Moths & butterflies known to feed on smooth hawk's beard (Crepis capillaris):
| Species | Status | Match |
|---|---|---|
| Grey pug Eupithecia subfuscata |
Near Threatened | any Crepis species |
| Broad-barred white Hecatera bicolorata |
Near Threatened | this species |
| The shark Cucullia umbratica |
LC | any Crepis species |
| Shaded pug Eupithecia subumbrata |
LC | any Crepis species |
| The shears Hada plebeja |
LC | this species |
| Small ranunculus Hecatera dysodea |
LC | this species |
| Bordered straw Heliothis peltigera |
Not assessed | any Crepis species |
| Marbled clover Heliothis viriplaca |
LC | this species |
Host-plant data: Cook et al. (2025), Traits data for the butterflies and macro-moths of Great Britain and Ireland, 2024, UK Centre for Ecology & Hydrology / Butterfly Conservation; and Padovani et al. (2020), Database of Insects and their Food Plants (DBIF), UK Centre for Ecology & Hydrology (both Open Government Licence). Contains data supplied by UK Centre for Ecology & Hydrology.