Petunia

fam. Solanaceae

1a pupation within the mine, in a, usually lower-surface, pupal chamber; frass in isolated grains: Chromatomyia horticola

1b pupation outside the mine; frass in strings => 2

1c galls, etc => 100

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

2b corridor less, and not pinnately, branched, not associated with the leaf venation: 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

102 – Acari

102a Eriophyidae: Aculops lycopersici

109 – powdery and downy mildews

109a Erysiphaceae: Euoidium longipes; Golovinomyces orontii; Podosphaera solanacearum

109b Peronosporaceae: Peronospora tabacina; Phytophthora infestans

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

30/05/2017