Ambrosia, ragweed, bitterweed, bloodweed

fam. Asteraceae

1a pinnately branched corridor, its main and secondary branches overlying the midrib and side veins; pupation outside the mine: Liriomyza strigata

1b corridor not or little branching, not associated with the leaf venation; pupation within the leaf in a, usually lower-surface, pupal chamber: Chromatomyia cf. syngenesiae

1c galls, etc => 100

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 Pucciniaceae: Puccinia xanthii

108 – smut fungi

108a Entylomataceae: Entyloma ambrosiae-maritimae, polysporum

109 – powdery and downy mildews

109a Erysiphaceae: Golovinomyces ambrosiae

109b Peronosporaceae: Plasmopara angustiterminalis

110 – other causers

110a Fungi, Albuginaceae: Pustula obtusata

110b Fungi, Protomycetaceae: Protomyces gravidus

14/09/2016