Elachista herrichii Frey, 1859

mine

After hibernation the mine is a fine, yellowish green shallow corridor in the basal part of the leaf. The larva then works upwards, broadening the mine to the full width of the blade. As a result the distal part of the leaf withers and turns dark reddish brown. Frass irregularly scattered. Pupation outside the mine,

hostplants

Poaceae, oligophagois

Agrostis; Avenula pubescens; Bromopsis pannonica; Festuca arvernensis; Holcus; Koeleria glauca, “gracilis”, macrantha; Rostraria cristata.

Preference for open, dry habitats on calcareous soils (Traugott-Olsen & Nielsen, 1977a).

phenology

Mining larvae from autumn till April or May, and again from July to early August (Traugott-Olsen & Nielsen, 1977a).

BENELUX

BE recorded (Phegea, 2009).

NE not recorded (Fauna Europaea, 2009).

LUX not recorded (Fauna Europaea, 2009).

distribution within Europe

From the Baltic States to the Pyrnees, Italy, and Romania (Fauna Europaea, 2009).

larva

Deep yellow with a broad whitish dorsal line; head pale brown. Pronotum with a pair of dark, elongate, posteriorly diverging slerites (Hering, 1957a; Hoffmann, 1893a; Traugott-Olsen & Nielsen, 1977a).

synonyms

Elachista obscurella (Herrich-Schäffer, 1855); E. reuttiana Frey, 1859.

references

Baldizzone (2004a, 2008a), Baran (2005a), Baran, Mazurkiewicz & Pałka (2007a), Bidzilya, Budashkin & Zhakov (2016a), Buszko (1990a), Hering (1957a), Hoffmann (1893a), Kaila, Nupponen, Junnilainen, Nupponen, Kaitila & Olschwang (2003a), Liška ao (2000a), Parenti & Varalda (1994a), Schütze (1931a), Sruoga & Ivinskis (2005a), Szőcs (1977a, 1981a, Traugott-Olsen & Nielsen (1977a), Wörz (1957a).

10/02/2017

mod 7.viii.2017