Tagetes, marigold

fam. Asteraceae

1a pupation within the mine, in a, generally lower-surface, pupal chamber; frass in isolated grains: Chromatomyia cf. syngenesiae

1b pupation external; frass in strings => 2

1c galls, etc => 100

2a gallery pinnately branched, main and side branches on top of midrib and side veins: Liriomyza strigata

2b gallery less strongly branched, not pinnate: Liriomyza bryoniae

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

101 – Nematoda

101a Anguinidae: Ditylenchus dipsaci

101b Meloidogynidae: Meloidogyne hapla

104 – Diptera

104a Tephritidae: Dioxyna bidentis

109 – powdery and downy mildews

109a Erysiphaceae: Golovinomyces cichoracearum; Neoërysiphe cumminsiana

Not included in the key: Liriomyza trifolii.

26/07/2016