Datura, thorn-apple

fam. Solanaceae

1a mine small; larve with recognisable head; only the young larvae do mine: Cnephasia asseclana

1b large corridor or blotch; larvae, maggots, mine till just before pupation => 2

1c galls, etc => 100

2a upper- or partly lower-surface corridor: Liriomyza bryoniae

2b blotch mine: Pegomya hyoscyami

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 Heteroderidae: Globodera rostochiensis

102 – Acari

102a Eriophyidae: Aculops lycopersici

109 – powdery and downy mildews

109a Erysiphaceae: Golovinomyces orontii; Leveillula taurica

110 – other causers

110a Bacteria, Agrobacteriaceae: Agrobacterium tumefaciens

Not included in the key: Liriomyza trifolii; Tuta absoluta.

20/02/2017