Coreopsis, tickweed, calliopsis

1a corridor, independent of the midrib: Chromatomyia cf. syngenesiae

1b corridor overlying the midrib, or originating there => 2

1c galls, etc > 100

2a corridor with its side branches overlying the midrib and thick lateral veins: Liriomyza strigata

2b several corridors, seemingly originating independent of each other at the midrib: Ophiomyia beckeri

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

109 – powdery and downy mildews

109a Erysiphaceae: Golovinomyces spadiceus; Podosphaera xanthii

109b Bremia lactucae

110a – other causers

110a Bacteria, Actinomycetales: Rhodococcus fascians

15/11/2015