Phytomyza penicilla Hendel, 1935
mine
In fact a borer, rather than a miner. The larva tunnels in the midrib, causing it to swell gall-like, mainly in its basal part. Sometimes the larva makes excursions into the blade. Pupation within the leaf.
host plants
Asteraceae, oligophagous
Cichorium endivia, intybus; Lactuca serriola; Lapsana communis.
Possibly also Arctium (Spencer, 1973b).
phenology
Larvae in the leaves in April-May. There is a second generation in summer, in which the larvae bore in the stem and roots (Spencer, 1973b).
BENELUX
Niet bekend uit de Benelux-landen (Fauna Europaea, 2008).
distribution within Europe
Germany, Poland, France, Switzerland, and Austria (Fauna Europaea, 2008).
puparium
described by de Meijere (1943a) and Spencer (1973b).
references
Buhr (1955b, 1964a), Černý (2009a), Černý, Barták & Vaněk (2009a), Černý & Merz (2007a), Dauphin & Aniotsbehere (1997a), Hering (1957a, 1963a), de Meijere (1943a), Spencer (1973b), Tomasi (2014a), von Tschirnhaus (1999a).