Erebia christi Rätzer, 1890


Erebia christi: Female (Switzerland, Simplon southern side, early July 2019) [N] Erebia christi: Female (Switzerland, Simplon southern side, early July 2019) [N] Erebia christi: Female (Switzerland, Simplon southern side, early July 2019) [N] Erebia christi: Female (Switzerland, Simplon southern side, early July 2019) [N] Erebia christi: Female (Switzerland, Simplon southern side, early July 2019) [N] Erebia christi: Female (Switzerland, Simplon southern side, early July 2019) [N] Erebia christi: Female (Switzerland, Simplon southern side, early July 2019) [N] Erebia christi: Female (Switzerland, Simplon southern side, early July 2019) [N] Erebia christi: Female (Switzerland, Simplon southern side, early July 2019) [N] Erebia christi: Female (Switzerland, Simplon southern side, early July 2019) [N] Erebia christi: Habitat (Switzerland, Simplon southern side, early July 2019) [N] Erebia christi: Habitat (Switzerland, Simplon southern side, early July 2019) [N] Erebia christi: Habitat (Switzerland, Simplon southern side, early July 2019) [N] Erebia christi: Habitat (Switzerland, Simplon southern side, early July 2019) [N] Erebia christi: Habitat (Switzerland, Simplon southern side, early July 2019) [N] Erebia christi: Habitat (Switzerland, Simplon southern side, early July 2019) [N] Erebia christi: Especially females often visit Thymus on the foot oft the cliffs (Switzerland, Simplon southern side, early July 2019) [N]

Host plants:
Festuca grasses (F. ovina agg.)

Habitat:
Erebia christi inhabits dry, sunny, steep, rocky slopes between about 1350 and 2100m that are most often interspersed with a few Larix trees.

Life cycle:
The butterflies occur mostly between late June and mid-July. In uneven years population density is said to be higher. the larvae develop in the Festuca tussocks on rock and hibernate twice. A common nectar plant is Thymus.

Endangerment factors:
Loss of habitat and global warming

Remarks:
Erebia christi is endemic to the southern side of Simplon pass and known only from a few sites in Switzerland and adjacing Italy.

Hints on determination:
The uppermost redbrown spot on forewing upperside bears usually a black spot. This is very unusual in similar species.



Erebia aethiopellus | Erebia aethiops | Erebia alberganus | Erebia bubastis | Erebia calcaria | Erebia cassioides | Erebia claudina | Erebia disa | Erebia embla | Erebia epiphron | Erebia epistygne | Erebia eriphyle | Erebia euryale | Erebia flavofasciata | Erebia gorge | Erebia lefebvrei | Erebia ligea | Erebia manto | Erebia medusa | Erebia melampus | Erebia melas | Erebia meolans | Erebia mnestra | Erebia montana | Erebia neoridas | Erebia nivalis | Erebia oeme | Erebia orientalis | Erebia ottomana | Erebia palarica | Erebia pandrose | Erebia pharte | Erebia pluto | Erebia pronoe | Erebia rhodopensis | Erebia rondoui | Erebia scipio | Erebia sthennyo | Erebia stirius | Erebia styx | Erebia sudetica | Erebia triaria | Erebia tyndarus | Erebia zapateri