Orocrambus cyclopicus is a moth in the family Crambidae. It was described by Edward Meyrick in 1883. In 1975 David E. Gaskin wrongly synonymised Crambus sophistes with Orocrambus cyclopicus.
Arrhenatherum elatius is a species of flowering plant in the grass family Poaceae, commonly known as false oat-grass, and also bulbous oat grass, tall oat-grass, tall meadow oat, onion couch and tuber
Orocrambus cyclopicus
…The wingspan is 22–30 mm. Adults have been recorded on wing from January to May. The larvae feed on Bromus hordeaceus and Arrhenatherum elatius…