Centranthus red valerian
synoniem: Kenthrathus
(For a dichotomous table for galls on Centranthus by Hans Roskam click here)Dichotomous table for leafminers
1a pinnately branched corridor on top of the midrib and strong lateral veins: Liriomyza strigata
1b elongated blotch on top of the midrib: Liriomyza xanthocera
1c corridor not associated with the leaf venation => 2
1d galls, etc => Tables for all parasites per species
Dichotomous table for leafminers
1a pinnately branched corridor on top of the midrib and strong lateral veins: Liriomyza strigata
1b elongated blotch on top of the midrib: Liriomyza xanthocera
1c corridor not associated with the leaf venation => 2
1d galls, etc => Tables for all parasites per species
2a frass in isolated grains; puparium in the mine, in a, usually lower-surface, pupal chamber; mine shallow: Chromatomyia horticola
2b frass in strings; pupation outside the mine => 3
3a larva: rear spiraculum with 7-12 papillen: Liriomyza bryoniae
3b rear spiraculum with 3 papillen => 4
4a gallery usually forming a secondary blotch; frass in long strings: Liriomyza valerianae
4b rarely a secondary blotch; frass in short strings: Liriomyza trifolii