Euphorbia spurge
Incl. Pedilanthus.
(For a dichotomous table for galls on Euphorbia by Hans Roskam click here)
Dichotomous table for leafminers
1a fleck mine; larva in a helicoidal case: Apterona helicoidella
1b corridor or blotch; larva mines from the inside => 2
1c small, full depth mines of indefinite shape; older larvae live free among spun leaves => 13
1d gallen etc => Tabellen voor alle parasieten per soort
Dichotomous table for leafminers
1a fleck mine; larva in a helicoidal case: Apterona helicoidella
1b corridor or blotch; larva mines from the inside => 2
1c small, full depth mines of indefinite shape; older larvae live free among spun leaves => 13
1d gallen etc => Tabellen voor alle parasieten per soort
2a small, irregular mines, somewhat contracted; older larvae live free among spun leaves => 3
2b mine not unusually small, never contracted; larve mine all their life => 5
3a larva: pinacula colourless (but the bases of the setae are black): Cnephasia incertana
3b pinacula black => 4
4a terminal abdominal segment with a black anal comb: Cnephasia asseclana
4b no anal comb present: Cnephasia stephensiana
5a at start of the mine a globular shining egg shell; larva with chitinised head => 6
5b no egg shell visible; larva a maggot => 7
6a species of the Canary Islands: Muhabbetana jubae
6b species of continental Europe: Muhabbetana euphorbiella
7a blotch => 8
7b corridor, may be widening in the end => 9
8a no trace of an initial corridor; larvae as a rule communal: Liriomyza pascuum
8b no trace of an initial corridor; larvae solitary (??): Liriomyza heringi
8c blotch preceded by a short corridor: Liriomyza myrsinitae
9a mine for a large part on top of, or inside, the midrib, or sending branches from the midrib => 10
9b mine independent of the lef venation => 12
10a puparium and (at daytime) larva in the base of the hollow midrib => 11
10b puparium or larva never inside the midrib: Liriomyza strigata
11a larva: rear spiraculum with >10 papillae: Ophiomyia beckeri
11b rear spiraculum with 8-9 papillae: Ophiomyia cunctata
12a pupation within the mine, in a, usually lower surface, pupal chamber: Chromatomyia horticola
12b pupation outside the mine: Liriomyza balcanica
13a larva: pinacula colourless (the bases of the setae themselves are black) : Cnephasia incertana
13b pinacula black => 14
14a larva: behind/below the anus a chitinous comb: Cnephasia asseclana
14b anal comb absent: Cnephasia stephensiana
Not included in the key: Liriomyza euphorbiae