Liriomyza violicaulis Hering, 1962
Diptera, Agromyzidae
mine
Not only the leaf disk is mined, but also the petiole and the rind of the underground stem. Even the small stipules are visited, and can be mined out completely. Mines in the leaves either upper- or lower-surface. Frass in short thread fragments, now and then in isolated grains.
hostplants
Violaceae, monophagous
Viola arvensis, tricolor.
phenology
Larvae in early July and mid September (Hering, 1962a).
BENELUX
Not known from the Benelux countries (Fauna Europaea, 2008).
distribution within Europe
Germany, Lithuania (Fauna Europaea, 2008).
larva
Described by Hering (1955a: 269, as Liriomyza sp.); rear spiraculum with 9-12 papillae.
references
Buhr (1964a), Hering (1955a, 1957q, 1962a), Ostrauskas, Pakalniškis & Taluntytė (2003a), Pakalniškis (1998a), von Tschirnhaus (1999a).
31.iii.2008