Abies, fir

1a mined leaves not connected by spinning => 2

1b mined leaves connected by, or spun in, silk => 4

1c galls, etc. => 100

2a only one leaf is mined => 3

2b several leaves are mined; mine mostly in the upper half of a leaf: Argyresthia fundella

3a larva bores from the top down to the base, then penetrates the twig and continues living as a borer: Zeiraphera ratzeburgiana

3b larva partly mines a leaf, then uses this part as a case in which it lives freely: Nemophora associatella

4a larvae mine only when young (summer and autumn) => 5

4b larvae continue as miners after hibernation => 9

5a larva: head light brown: Cymolomia hartigiana

5b head dark brown or black => 6

6a larva with remarkably long setae: Batrachedra pinicolella

6b setae of normal length, rather short => 7

7a larva: pinacula concolorous with the rest of tne => 8

7b pinacula dark brown, dark green: Archips oporana

8a larva: bright green, like the young leaves: Dichelia histrionana

8b pale greenish: Epinotia pygmaeana

9a larva: all crochets of prolegs of equal length => 10

9b crochets differ in length: Epinotia subsequana

10a larva: rear margin of prothoracic plate with a dark median spot; yellowish green: Epinotia pusillana

10b prothoracic plate unmarked; bright green: Epinotia fraternana

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

102 – Acari

102a Phytoptidae: Nalepella triceras; Trisetacus floricolus

104 – Diptera

104a Cecidomyiidae: Cecidomyia pini; Paradiplosis abietispectinatae; Resseliella piceae

110 – other causers

110a Lepidoptera, Totricidae: Rhyacionia buoliana

110b Plantae, Santalaceae: Viscum album subsp. abietis

Not included in the key: Aphelia viburnana; Argyrotaenia ljungiana; Cedestis subfasciella (occurrence on this host needs confirmation); Chionodes electella; Ditula angustiorana; Exoteleia dodecella; Ocnerostoma friesei; Pseudohermenias abietana. See also Patocka (1960a).

11/10/2016

pub 11.x.2016 ยท mod 17.viii.2017