Digitalis, foxglove

fam. Plantaginaceae

1a mine large; larva, white or pale, mines till just before pupation => 2

1b mine small; larva, darkly coloured, mines only briefly, lives later free among spun leaves => 3

1c galls, etc => 100

2a upper of lower-surface corridor; frass in strings; larva a maggot: Phytomyza digitalis

2b full depth corridor or blotch; frass absent or in irregular grains; larva with chitinised head: Apteropeda orbiculata

3a larva: pinacula colourless (the bases of the setae themselves are black) : Cnephasia incertana

3b pinacula black: Cnephasia asseclana

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 Agromyzidae: Napomyza lateralis

109 – powdery and downy mildews

109a Erysiphaceae: Golovinomyces orontii; Leveillula taurica

109b Peronosporaceae: Peronospora digitalis

110 – other causers

110a Fungi, Hyphomycetes: Ramularia variabilis

17/08/2016