Rudbeckia, coneflower, blackeyed susan

fam. Asteraceae

1a several small, roundish, full depth, mines in a leaf; larva with chitinised head: Phytosciara macrotricha

1b a single, upper- or lower-surface corridor of several cm length; larva a maggot => 2

1c galls, etc => 100

2a corridor pinnately branched, main and side branches on top of midrib and side veins; pupation outside the mine: Liriomyza strigata

2b corridor little, irregularly, branched; pupation within the mine, in a, generally lower-surface, pupal chamber: Chromatomyia cf syngenesiae

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 Meloidogynidae: Meloidogyne hapla

109 – powdery and downy mildews

109a Erysiphaceae: Golovinomyces ambrosiae

23/11/2015

pub 23.xi.2015 ยท mod 6.viii.2017