Polyommatus icarus
         
Common Blue  
L'argus bleu  
           
 
 
   
1] male of Polyommatus icarus - Doubs (France) - 11/09/2008   2] same specimen as 1]  
       
       
   
3] other male - Doubs (France) - 11/09/2008   4] male - Haute Saône (France) - 14/05/2009  
       
       
   
5] male - Aveyron (France) - 13/07/2018   6] male - Corrèze (France) - 19/07/2009  
       
       
   
7] male - Doubs (France) - 30/05/2008   8] male - Hautes Alpes (France) - 18/08/2016  
       
       
   
9] male - Doubs (France) - 26/08/2008   10] male - Haute Loire (France) - 26/07/2009  
       
       
   
11] male - Doubs (France) - 10/09/2008   12] same specimen as 11]  
       
       
   
13] male - Doubs (France) - 22/08/2009   14] male - Corse du sud (France) - 17/06/2014  
       
       
   
15] male - Alpes de Haute Provence (France) - 26/07/2010
 
  16] male of form icarinus alt.2220m - Alpes de Haute Provence (France) - 15/08/2014  
       
       
   
17] same specimen as 16]



 
  18] same specimen as 16] ; the cell spot is missing and the s1/s2 pair of spots is not perpendicular to the brim of the wing (arrow). These two criterions are distinctive of the form icarinus, as the s1/s2 pair of spots is perpendicular to the brim of the wing in Polyommatus thersites which also lacks the cell spot  
       
       
   
19]  male of form icarinus , with no cell spot and the s1/s2 pair being not perpendicular to the brim of the wing  -  Var (France)  -  07/05/2017   20] same specimen as 19]

 
 
       
       
   
21] female of Polyommatus icarus, with slight blue scaling alt.547m - Ariège (France) - 25/06/2021   22] same specimen as 21], laying on Trifolium sp.
 
 
       
       
   
23] female with an amazing underside tint alt.720m - Aveyron (France) - 15/08/2020  
24] female with slight blue scaling - Var (France) - 10/05/2014
 
 
       
       
   
25] female with no blue scaling on the upperside- Doubs (France) - 10/09/2008   26] same specimen as 25]
 
 
       
       
   
27] other female  - Doubs (France) - 10/09/2008   28] female - Haute Garonne (France) - 13/05/2021  
       
       
   
29] other female - Doubs (France) - 10/09/2008   30] same specimen as 29]  
       
       
   
31] unusual female whose spot S1 is displaced to base of the forewing, which changes the usual S1-S2 direction - Haute Garonne (France) - 28/05/2021   32]  same specimen as 31] showing its beautiful extensive blue scaling
 
 
       
       
   
33] female with blue scaling alt.1000m - Alpes de Haute Provence (France) - 17/08/2014   34] same specimen as 34]
 
 
       
       
   
35] female with extensive blue scaling - Haute Saône (France) - 10/05/2009   36] same specimen as 35] laying on Trifolium campestre in a meadow  
       
       
   
37] same specimen as 35]   38] blue female - Var (France) - 18/05/2011  
       
       
   
39] blue female - Var (France) - 18/04/2015   40] same specimen as 39]  
       
       
   
41] blue female - Haute Saône (France) - 07/09/2008
 
  42] female with extensive blue scaling - Var (France) - 30/04/2015
 
 
       
       
   
43] exceptional sighting of a bi-lateral gynandromorphic specimen. Such a specimen contains one side with male characteristics and the other side with female characteristics. This kind of genetic abnormality occurs during the first cell dividings of the embryo. The male part of this insect is slightly larger than the female part - Var (France) - 30/04/2015   44] same specimen as 43] showing the underside of its female part which looks brownish. Unfortunately, the other underside could not be seen but it would have revealed the typical tint of the underside of a male, i.e. a greyish colour.

 
 
       
       
   
45] female laying on Medicago lupulina  -  Ain (France)  -  28/05/2018   46] close-up of the egg laid by the female from picture 45]
 
 
       
       
   
47] female laying on Ononis spinosa - Pyrénées orientales (France) - 25/07/2020   48] close-up of the egg laid by the female from picture 47]
 
 
       
       
   
49] egg on Lotus sp. - Doubs (France) - 29/08/2009   50] egg on Trifolium sp. - Haute Saône (France) - 24/08/2008  
       
       
   
51] mating pair (female on the left) - Alpes maritimes (France) - 14/07/2011   52] mating pair (female on the right) - Haute Saône (France) - 21/05/2010  
       
       
   
53] end of courting, just at the beginning of the copulation - Doubs (France) - 10/09/2008   54] same scene as 53]
 
 
       
       
   
55] male attempting to mate after a short courtship - Var (France) - 10/04/2015   56] same scene as 55]
 
 
       
       
   
57] same scene as 55] which resulted in a successful mating
 
  58] mating pair alt.920m - Alpes maritimes (France) - 17/08/2013
 
 
       
       
   
59] newly-hatched caterpillar feeding on Trifolium pratense - Haute Garonne (France) - 13/06/2021   60] same caterpillar as 59], on the 24th of June, 2021
 
 
       
       
   
61] same caterpillar as 59] eating, on the 24th of June, 2021
 
  62] same caterpillar as 59] eating, on the 24th of June, 2021
 
 
       
       
   
63] same caterpillar as 59], on the 24th of June, 2021
 
  64] chrysalis which originated from the caterpillar shown in 63] - Haute Garonne (France) -  15/07/2021  
       
       
   
65] same chrysalis as 64]
 
  66] same chrysalis as 64] which finally gave rise to a female on the 19th of July, 2021.  
       
       
       
Description :  
     
Flight period :  
       
       
Habitat :  
       
       
 
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