Dark Green Fritillary (Argynnis aglaja)

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2024 photographs highlighted in yellow. Click on any photograph to go to an enlarged picture, or simply scroll down the page.

18040_male_Isère_11Jul09 26482_male_Alpes-Maritimes_07Jul11 44156_male_Hautes-Pyrénées_11Jul17 49627_male_Savoie_5Jul22
7827_male?_Hautes-Alpes_3Jul07 53011_male_Hautes-Alpes_13Jul24 44579_female_Alpes-Maritimes_18Jul17 27084_female_Hautes-Alpes_14Jul11
22597_female_Isère_18Jul10 05_19-07_female_Hants, UK_3Jul05 18301_male_Isère_13Jul09 33160_male_Alpes-de-Haute-Provence_30Jun13
   
30842_male_Isère_9Jul12 48356_male_Pyrénées-Orientales_12Jul21    

Reasonably common across France, and commonly found at altitude, often in good numbers. The upperside can be differentiated from the High Brown Fritillary (A. adippe) by the indicators described on the adippe page.

 

The upperside can be differentiated from the Niobe Fritillary (A. niobe) by the rather heavier submarginal marks on both upf and unh of aglaja compared to niobe.

The undersides of each of the three species are quite different and easily distinguishable.

 

In some textbooks aglaja is spelt aglaia.

 

In 2019 this species was reclassified as Speyeria aglaja. I'll give it a few years before changing the web page (and all the occurrences and links associated) as it is entirely possible that the taxonomists will change it again. Also Argynnis aglaja is in common use and often used in web searches, etc.

ref sex

observations

alt. m
18040 M

a male puddling, the forewings held back in a pose that seems normal for aglaja when puddling. The orange seems rather dull compared to others on this page, but it is not clear whether this is natural or just the result of wear.

1120
26482 M a very fresh male. 1400
44156 M a male puddling, almost completely fresh and a beautiful deep orange colour, even with orange-ish fringes. 1600
49627 M a very fresh male, with fringes completely intact. 1930
7827 M

a male, based on the lighter markings, the albeit quite light sex brands on v2 and v3, and the just-visible body. Not 100% certain, though.

2100
53011 M a male with an area of scales missing from each forewing tip. I don't know the reason for this but it is unlikely to be damage incurred in flight. I suspect it is because the scales in these regions did not detach from the chrysalis on emergence. It looks too "clean" to be anything else. The same thing is apparent on 44451 on the niobe page. 1380
44579 F a female, slightly unusual in that the upf post-discal spots are rather heavy. 1550
27084 F a female, slightly suffused. 2020
22597 F

a female as indicated by the heavier markings and confirmed by the absence of sex brands.

1120
05_19-07 F

an old photograph of a very heavily marked and suffused female. It actually looked like this in real life. I have seen females like this on a few subsequent occasions.

 
18301 M a male puddling. 1120
33160 M a male, probably immediately after emergence. It is unusual in that much of the area surrounding the silver marks is brown rather than green, although it is rather greener in the lower regions of the hindwing. 1100
30842 M a male puddling. 1240
48356 M a male, apparently freshly emerged but with slight damage to the wing-tip. 1820

 

18040_male_Isère_11Jul09

 

26482_male_Alpes-Maritimes_07Jul11

 

44156_male_Hautes-Pyrénées_11Jul17

 

49627_male_Savoie_5Jul22

 

7827_male?_Hautes-Alpes_3Jul07

 

53011_male_Hautes-Alpes_13Jul24

 

44579_female_Alpes-Maritimes_18Jul17

 

27084_female_Hautes-Alpes_14Jul11

 

22597_female_Isère_18Jul10

 

33160_male_Alpes-de-Haute-Provence_30Jun13

 

18301_male_Isère_13Jul09

 

30842_male_Isère_9Jul12

 

48356_male_Pyrénées-Orientales_12Jul21