Moths & butterflies known to feed on western hemlock (Tsuga heterophylla):
| Species | Status | Match |
|---|---|---|
| Satin beauty Deileptenia ribeata |
LC | this species |
| Dwarf pug Eupithecia tantillaria |
LC | this species |
| Barred red Hylaea fasciaria |
LC | this species |
| Tawny-barred angle Macaria liturata |
LC | this species |
| Spruce carpet Thera britannica |
LC | this species |
| Grey pine carpet Thera obeliscata |
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.