Seseli, moon carrot

Incl. Libanotis

1a mine < 1 cm, full depth, often in numbers together in a leaf axil; larvae, with distinct feet and chitinised head, later live free and cause extensive window feeding => 2

1b ine > 1 cm, not full depth; larva a maggot => 3

1c galls, etc => 100

2a high mountain species: Epermenia aequidentellus

2b lowland species: Epermenia chaerophyllella

3a inter-parenchymatous blotch, yellow-green, later brown, perforate, resembling fungus damage (occurence on tihs host needs confirmation) : Phytomyza heracleana

3b mine not inter-parenchymatous or perforate, upper- or lower-surface => 4

4a blotch with conspicuous primary and secondary feeding lines; larva: rear spiracula with 3 papillae: Euleia heraclei

4b mine rather a corridor, without feeding lines; rear spiracula with 6 or more papillae => 5

5a puparium in the mine in a, usually lower-surface, pupal chamber: Chromatomyia horticola

5b larva leaves the mine prior to pupation => 6

6a corridor very shallow, greenish; frass in initial part of the mine in pearl chains; larva: mandible with 1 tooth: Phytomyza seseleos

6b corridor deeper, whitish; frass in initial part in grains; mandible with 2 teeth => 7

7a mine with some small elongate full depth patches: Phytomyza mylini

7b mine nowhere full depth: Phytomyza libanotidis

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: Aceria peucedani

105 – Hemiptera

105a Aphididae: Semiaphis dauci seselii

105b Asterolecaniidae: Planchonia arabidis

107 – rust fungi

107a Pucciniaceae: Puccinia libanotidis, nitida, seseleos; Uromyces graminis

109 – powdery and downy mildews

109a Erysiphaceae: Erysiphe heraclei

109b Peronosporaceae: Plasmopara nivea

110 – other causers

110a Fungi, Protomycetaceae: Protomyces macrosporus