Filago, cottonrose, cudweed, pigmy cudweed, rabbit tobacco

Incl. Evax, Logfia.

1a mine full depth; larva with thoracic feet and chitinised head: Digitivalva reticulella

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

1c galls, etc => 100

2a pupation within the mine, in an, usually lower-surface, pupal chamber: Chromatomyia cf syngenesiae

2b pupation external => 3

3a frass mostly in separate granules; in fresh mines the primary feeding lines conspicuous: Phytomyza kyffhusana

3b frass mostly in strings; primary feeding lines invisible: Liriomyza strigata

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

103 – Coleoptera

103a Apionidae: Acentrotypus brunnipes

104 – Diptera

104a Tephritidae: Tephritis praecox

105 – Hemiptera

105a Aphididae: Pemphigus populinigrae

109 – powdery and downy mildews

109a Erysiphaceae: Leveillula taurica; Neoërysiphe gnaphalii

110 – other causers

110a Fungi, Albuginaceae: Pustula obtusata

31/07/2016