Geometridae Sterrhinae Idaeini Idaea contiguaria Idaea determinata
Idaea degeneraria (Hübner, [1799])
Portland Ribbon Wave
Acidalie dégénérée

Genus: Idaea Treitschke, 1825   Original genus: Geometra Linnaeus, 1758

Adult:
I. degeneraria (© Daniel Morel)
Adult, Arles, Bouches-du-Rhône, France, May 11, 2008
(Photo by Daniel Morel)
I. degeneraria (© Paolo Mazzei)
Adult, Vivaro (Roma), Italy, July 2000
(Photo by Paolo Mazzei)
I. degeneraria (© Daniel Morel)
Adult, Saint-Emiland (71), Carrière de Pont-d'Argent, France, September 19, 2004
(Photo by Daniel Morel)

Larva:
I. degeneraria (© Daniel Morel)
Larva, Roussillon-en-Morvan, 600m, Saône-et-Loire, France, July 12, 2013
(Photo by Daniel Morel)
I. degeneraria (© Daniel Morel)
Larva, Roussillon-en-Morvan, 600m, Saône-et-Loire, France, July 12, 2013
(Photo by Daniel Morel)

Foodplants:
Withered leaves of herbaceous plants

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