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  1. Galleries
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  3. Macro and Flora
  4. » Colias crocea

 
Colias crocea...

Pieridae2

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Colias crocea sent on June 05, 2015 (11:19) by Raffaella Coreggioli. 18 comments, 937 views.

, 1/10 f/14.0, ISO 100, tripod. Specie: Colias crocea

Colias crocea (Fourcroy, Geoffroy 1785) Dimensioni Lunghezza ala anteriore mm. 23-27 Apertura alare: 46 - 54 mm Descrizione della specie: Queste farfalle hanno come colore dominante il giallo, arricchito da sfumature aranciate, più tenue per la femmina, più intense per il maschio. Si osserva ancora, nel maschio, un bordo nero nella parte terminale delle ali anteriori che continua anche nelle posteriori. Nella femmina al posto di questo bordo nero vi è una serie di piccole macchie scure disposte in fila in maniera crescente dal basso verso l'alto. In entrambi gli esemplari presentano un margine intero e convesso con due venature anali nelle ali posteriori. Si può confondere con C. alfacariensis e C. hyale, che però hanno meno nero nel bordo esterno delle psap. La femmina può essere della forma helice Hubner, con colore giallastro chiaro sulle ps anziché arancio. La parte inferiore delle ali anteriori ha macchie postdiscali scure ed aree discali e basali giallastre, mentre, sempre inferiormente, le ali posteriori hanno colore di fondo giallo-citrino con una macchia discoidale bianca contornata di rossiccio ed una serie di punti scuri nella regione postdiscale. Possono dare origine a ibridi nei luoghi dove C. erate è presente. Dimorfismo sessuale: la parte superiore presenta l'apice nero delle ali anteriori delle femmine chiazzato di giallo, mentre nei maschi l'apice è nero uniforme. Le femmine nel 5% dei casi assumono una colorazione di fondo biancastra (forma ?helice', gene legato al sesso). Maschio: colore arancio con ampia fascia submarginale nera attraversata da esili strie nervulari gialle. Sfumatura basale nerastra e macchia nera disco cellulare nelle anteriori. Posteriori ampiamente velate di nerastro dal quale emerge una macchia disco cellulare arancio vivo. Femmina: simile al maschio ma presenti alcuni spazi gialli nella fascia submarginale. Velatura nerastra delle posteriori più estesa. Nelle femmine è frequente la forma "helice" a fondo bianco giallognolo. Stadi giovanili: le uova vengono deposte sulla parte superiore delle foglie della pianta nutrice. Il bruco è colore verde scuro con una fascia subdorsale e una laterale di colore giallo affiancate da grosse macchie nere.. Sverna allo stadio di bruco. In primavera avviene la metamorfosi in crisalide, appuntita all'estremità cefalica. Piante nutrici del bruco: Fabaceae (Coronilla spp., Lotus spp., Vicia spp., Trifolium spp., Medicago spp., Melilotus spp.). Distribuzione e habitat: paleartica: diffusa in Europa centro-meridionale, Nordafrica ed Asia minore, è una specie migrante. Specie non minacciata. specie euricora e migratrice, si rinviene in ambienti aperti dal piano basale a quello montano e cacuminale fino a oltre 2000 metri s.l.m. Periodo di attività: sfarfallamento: da maggio a ottobre con più generazioni annuali. Migrante.



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avatarsenior
sent on June 05, 2015 (12:01) | This comment has been automatically translated (show/hide original)

How wonderful background that blends with the subject
Hello
Max

user51141
avatar
sent on June 05, 2015 (12:41) | This comment has been automatically translated (show/hide original)

All your beautiful butterflies: background delicate and great detail on the subject.
I like it and find it very useful to the description of the subject: good.
A greeting.

CM

avatarsupporter
sent on June 05, 2015 (13:46) | This comment has been automatically translated (show/hide original)

Excellent pastel colors, beautiful and very interesting descriptions, hello

avatarsenior
sent on June 05, 2015 (19:38) | This comment has been automatically translated (show/hide original)

Spectacular ... I like ... congratulations .... wow! Wow! Wow!

avatarsupporter
sent on June 06, 2015 (11:52) | This comment has been automatically translated (show/hide original)

Thanks
Max
CM
Woman
Gaetano
happy of your liking :-)
a greeting and good weekend
Raffaella

avatarsenior
sent on June 26, 2015 (21:07) | This comment has been automatically translated (show/hide original)

ITA, high-resolution detail is spectacular,
six very good shots always gives us very beautiful,
I make so many compliments, hello Tex

avatarsupporter
sent on June 27, 2015 (7:45) | This comment has been automatically translated (show/hide original)

Thanks Tex, you are very kind :)
Good weekend and good light
Raffaella

avatarsenior
sent on June 27, 2015 (8:29) | This comment has been automatically translated (show/hide original)

Beautiful, the colors that run between subject and background are really beautiful. Congratulations!

avatarjunior
sent on June 27, 2015 (10:04) | This comment has been automatically translated (show/hide original)

The wonderful photos and useful description!

avatarsenior
sent on June 27, 2015 (14:15) | This comment has been automatically translated (show/hide original)

Wonderful !! wow!

avatarsenior
sent on June 27, 2015 (14:49) | This comment has been automatically translated (show/hide original)

Beautiful composition, and delicate attention to detail, but the thing that always surprises me and 'the ability' seeking out the subjects and put them on the perches ............... least unusual. Very Good!

avatarsenior
sent on June 27, 2015 (21:53) | This comment has been automatically translated (show/hide original)


Beautiful and rich in detail,
gandy compliments

avatarsupporter
sent on June 27, 2015 (22:05) | This comment has been automatically translated (show/hide original)

Very detailed and beautifully colored.

Greetings ale

avatarsenior
sent on June 27, 2015 (22:18) | This comment has been automatically translated (show/hide original)

The colors are a marvel. Also excellent detail and composition.
Very Good.
Hello

avatarsupporter
sent on June 28, 2015 (8:04) | This comment has been automatically translated (show/hide original)

Thank you all for your kind visit and the nice comment :-)

Rino, Most of the time if they choose their perches, in this case changed Did I plant with a half-dry that I had in the meadow, shrunken heads they are everywhere: -D had seemed stable enough to keep her in her ease.
I want to reiterate once again that I do not touch the actors to change their roost, I put in front of him and if they like us climb yourself or otherwise take another or even in some cases let it be, first of all for me is the respect for people who go to photograph then is photography, I wanted to say :)

Thanks again to everyone and happy Sunday

Raffaella

avatarsenior
sent on June 28, 2015 (13:38) | This comment has been automatically translated (show/hide original)

A wonder to be savored, good colors

Vale

avatarsupporter
sent on June 28, 2015 (16:44) | This comment has been automatically translated (show/hide original)

I thank Valerio, happy your liking :)
Hello
Raffaella

avatarsupporter
sent on July 30, 2016 (9:19)

What a beautiful image, the colours of this butterfly can be found again in the background.You used the optimal diaphragm
Fantastic


RCE Foto

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