Last modified: Nov. 7, 2023, 11:55 a.m.
A very rare and local species in Belgium, not seen for a long time.
Native
Wingspan about 17–24 mm. Head, thorax and abdomen brown-grey. Forewing with a very narrow costal fold reaching to middle of costa. Ground colour brownish grey, weakly shining, with dark transverse wavy lines. Basal field, median fascia and subcostal blotch darker, markings indistinct. Cilia yellowish brown at base, with dark line, whitish terminally. Hindwing grey, cilia whitish with brown line.
Approximately 22 mm long, head black, abdomen green with darker line dorsally and black pinacula, prothoracic shield divided, brown-black, anal shield brownish-yellow.
Eggs are imbricately deposited in a double row on the needles. Larvae among spun needles.The species overwinters as a young larva. Pupation takes place inside the webs at the last feeding place.
It can become sometimes a pest on the food plants.
The main flight period is from the end of June until the end of July.
It inhabits pine forests.