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), Warrington (2019e).