Moths & butterflies known to feed on square St John's-wort (Hypericum tetrapterum):
| Species | Status | Match |
|---|---|---|
| Satyr pug Eupithecia satyrata |
Vulnerable | any Hypericum species |
| Lesser treble-bar Aplocera efformata |
LC | any Hypericum species |
| Treble-bar aplocera Aplocera plagiata |
LC | any Hypericum species |
| No common name Chrysolina hyperici |
LC | this species |
| Shaded pug Eupithecia subumbrata |
LC | any Hypericum species |
| Powdered quaker Orthosia gracilis |
LC | any Hypericum 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.