Phaseolus, bean

1a puparium in the mine, in a, usually lower-surface, pupal chamber: Chromatomyia horticola

1b before pupation the larva leaves the mine through a semicircular exit slit => 2

1c galls, etc => 100

2a corridor pinnately branched, main axis overlying the midrib: Liriomyza strigata

2b corridor little branched, not pinnate, not associated with the midrib => 3

3a corridor upper-surface; frass in a broad, central green band; larva: rear spiraculum with 3 papillae: Liriomyza congesta

3b corridor often partly lower-surface; frass without green band, in black grains and thread fragments; rear spiraculum with 7-9 papillae: 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

101b Heteroderidae: Heterodera goettingiana, trifolii

101c Meloidogynidae: Meloidogyne hapla

107 – rust fungi

107a Pucciniaceae: Uromyces appendiculatus

109 – powdery and downy mildews

109a Erysiphaceae: Erysiphe pisi var. pisi; Leveillula papilionacearum; Podosphaera xanthii

110 – other causers

110a Bacteria, Actinomycetales: Rhodococcus fascians

110a Bacteria, Pseudomonadales: Pseudomonas savastanoi pv phaseolicola

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

20/02/2017