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  1. Galleries
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  3. Macro and Flora
  4. » Eurydema ornate, black and white

 
Eurydema ornate, black and white...

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Eurydema ornate, black and white sent on January 04, 2017 (9:58) by Cosimo Montanaro. 3 comments, 823 views. [retina]

1/100 f/5.6, ISO 100, hand held. Taranto, Italy.

#Hemiptera #Rhynchota #Wild #Verde L'Eurydema ventrale è un Pentatomide di 10 mm circa di lunghezza; presenta una livrea molto appariscente, per il colore rosso (giallastro in altre specie congeneri) maculato di nero, del protorace e delle emielitre. I giovani e gli adulti si nutrono della linfa delle foglie e dei germogli causandone il deperimento; possono, inoltre, attaccare anche le silique compromettendone i semi. Le giovani piante colpite, oltre a rallentare lo sviluppo, possono anche avvizzire e necrotizzare. Ciclo biologico Il ciclo biologico dell'Eurydema ventrale è analogo a quel?lo di altre due Cimici congeneri (Eurydema ornatum L. ed Eurydema oleraceum L.) che attaccano il Cavolfiore, la Rapa, il Ravizzone, la Colza sempre con gli stessi danni. L'Eurydema ventrale sverna come adulto in vari rifugi. In primavera, fine marzo-aprile, esce dai ripari ed inizia la sua attività trofica; dopo circa un mese questi adulti si accoppiano e le femmine depongono le uova, in gruppetti, sulla pagina inferiore delle foglie. I nuovi adulti (1a generazione) compaiono verso il mese di giugno e ripetono il ciclo che si conclude in agosto con la comparsa degli adulti di 2a generazione; questi adulti sverneranno. L'Eurydema ventrale compie, pertanto, due generazioni all'anno. FONTE: http://www.agraria.org/entomologia-agraria/cimice-dei-cavolfiori.htm



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3 persons like it: Giuseppe Bocelli, Infas, P.a.t 62


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avatarsupporter
sent on January 13, 2017 (11:30) | This comment has been automatically translated (show/hide original)

A good free hand of a subject for its colors I had never seen.
I would try to bring color balance in the red to +12/15 to remove the small dominant.

avatarsenior
sent on January 13, 2017 (15:28) | This comment has been automatically translated (show/hide original)

good job

compliments

Hello

Savior

avatarsenior
sent on January 16, 2017 (13:21) | This comment has been automatically translated (show/hide original)

Pigi
Savior
Thanks ;-) 8-)


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