The last molt of the swallowtail: the rupture of the cuticle, page 2

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Galleries
Macro and Flora

The last molt of the swallowtail: the rupture of the cuticle...

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L'ultima muta del macaone View gallery (4 photos)

The last molt of the swallowtail: the rupture of the cuticle sent on February 16, 2023 (18:34) by MarcoCoppola. 53 comments, 838 views.

, 1/80 f/8.0, ISO 800, tripod. Specie: Papilio machaon

L'allevamento dei lepidotteri, oltre a proteggere le varie specie, mi consente di osservare e fotografare tutte le particolari fasi della loro vita. La scorsa estate sono riuscito a fotografare l'ultima muta del macaone e prossimamente pubblicherò tutte le foto che documentano questa particolare fase. Quando allevo alcune specie di lepidotteri, posiziono all'interno dei fauna box qualche rametto per invogliare i bruchi a fare lì la crisalide. In questo modo poi posso spostarli e fotografare tutte le fasi della metamorfosi. Ho visto però che spesso preferiscono impuparsi sotto il coperchio del contenitore perché lo ritengono un luogo più adatto; posizionando i rametti quando i bruchi sono ancora piccoli, sono riuscito a fargli capire che sono sicuri e adatti allo scopo. Il bruco, dopo aver trovato la giusta posizione, per mantenersi aggrappato tesse lentamente sotto il suo corpo uno strato appiccicoso composto da filamenti di seta; in seguito, girando la testa a destra e a sinistra, costruisce anche una resistente cintura protettiva che lo avvolge completamente al rametto. I filamenti sono importantissimi perché consentono alle crisalidi di resistere anche alla pioggia e al vento forte dei mesi invernali. Per i miei bruchi non ci sono pericoli, mi è capitato di allevare 2 esemplari che non si erano attaccati bene e ho dovuto staccare le crisalidi, ma ve lo racconterò un'altra volta. Per la preparazione dei filamenti sono necessarie alcune ore, dopo le quali il bruco smette di muoversi e inizia la metamorfosi. Dopo 1 o 2 giorni arriva il momento della sua ultima muta, durante la quale si libera della pelle, chiamata cuticola, facendo uscire al suo posto la crisalide. Questa foto documenta i primi secondi della muta, quando con delle forti contrazioni la crisalide rompe la cuticola dietro la testa. In seguito la fa scivolare lungo il corpo fino a farla rimanere attaccata solo alla parte posteriore, poi la fa cadere con dei movimenti circolari. Per completare la muta sono necessari pochi minuti. Anche in questa fase la cintura di seta svolge il suo importantissimo compito, la crisalide non può attaccarsi completamente al rametto e si mantiene aggrappata con la cintura e con la parte posteriore del corpo. Se la cintura di seta non è costruita bene, durante le contrazioni potrebbe rompersi. Completata la muta, la crisalide smette di muoversi e in circa 20 minuti si avvicina al rametto in quella che sarà la sua posizione fino alla nascita della farfalla. Per fotografare questa fase sono stato in attesa ad osservare il bruco per tutto il pomeriggio, spesso si muoveva ma era ancora troppo presto. Erano circa le 19,30 quando finalmente ha iniziato la muta, ho fatto molte foto fino a quando ha smesso di agitarsi, poi mi sono fermato ad osservarla per un po' prima di iniziare la mia solita esplorazione notturna. Avrei voluto fotografare con la luce del tramonto ma era troppo tardi ed era già quasi buio, in natura bisogna adattarsi. Sono molto soddisfatto di aver assistito a questa bellissima scena, che secondo me in pochi hanno visto e fotografato.

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Coradocon

sent on February 18, 2023 (17:16) | This comment has been automatically translated (show/hide original)

Beautiful. Good weekend Corrado

MarcoCoppola

sent on February 18, 2023 (17:24) | This comment has been automatically translated (show/hide original)

Thank you so much Corrado!
Have a nice weekend

Bepi	sent on February 18, 2023 (18:31) \| This comment has been automatically translated (show/hide original) Beautiful macro and a very interesting explanation! Great!!! A pleasure to look at your photos and read you! Hello

MarcoCoppola

sent on February 18, 2023 (18:40) | This comment has been automatically translated (show/hide original)

Thank you so much Bepi for the beautiful comment, I am really glad Sorriso

cheers

NadiaB

sent on February 19, 2023 (18:40) | This comment has been automatically translated (show/hide original)

:-or Dear Marco, thank you because you make us attend "live" these special moments!!! GREAT shot super detailed! :-or
Your explanations teach us a lot and the narration of your experiences involves us even more in the situation! THANK YOU!

Roberto Carrano

sent on February 19, 2023 (19:01) | This comment has been automatically translated (show/hide original)

Another wonderful shot, very good Marco ... as always
Congratulations very much :-P

MassiCricco

sent on February 19, 2023 (19:06) | This comment has been automatically translated (show/hide original)

Magnificent macro shot! Beautiful colors and details! Congratulations and greetings, Massimiliano

MarcoCoppola

sent on February 19, 2023 (19:16) | This comment has been automatically translated (show/hide original)

Thanks to you Nadia, it is a pleasure to share with you my photos and tell you about the peculiarities of nature :-)
Thank you very much Roberto and Massimo, I'm glad you liked it!
Hello

Renni

sent on February 19, 2023 (20:32) | This comment has been automatically translated (show/hide original)

Dear Mark and John (+David), I did not believe that life on Earth was so difficult! I
congratulate both of you for the effort you make both for the biological balance and for the naturalistic documentation, even if Giovanni also does it as an entrepreneur - I think I understood -.
All this does you credit!
A warm greeting

Zamax

sent on February 19, 2023 (21:46) | This comment has been automatically translated (show/hide original)

A Wonder as always ;-) Bravissimo Complimenti

MarcoCoppola

sent on February 19, 2023 (22:49) | This comment has been automatically translated (show/hide original)

Thank you very much Renni and Max I really appreciated your comments :-) I
have always been a lover of nature and I try with my efforts to preserve and help the various species, which unfortunately are increasingly threatened by the direct and indirect actions of man.
Hello

Maryas

sent on February 19, 2023 (23:42) | This comment has been automatically translated (show/hide original)

Wonderful moment caught excellently taken, light, colors and
amazing details, great beautiful shot and exhaustive caption.
Bravissimo Marco, many congratulations!
Hello, Mary.

Gandy

sent on February 20, 2023 (21:25) | This comment has been automatically translated (show/hide original)

Passion and love for nature,
seasoned with good technique,
lead to excellent results,
congratulations!

MarcoCoppola

sent on February 21, 2023 (0:13) | This comment has been automatically translated (show/hide original)

Thank you very much Mary and Gandy for the beautiful comments that I really appreciate :-)
Hello

Axel1950

sent on February 21, 2023 (8:07) | This comment has been automatically translated (show/hide original)

Beautiful macro and beautiful caption
compliments

MarcoCoppola

sent on February 21, 2023 (12:18) | This comment has been automatically translated (show/hide original)

Thank you very much Ale for the comments and for passing in my gallery
Hello

XFleshcoated

sent on February 21, 2023 (15:37) | This comment has been automatically translated (show/hide original)

Very interesting shooting

Maurizio Baldari

sent on February 21, 2023 (19:14) | This comment has been automatically translated (show/hide original)

You can swear that few have seen and photographed: scholars !!!
Greetings
Maurizio

MarcoCoppola

sent on February 21, 2023 (22:00) | This comment has been automatically translated (show/hide original)

Thank you very much Xfleshcoated and Maurizio for the kind comments that I greatly appreciated.
Hello

78marcolino78

sent on February 22, 2023 (14:46) | This comment has been automatically translated (show/hide original)

pleasant macro, excellent capture, subject with optimal coloring, congratulations greetings from Marco

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