Helotropha leucostigma (Hübner, 1808)
crescent
on Iris, etc.
mine
The larve lives as a borer in the stem and rhizome of several helophytes, but according to Robbins (1991a) and Porter (1997a) in case of yellow iris it should primarily live a an interparenchymatous leaf miner.
hostplants
polyphagous
Acorus calamus; Carex acutiformis; Cladium mariscus; Glyceria maxima; Iris pseudacorus; Typha angustifolia, latifolia.
phenology
Larvae in May – July (Carter & Hargreaves, 1987a).
BENELUX
BE recorded (Phegea, 2010).
NE recorded (Kuchlein & de Vos, 1999a; VlinderNet.nl, 2010).
LUX not recorded (Fauna Europaea, 2010).
distribution within Europe
All Europe (Fauna Europaea, 2010).
larva
Body greyish brown with three vague pale length lines; pinacula dark brown; head shining brown, prothoracic and anal plates shining black.
pupa
See Patočka & Turčáni (2005a).
synonyms
Celaena leucostigma.
references
Carter & Hargreaves (1987a), Ebert (ed., 1998a), Kuchlein & de Vos (1999a), Patočka & Turčáni (2005a), Peslier (2000b), Porter (1999a), De Prins (1998a), Robbins (1991a), Schaefer (1980a).