Coleophora therinella Tengström, 1848
black-bindweed case-bearer
on Fallopia
case (from van der Wolf, 1992a).
parasite
Larva in a trivalved tubular silken case of 8-10 mm in length, with a mouth angle of ± 20°. The larva enlarges its case at the oral side by adding light-coloured silk, that becomes darker in the course of time. The larva feed upon the fruits, both the green ones and the ripe black ones, often close to the ground, hidden by the vegetation.
host plantsPolygonaceae, monophagous
Fallopia convolvulus.
References to Carduus or Cirsium apply to Coleophora peribenanderi.
phenology
Larvae from August till September.
distribution within Europe
Practically all of Europe (PESI, 2018).
references
Baldizzone (1984a, 1990b, 2004a), Biesenbaum & van der Wolf (1999a), Emmet, Langmaid, Bland ao (1996a), Kasy (1965a), van Nieukerken, Gielis, Huisman ao (1993a), Patzak (1974a), Sterling (1991a), van der Wolf (1992a), Wullaert (2017a).