Yellow-barred Brindle (Acasis viretata (Hübner, 1799))

Scientific name: Acasis viretata (Hübner, 1799)
Common name: Yellow-barred Brindle
French name: Lobophore verdâtre
Order: Lepidoptera
Suborder: Heterocera
Family: Geometridae
Subfamily: Larentiinae
Wingspan: 25-29 mm.
Biotope: Forests, bushes, hedgerows, parks and gardens including peri-urban areas.
Geographic area: Eurasia except the most southern regions, North America.
Flight time: April to October.
Number of generations : 2
Caterpillar: Pale yellowish green with more or less extended pinkish purple wedge-shaped dorsal markings.
Host plant: Large variety of plants including Common Holly (Ilex aquifolium, Common Ivy (Hedera helix), Viburnum sp, Buckthorns (Rhamnus) and Privets (Ligustrum).

The Yellow-barred Brindle's fore wings are a green colour when the moth is freshly emerged. They quickly turn to greyish yellow.
They are crossed by a thin black line close to the base and by a broad blackish grey median band.
The hind wings are whitish.
The Yellow-barred Brindle over winters as a chrysalis.


Yellow-barred Brindle (Acasis viretata) - Yvelines, France - August 26th 2013
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Yellow-barred Brindle (Acasis viretata)
I have observed this Yellow-barred Brindle landed on the wall of the house.
Its presence may be explained by Common Ivy and Privet growing in my garden and in the other gardens in the neighbourhood.
I always try now to include an object in the picture so that I can measure the wingspan. I have used a piece of graph paper here.

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