Scrophularia, figwort

fam. Scrophulariaceae

1a mine upper- or lower-surface; larva a maggot => 2

1b full depth corridor; larva with chitinised head: Apteropeda orbiculata

1c galls, etc. => 100

2a large, pale, upper-surface blotch: Amauromyza verbasci

2b corridor mine => 3

3a corridor pinnately branched, main branch overlying the midrib: Liriomyza strigata

3b corridor free from the midrib, not pinnate => 4

4a puparium in the mine; frass in isolated grains: Chromatomyia horticola

4b pupation outside the mine; frass in thread fragments: 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

101 – Nematoda

101a Anguinidae: Ditylenchus dipsaci

103 – Coleoptera

103a Curculionidae: Rhinusa neta

105 – Hemiptera

105a Aphididae: Aphis verbasci

105b Asterolecaniidae: Planchonia arabidis

107 – rust fungi

107a Pucciniaceae: Uromyces scrophulariae

109 – powdery and downy mildews

109a Erysiphaceae: Golovinomyces orontii; Leveillula taurica; Podosphaera phtheirospermi, xanthii

109b Peronosporaceae: Peronospora sordida

110 – other causers

110a Fungi, Capnodiales: Ramularia carneola

110b Fungi, Synchytriaceae: Synchytrium aureum

110c ? on Scrophularia vernalis

Not included in the key: Cnephasia asseclana, incertana; Nothris congressariella.

11/12/2015