7-6-2020 VILLALONGA RIO SERPIS, VALENCIA - BRIGHT WAVE MOTH (Idaea ochrata)

Idaea ochrata, the bright wave, is a moth of the family Geometridae. It is found in Europe.

The species has a wingspan of 21–24 mm. The adults fly at night from late June to early August in one generation . The species overwinters as a larva.

The larvae feed on the flowers of hawk's beard (Crepis sp.), dandelion (Taraxacum) and coltsfoot (Tussaligo) in captivity. In the wild the larvae feed on Smooth Tare and the flowers of Hare's-foot Clover.

The Bright Wave (Idaea ochrata) is a small, sandy-brown moth with a 21–24mm wingspan, recognized by its pointed forewings and, as shown on Butterfly Conservation, distinct, thin cross-lines. Primarily a coastal species in Southeast England (Kent/Suffolk), it is rare and listed in the Red Data Book, appearing between late June and early August, often flying in the late afternoon and at dusk. 

Key facts about the Bright Wave include:

Appearance: Small with sandy-brown to ochreous coloration. It has a distinctive pointed forewing, often with black dots along the fringe, notes and via Picture Insect.

Flight Season: A single generation flies from late June to early August.

Habitat: Prefers coastal habitats, including vegetated shingle beaches and sandy undercliffs.

Larval Food: Caterpillars feed on various low-growing plants, including Smooth Tare, Hare's-foot Clover, dandelion, and hawk's-beard, according to Butterfly Conservation and UKMoths.

Life Cycle: The species overwinters as a larva.

Behavior: It is easily disturbed from vegetation during the day but also comes to light, sometimes in large numbers.

Status: In the UK, it is considered a resident but also an immigrant. It was previously considered extinct in Suffolk before reoccurring, as described in the Suffolk Moths records. 

The species is found throughout southern Europe, preferring open, dry grasslands, according to Norfolk Moths and Butterfly Conservation.