Cerodontha pygmella (Hendel, 1931)

mine

Broad elongated blotch. Frass greenish. Larvae generally communal. Pupation within the mine. The black puaria are individually anchored within the mine with a silken thread attached at their rear end.

host plants

Poaceae, oligophagous

Calamagrostis arundinacea, epigeios, villosa; Drymochloa sylvatica; Leucopoa carpatica.

phenology

Larvae from July till October.

BENELUX

not known from the Benelux countries (Fauna Europaea, 2009).

distribution within Europe

From Scandinavia and the Baltic States to Germany, Czechia, and Slovakia, and from Britain to Poland (Fauna Europaea, 2009); mountain species (Nowakowski, 1973a). Cited by Gil Ortiz (2009a) from Spain.

larva

Rear spiraculum with 5-6 claw-shaped papillae. At their outside, half-ventrally, a relatively large black “wart” with a deep, well-visible “root” (Nowakowski, 1973a).

pupa

Metallic black with a violet or blue shine. Rear spiracula on a common base (Nowakowski, 1973a).

synonyms

Cerodontha lapplandica (Rydén, 1956); C. tatrica Nowakowski, 1967.

notes

Member of the subgenus Poemyza (Nowakowski, 1973a; Spencer, 1976a).

references

Andersen (2012a), Černý, Barták & Vaněk (2009a), Gil Ortiz (2009a), Gil-Ortiz, Martinez & Jiménez-Peydró (2010a), Kahanpää (2014a), Nowakowski (1973a), Pakalniškis (1994a), Papp & Černý (2016a), Rydén (1956a), Spencer (1976a), von Tschirnhaus (1999a), Vála Rohacek (1983a).

mod 1.i.2019