1a fleck mine => 2

1b full depth corridor or blotch; larva with chitinised head=> 5

1c upper- or lower-surface corridor or blotch => 11

1d galls, etc => Tables for all parasites per species

2a larva in a helicoidal case; hole in the mine untidy, angular: Apterona helicoidella

2b case in principle tubular; hole exactly round => 3

3a black sheeth case: Coleophora albitarsella

3b coarsew lobe base: Coleophora virgatella

3c composite leaf case => 4

4a case composed of 2-3 leaf fragments: Coleophora salviella

4b case composed of c. 15 leaf fragments: Coleophora onopordiella

5a oviposition site covered by a shining black drop of hardened secretion: Trachys quercicola

5b no such drop => 6

6a larva without feet: Orthochaetes insignis

6b larva with thoracic feet but without prolegs => 7

6b larva with thoracic feet but without prolegs => 8

7a adult bronze black: Dibolia schillingii

7b adult green or bronze green: Dibolia femoralis

8a “leaf miner” on Salvia triloba, Rhodos; mine not described: Ramphis libanoticus

8b narrow corridor, containing much frass, starting at an egg shell => 9

8c mine different, without frass, not beginning at an egg shell; mine associated with a silken tube under the leaf => 10

9a on Salvia lavandulifolia, west mediterranean: Glaucolepis salvifoliae

9b on Salvia triloba, east mediterranean: Glaucolepis trilobella

10a on Salvia officinalis: Vulcaniella cognatella

10b on Salvia austriaca, nemorosa, pratensis: Vulcaniella extremella

10c on Salvia aethiopis, sclarea: Vulcaniella grandiferella

10d on Salvia grandiflora: Vulcaniella karadaghella

10e on Salvia ringens: Vulcaniella klimeschi

11a puparium in the mine, in a, usually lower-surface, pupal chamber; frass in discrete grains: Chromatomyia horticola

11b pupation outside the mine; frass mostly in string or pearl chains => 12

12a pinnately branched corridor, its main branch overlying the midrib; frass in strings: Liriomyza strigata

12b corridor not pinnate, free from the midrib; frass in grains or pearl chains => 13

13a corridor, of which the middle part is strongly copntorted, creating a secondary blotch: Phytomyza salviae

13b corridor, never forming a secondary blotch: Phytomyza scotina