Large Ringlet (erebia euryale)

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2008 photos highlighted green. Click on any photo to go to an enlarged picture, or simply scroll down the page.

13051_male_Valais, Switzerland_17Jul08 - form adyte 8175_male_Vaud, Switzerland_19Jul07 - form adyte 13317_male_Valais, Switzerland_20Jul08 - form adyte
 
04_781-33_female_Hautes Alpes_31Jul04 - form adyte 13311_pair_Valais, Switzerland_20Jul08 - form adyte  

This quite superficially similar to, but smaller than, the Arran Brown (E. ligea) - see the ligea page for a comparison of features. The ocelli are either very small, usually blind, or even just pin-pricks, in the nominate form, but in the form adyte the ocelli can be quite well developed, especially in the female. T&L records adyte occurring in southern Switzerland although I feel that I encounter this form in the French Alps rather than the nominate form.

 

13051: a typical male of the form adyte. The pupilled ocelli,

8175: I believe this to be a male of the form adyte, despite the ocelli being almost blind (i.e. no white centres). The length and shape of the red upf post-discal band and the slight constriction at s3 all indicate adyte. The absence of a marked constriction in the upf post-discal band and the large ocelli suggest female, but as it appears to be taking salts, I feel it would have to be a male. Altitude 1550m.

13317: a male, with virtually no white unh markings, and with a barely-discernible discal line and very little colour contrast.

04_781-33: a female, showing the strongly dentate (tooth-shaped) white unh post-discal mark. One ocellus just about visible in s2.

13311: a mating pair, female above, quite dark but showing the classic euryale dentate markings but with no ocelli. The male unh is almost unmarked.

 

13051_male_Valais, Switzerland_17Jul08

 

8175_male_Vaud, Switzerland_19Jul07

 

13317_male_Valais, Switzerland_20Jul08

 

13311_pair_Valais, Switzerland_20Jul08