Aposeris, odorous pig-salad

fam. Asteraceae

1a mine full depth; larva with chitinised head: Orthochaetes setiger

1b mine upper- or lower-surface; larva a maggot => 2

1c gallen etc => 100

2a mine more or less a blotch => 3

2b mine more a, possibly branching, corridor => 4

3a broad corridor, or primary blotch, but never a secondary blotch; primary and secondary feeding lines conspicuous: Trypeta immaculata

3b broad corridor, continued into a secondary bloth; feeding lines much less conspicuous: Liriomyza taraxaci

4a corridor(s) clearly associated with the midrib => 5

4b corridor indepedent of the midrib => 7

5a corridor overlying the midrib, with very broad, lobe-like branches => 3a

5b branches not that broad => 6

6a mine contains hardly any frass; larva at daytime (and puparium) in the extreme base of the hollow midrib: Ophiomyia pulicaria

6b much frass, in strings; larva without a fixed place; pupation outside the mine: Liriomyza strigata

6a pupation within the leaf; the front spiracula penetrate the epidermis => 7

6b pupation outside the mine: Phytomyza aposeridis

7a corridor lower- or (mostly) upper-surface, not associated with the leaf margin: Chromatomyia cf. syngenesiae

7b corridor invariably and entirely lower-surface, following the leaf margin over a large distance: Phytomyza monori

100a Nematoda => 101

100b Acari => 102

100c Coleoptera => 103

100e Diptera => 104

100f Hemiptera => 105

100d Hymenoptera => 106

100g rust fungi => 107

100h smut fungi => 108

100i powdery and downy mildews => 109

100j other causers => 110

102 – Acari

102a Eriophyidae: Epitrimerus protrichus

104 – Diptera

104a Cecidomyiidae: Mycodiplosis erysiphes

105 – Hemiptera

105a Triozidae: Trioza dispar

107 – rusr fungi

107a Coleosporiaceae: Coleosporium aposeridis

107a Pucciniaceae: Puccinia poae-aposeridis

108 – smut fungi

108a Entylomataceae: Entyloma aposeridis

109 – powdery and downy mildews

109a Erysiphaceae: Golovinomyces cichoracearum

109b Peronosporaceae: Bremia lactucae

110 – other causers

110a Fungi, Albiginaceae: Pustula obtusata

110b Fungi, Protomycetaceae: Protomyces kreuthensis