Ricinus, castor oil plant

fam. Euphorbiaceae

1a Narrow gallery, abruptly widening into a blotch; larva with well-recognisable head: Stomphastis conflua

1b gallery not widened into a blotch; larva a maggot => 2

1c galls, etc => 100

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

2b gallery not or only little branched; its course not determined by the 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

107 – rust fungi

107a Melampsoraceae: Melampsora ricini

109 – powdery and downy mildews

109a Erysiphaceae: Golovinomyces orontii; Leveillula ricini

Not included in the key: Liriomyza trifolii.

07/12/2016