Plant Parasites of Europe

leafminers, galls and fungi

Phytomyza calthophila

Phytomyza calthophila Hering, 1931

on Caltha

Phytomyza calthophila: mines on Caltha palustris

Caltha palustris, Sweden, Öland © Cor Zonneveld


Long upper-surface, parallel-sided corridor, pale green, later browned. The corridor is little contorted and hardly branching. Frass in gradually coarser grains. Pupation outside the mine; exit slit in lower epidermis (Hering, 1957a) or upper epidermis (Pakalniškis, 2004a).

host plants

Ranunculaceae, monophagous

Caltha palustris.


Larvae in May-July and August-September (Hering, 1957a).


BE recorded (De Bruyn & von Tschirnhaus, 1991a).

NE recorded (de Meijere, 1924a, als nigritella).

LUX not recorded (Fauna Europaea, 2008).

distribution within Europe

From Scandinavia and Finland to the Pyrenees and Czechia, and from Ireland to Lithuania and Poland (Fauna Europaea, 2008).


Described by de Meijere (1926a, as nigritella); rear spiraculum strikingly large, bifid, with two long arms.

Phytomyza calthophila: post. spiraculum

posterior spiraculum (from Nowakowski, 1962b)


The rear spiracula are illustrated by Spencer (1990a).


Phytomyza nigritella: auct.

parasitoids, predators

Chrysocharis viridis.


Mines mainly in the upper leaves.


Ahr (1966a), Beiger (1965a, 1970a, 1979a), Beuk (2002a), Bland (1992b, 1994b), De Bruyn & von Tschirnhaus (1991a), Buhr (1932a, 1941b, 1964a), Černý (2001a), Černý & Merz (2007a), Černý & Vála (1996a), Dreger & Myssura (2005a), Haase (1942a), Hering (1931a, 1955b, 1957a), Huber (1969a), Maček (1999a), Manning (1956a), de Meijere (1924a, 1926a, 1939a), Michalska (1970a, 1972a, 1976a), Nowakowski (1954a, 1962b), Pakalniškis (2004a), Robbins (1991a), Skala & Zavřel (1945a), Sønderup (1949a), Spencer (1954a, 1972a, 1976a, 1990a), Starke (1942a), von Tschirnhaus (1999a).

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