterans). It is one of the most widespread and widely recognizable insect orders in the world.