Colias crocea | JuzaPhoto

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Macro and Flora

2.7 MEGAPIXEL

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Colias crocea sent on May 12, 2024 (22:21) by Raffaella Coreggioli. 18 comments, 513 views.

, 1/6 f/13.0, 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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Nicola De Crecchio

sent on May 12, 2024 (22:28) | This comment has been automatically translated (show/hide original)

A wonderful dreamy atmosphere for this Colias now a little worn out by time but which still makes a good show of itself.

Raffaella Coreggioli

sent on May 12, 2024 (22:36) | This comment has been automatically translated (show/hide original)

“ A wonderful dreamy atmosphere for this Colias now a little worn out by time but which still makes a good show of itself. „

Thank you Nicola :-)
Good evening
Raffaella

Ema174

sent on May 12, 2024 (23:48) | This comment has been automatically translated (show/hide original)

Very nice, congratulations
Greetings ;-)

Sergio Darsie

sent on May 13, 2024 (3:36) | This comment has been automatically translated (show/hide original)

Well done as always Raffaella. Greetings Sergio.

Amirkhani

sent on May 13, 2024 (4:18)

Very beautiful, as always. Bravo at you and congrats.... Amir.

Bo Larkeed

sent on May 13, 2024 (8:44) | This comment has been translated

Wonderful!

Raffaella Coreggioli

sent on May 13, 2024 (12:27) | This comment has been automatically translated (show/hide original)

“ Very nice, congratulations
Greetings ;-) „

Grazie mille :-P

“ Well done as always Raffaella. Greetings Sergio. „

Many thanks Sergio :-)

“ Very nice, as always. Bravo to you and congratulations.... Amir. „

Thank you Amir :-)

“ Stupenda „

Gentilissimo, grazie :-P
Have a nice day everyone!
Raffaella

Coradocon

sent on May 13, 2024 (19:36) | This comment has been automatically translated (show/hide original)

Nice shot
Hello Corrado

Roger 59

sent on May 13, 2024 (20:49) | This comment has been automatically translated (show/hide original)

nice shot Raffaella congratulations

Mauro Maione

sent on May 14, 2024 (8:47) | This comment has been automatically translated (show/hide original)

It's beautiful as always, congratulations!

Raffaella Coreggioli

sent on May 14, 2024 (16:47) | This comment has been automatically translated (show/hide original)

“ „

“
Hello Corrado „

Thank you very much :-)

“ nice shot Raffaella congratulations „

Many thanks Roger :-P

“ it's beautiful as always, congratulations! „

Dear Mauro, thank you :-P
A warm greeting to all
Raffaella

Riccardo62

sent on June 01, 2024 (19:01) | This comment has been automatically translated (show/hide original)

Stupendous... like your galleries full of images and your passion for photography
A greeting with affection
An old friend
Riccardo

Raffaella Coreggioli

sent on June 03, 2024 (12:38) | This comment has been automatically translated (show/hide original)

“ Stupendous... like your galleries full of images and your passion for photography
A greeting with affection
An old friend
„

Many thanks Riccardo, very kind :-P
Best regards
Raffaella

Palmieri Raimondo

sent on June 23, 2024 (9:31) | This comment has been automatically translated (show/hide original)

Congratulations a shot that smacks of poetry....
7 hello Ray Palm-

Raffaella Coreggioli

sent on June 24, 2024 (19:20) | This comment has been automatically translated (show/hide original)

Thanks Raimondo, very kind Sorriso

Greetings
Raffaella

Gion65

sent on July 04, 2024 (12:08) | This comment has been automatically translated (show/hide original)

Awesome Macro !! COLORS.. BACKGROUND.. ATMOSPHERE.. Chapeau!!!

Raffaella Coreggioli

sent on July 06, 2024 (22:07) | This comment has been automatically translated (show/hide original)

“ Awesome Macro !! COLORS.. BACKGROUND.. ATMOSPHERE.. Chapeau!!! „

Very kind, thank you very much :-P
A warm greeting
Raffaella

Roberto Nisi

sent on September 05, 2024 (13:37) | This comment has been automatically translated (show/hide original)

Hello Raffaella
Wonderful almost ethereal image with composition lights and colors of great charm and atmosphere for a delicate and beautiful realization
Congratulations
Hello
Roberto :-P

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