Single-dotted Wave (Idaea dimidiata (Hufnagel, 1767))
Scientific name: Idaea dimidiata (Hufnagel, 1767)
Common name: Single-dotted Wave
French name: Acidalie écussonnée
Order: Lepidoptera
Suborder: Heterocera
Family: Geometridae
Subfamily: Sterrhinae
Wingspan: 13 to 18 mm.
Biotope: Damp forests, river banks, peat bogs, wet meadows with bushes.
Geographic area: Europe, Central Asia east to Afghanistan, North Africa, North America.
Flight time: May to September.
Number of generations : 2
Caterpillar: Pale brown with a double blackish dorsal line bordered by small oblique markings which can give the impression of arrow shapes.
Host plant: Many plants including Cleavers (Galium), Umbelliferae (Apiaceae), Alders (Alnus), Blackthorns (Prunus spinosa), Willows (Salix), etc.
The Single-dotted Wave is light straw yellow in colour with brown markings.
The postmedian band is reduced to a small spot on the costal margin and a row of small dark dots at the crossing with the veins.
The terminal area is marked, on its inner half, with four more or less clear brown spots.
The four wings bear a dark discal spot and a series of terminal dots.
The Single-dotted Wave overwinters as a caterpillar.

Single-dotted Wave (Idaea dimidiata) - Saône-et-Loire, France - July 15th 2021
[To know more about the Single-dotted Wave]    [Top]
Single-dotted Wave (Idaea dimidiata)
Here is a new species of the Idaea genus in my list of observations. I already have a number of them but the genus is large and I still have a lot left to discover.

[Top]    Site map    André Bon February 2025
phpMyVisites