Holcus species are used as food plants by the larvae of some Lepidoptera species including Coleophora lixella.
Holcus |
Holcus lanatus in its natural habitat is a food source for butterflies such as the Speckled Wood, the Wall, and especially the Small Skipper.
O. viridulus feeds on grass from the genera Dactylis, Agrostis, Anthoxanthum, Lolium and Holcus.