Copyright: Per Hoffmann Olsen

Plebejus cf. argus (Linnaeus, 1758)

Plebejus cf. argus

Flight-period Central Europe: from Mid May to Mid September

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Imago

Conservation Status in Austria: Near Threatened (NT)

  NE DD LC NT VU EN CR RE EX
Austria
Vienna - Austria

 

  • English: Silver-studded Blue
  • German/Austrian: Argus-Bläuling
  • Danish: Argusblåfugl
  • Image: 1920x1080
  • Location: Austria, Niederösterreich, Oberweiden
  • Date: 01/06/2017
  • Copyright: Per Hoffmann Olsen
  • Camera: Canon EOS 50D
  • Lens: Sigma 150mm APO Macro

 

To determine the P. argus from the two other Plebejus species in Lower Austria you need to look at the fore-tibia of the Male species. If it has a spine it's P. argus.
 
If it hasn't a spine, it could be either P. idas or the P. argyrognomon, which only can be determined using genitalia preparation of the Male.
 
This is a female, so it could be any of the 3 species. 
 
Females of the P. idas and P. argyrognomon often has a clear sprinkel of blue on the upperside wings.

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