Phytomyza arnicae Hering, 1925

Diptera, Agromyzidae

mine

Upper-surface, rarely lower-surface, shallow, corridor, suddenly widening into a large blotch that may occupy almost the entire leaf, and may have some full-depth spots. Leaf around the mine sometimes with a red-violet discolouration. Frass in small, dispersed, granules. Pupation outside the mine.

hostplants

Asteraceae, monophagous

Arnica angustifolia, montana.

phenology

Larvae in May to June (Hering, 1957a).

BENELUX

Not known from the Benelux countries

distribution within Europe

From Sweden to the Alps, and from Britain to Poland (Fauna Europaea, 2009).

larva

Mandibles wth two teeth, only weakly alternating; no frontal appendage. Anterior spiracle with 10-13, posterior one with 15-20 papillae, both in an irregular arc (de Meijere, 1928a, 1937a).

notes

Mountain species (Hering, 1957a).

references

Ahr (1966a), Buhr (1964a), Černý & Merz (2007a), Černý & Vála (1996a), Haase (1942a), Hering (1925b, 1926b, 1957a), Huber (1969a), de Meijere (1928a, 1937a), Spencer (1976a), von Tschirnhaus (1999a).

30/07/2011