Dicerura iridis (Kaltenbach, 1873)

Dicerura iridis: larvae on Iris pseudacorus

Iris pseudacorus, Belgium, prov. Hainaut, Chimay, RN Étang de Virelles © Sébastien Carbonnelle

mine

The larvae live in small groups in a small cavilty in the leaf, feeding through external digestion; pupation in the cavity. The adjacent leaf tissue has got a yellow to brown discolouration.

hostplants

Iridaceae, monophagous

Iris pseudacorus.

phenology

Larvae in June and September (Hering, 1957a); however, the picture above was taken end of March!

BENELUX

Not known from the Benelux countries (Fauna Europaea, 2007), but see above.

distribution within Europe

UK; Denmark, Germany, Czechia; Latvia, Lithuania (Fauna Europaea, 2007).

larva

Larvae elongated, narrow, orange yellow. Penultimate abdominal segments with a pair of conspicuous long prolongations.

Dicerura iridis: spatula

spatula (from Möhn, 1955a)

synonyms

Iridomyza, Dicerura, kaltenbachii Rübsaamen, 1899.

references

Barnes (1948a), Hering (1957a), Möhn (1955a), Skuhravá (2006a), Meyer & Jaschhof (1999a), Pakalniškis, Rimšaitė, Sprangauskaitė-Bernotienė ao (2000a), Rübsaamen (1899a).

mod 10.v.2018