Moths & butterflies known to feed on jointed rush (Juncus articulatus):

Species Status Match
No common name
Aphanisticus emarginatus
Critically Endangered (possibly extinct) this species
Large heath
Coenonympha tullia
Vulnerable this species
Antler moth
Cerapteryx graminis
LC this species
Small rufous
Coenobia rufa
LC this species
Gold spot
Plusia festucae
LC any Juncus 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.