Coenonympha glycerion (Borkhausen, 1788)


Coenonympha glycerion: Adult (eastern Swabian Alb, Southern Germany, July 2010) [N] Coenonympha glycerion: Adult (eastern Swabian Alb, Southern Germany, July 2010) [N] Coenonympha glycerion: Male (eastern Swabian Alb, Southern Germany) [N] Coenonympha glycerion: Adult (eastern Swabian Alb, Southern Germany) [N] Coenonympha glycerion: Adult (eastern Swabian Alb, Southern Germany) [N] Coenonympha glycerion: Adult (eastern Swabian Alb, Heidenheim/Brenz, July 2013) [N] Coenonympha glycerion: Lower side [N] Coenonympha glycerion: Lower side [N] Coenonympha glycerion: Adult (Lech near Augsburg) [N] Coenonympha glycerion: Female (ssp. iphioides), Spanish west Pyrenees, Aisa, July 2010 [N] Coenonympha glycerion: Adult (e.o. Aisa, Spanish west Pyrenees 2010) [S] Coenonympha glycerion: Ovum (ssp. iphioides) [S] Coenonympha glycerion: Ovum (ssp. iphioides) [S] Coenonympha glycerion: L1 (ssp. iphioides) [S] Coenonympha glycerion: Larva in penultimate instar (eastern Swabian Alb, Southern Germany, May 2010) [M] Coenonympha glycerion: Larva after the last moult (eastern Swabian Alb, Southern Germany) [S] Coenonympha glycerion: Larva (e.l. eastern Swabian Alb, Southern Germany) [S] Coenonympha glycerion: Larva (eastern Swabian Alb, Southern Germany) [S] Coenonympha glycerion: Larva (eastern Swabian Alb, Southern Germany) [S] Coenonympha glycerion: Larva [M] Coenonympha glycerion: Larva [N] Coenonympha glycerion: Larva (ssp. iphioides, e.o. Aisa 2010) [S] Coenonympha glycerion: Larva (ssp. iphioides, e.o. Aisa 2010) [S] Coenonympha glycerion: Larva (ssp. iphioides, e.o. Aisa 2010) [S] Coenonympha glycerion: Pupa (e.l. eastern Swabian Alb, Southern Germany) [S] Coenonympha glycerion: Pupa [S] Coenonympha glycerion: Pupa (ssp. iphioides, e.o. Aisa 2010) [S] Coenonympha glycerion: Pupa prior to emergence (ssp. iphioides, e.o. Aisa 2010) [S] Coenonympha glycerion: Habitat: limestone grassland on the eastern Swabian Alb, Southern Germany [N]

Host plants:
The larva feeds on like Bromus erectus or Festuca ovina.

Habitat:
Coenonympha glycerion colonizes juniper heathland, limestone grasslands, dry and nutrient-poor clearings in floodplain woodlands and alternating dry and wet fen meadows etc. This species can cope with different conditions in calcareous grasslands, including grazing, mowing in autumn andlonger fallow periods.

Life cycle:
Coenonympha glycerion hibernates as a caterpillar. This is observed occasionally during the day on blades of grass close to the ground from April to early/mid-June. The adults fly from June to early August.

Endangerment: endangered

Endangerment factors:
The threat situation is uneven depending on the condition and share of the extensive, rather dry grasslands in the landscape. In the Swabian Jura Coenonympha glycerion is still common in almost all limestone grasslands. In the foothills of the Alps, however, there is a strong decline. In the Iller valley for example it is known only in very low numbers from one final site near Memmingen.

Remarks:
The distribution stretches from Europe to Asia (Mongolia).



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