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Species account
Bølleblåfugl
(Agriades optilete)
Knoch (1781)
Blåfugle (Lycaenidae) [Sommerfugle] CRBL 24865
Blåfugle (Lycaenidae) [Sommerfugle] CRBL 24865
Cranberry Blue (gb)
Violett Blåvinge (se)
Synonyms (scientific):
Vacciniina optilete
Plebejus optilete
Plebejus optilete
Measurements:
WS: 28-30mm
Generations:
1
Flight period:
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Identification:
The male above is dark violet-blue with a clear white edge and narrow black rim. The female is basically brown above but with a varying degree of blue spread out from the center of the animal. Below they are both gray-beige with well-defined black spots encircled by white (more or less same size on fore- and hindwing). Characteristic for the species is 1-3 orange spots near the anal angle distally attached to a black eyespot filled with a iridescent blue.
Similar species:
Life stages:
Distribution:
C Alps, NE Europe, Macedonia, Japan and N America.
Habitat:
Moors and bogs and in N Sweden also clearings in mountain forests with plenty of lingonberry.
Behavior:
Often appears several kilometers away from bog habitat. Often rests in top of small birches or host plants, incl Kragefod (Comarum palustre) [Purple Marshlocks ~ Kråkklöver]. Females are exposed to web-trapping when laying eggs in the dense vegetation.
Host plants:
Tranebær (Vaccinium oxycoccos) [Cranberry ~ Arándano Agrio ~ Tranbär]
Mose-Bølle (Vaccinium uliginosum) [Bog Blueberry ~ Arándano Negro ~ Odon]
Rosmarinlyng (Andromeda polifolia) [Bog-Rosemary ~ Rosling]
Tyttebær (Vaccinium vitis-idaea) [Lingonberry ~ Árandano Rojo ~ Lingon]
Klokkelyng (Erica tetralix) [Cross-leaved Heath ~ Brezo de Turbera ~ Klockljung]
Revling (Empetrum nigrum) [Crowberry ~ Camarina Negra ~ Kråkbär]
Mose-Bølle (Vaccinium uliginosum) [Bog Blueberry ~ Arándano Negro ~ Odon]
Rosmarinlyng (Andromeda polifolia) [Bog-Rosemary ~ Rosling]
Tyttebær (Vaccinium vitis-idaea) [Lingonberry ~ Árandano Rojo ~ Lingon]
Klokkelyng (Erica tetralix) [Cross-leaved Heath ~ Brezo de Turbera ~ Klockljung]
Revling (Empetrum nigrum) [Crowberry ~ Camarina Negra ~ Kråkbär]
Feeding plants:
Kragefod (Comarum palustre) [Purple Marshlocks ~ Kråkklöver]
Endemic:
Status
Declining in Denmark. Now only present in C and N Jylland and a few locations east of Storebælt. Widespread and common in rest of Nordic region.
Comment:
In Holmegaards Mose, Sjælland it flies in close proximity to idas (Foranderlig Blåfugl).
|
986
(2 photos)
2022-06-25 Holmegaards Mose, Denmark Imago This damaged animal was found on more dry ground, a good part away from the main spot. |
|
987
(2 photos)
2022-06-25 Holmegaards Mose, Denmark Imago At the edge of the boardwalk going through the main area for the species. |
|
993
(2 photos)
2022-06-25 Holmegaards Mose, Denmark Imago Enjoys the wet habitat with cranberry and heather. |
|
988
(3 photos BOTH SIDES)
2022-06-25 Holmegaards Mose, Denmark Imago Han A faded male. |
|
989
(1 photos)
2022-06-25 Holmegaards Mose, Denmark Imago Han |
|
990
(1 photos)
2022-06-25 Holmegaards Mose, Denmark Imago Han |
|
985
(2 photos BOTH SIDES)
2022-06-25 Holmegaards Mose, Denmark Imago Hun |
|
991
(2 photos BOTH SIDES)
2022-06-25 Holmegaards Mose, Denmark Imago Hun Strangely fade above and fresh looking below. |
|
992
(1 photos)
2022-06-25 Holmegaards Mose, Denmark Imago Hun |