Dryopteris, male-fern

Incl. Nephrodium

1a leaf tip rolled in: Chirosia betuleti

1b mine lower in the leaf, leaf remains flat => 2

1c galls, etc => 100

2a mine in midrib and/or petiole (occurence on this hostplant uncertain): Heptamelus ochroleucus

2b blotch mine in the leaf disk => 3

3a larva with recognisable head and feet, normally not a miner: Psychoides filicivora

3b larva a maggot, obligate miner: Chirosia histricina

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

104 – Diptera

104a Anthomyiidae: Chirosia betuleti

106 – Hymenoptera

106a Tenthredinidae: Aneugmenus coronatus

107 – rust fungi

107a Eocronartiaceae: Herpobasidium filicinum

107b Pucciniastraceae: Milesina carpatorum, kriegeriana

110 – other causers

110a Fungi, Synchytriaceae: Synchytrium athyrii

110bFungi, Taphrinaceae: Taphrina athyrii, filicina, fusca, vestergrenii

pub 1.x.2016 ยท mod 29.viii.2017