Eumasia parietariella (Heydenreich, 1851) Species
Last modified: Oct. 13, 2022, 2:30 p.m.
A very rare and extremely local species in Belgium, only discovered in 2013 on a south facing slope at Aywaille (LG).
Details
- Classification
- Family: Psychidae > Subfamily: Eumasiinae > Genus: Eumasia > Species: Eumasia parietariella
- Vernacular names
- Slakkenzakdrager (NL), Mottenähnlicher Sackträger (DE)
- First mention in Belgium
- Darcis J. M., Steckx E. & De Prins W. 2014. Eumasia parietariella (Lepidoptera: Psychidae), un nouveau papillon pour la réserve naturelle de la Heid des Gattes ... et pour la Belgique. — Phegea 42(2): 33–36. On page 33. view page
- Status
-
Native
Distribution
Imago
Wingspan 7–11 mm, some females even 12 mm.
Museum specimens
No pictures yet!Specimens in nature
Caterpillar
Length 4–5 mm, light greyish, head and prothoracic plate black.
Case
Length 7–11 mm, width 1–2 mm, tubular, covered with fine grains of sand and plant particles, mostly also some debris of small insects, mainly at the fore-end till one quarter of the entire case. The case may resemble the one of Dahlica triquetrella, but the caterpillar of that species has a reddish head capsule.
Bionomics
The larvae live very well hidden in cracks of rocks or walls.Their cases, having the same colour of stone, are hardly discernable.
Both sexes have wings. The adults live only one day and don't feed, they can fly but only for short distances.
Flight periods
One generation a year: late May to late July.
Habitat
Xerothermic rocky slopes, mainly south facing.
