Cucumis cucumber
(For a dichotomous table for galls on Cucumis by Hans Roskam click here)Dichotomous table for leafminers
1a larva bores in the basis of the stem, making from there short excursions into the lower leaves: Delia platura
1b larva lives in the leaves only; mine a corridor => 2
1c galls, etc => Tables for all parasites per species
Dichotomous table for leafminers
1a larva bores in the basis of the stem, making from there short excursions into the lower leaves: Delia platura
1b larva lives in the leaves only; mine a corridor => 2
1c galls, etc => Tables for all parasites per species
2a frass in isolated grains, lying more than their diameter apart; puparium in the mine, in a, usually lower-surface, pupal chamber: Chromatomyia horticola
2b frass mostly in strings or pearl chains; puparium formed outside the mine => 3
3a corridor pinnately branched, main branch overlying the midrib, side branches overlying the lateral veins; larva: rear spiraculum with 9-13 papillae: Liriomyza strigata
3b corridor not pinnately branched, winding freely through the leaf; rear spiraculum with 7-9 papillae: Liriomyza bryoniae
Not included in the key: Liriomyza huidobrensis, Liriomyza trifolii.