Larix, larch

fam. Pinaceae

1a fleck mine => 2

1b small gallery => 4

1c larva makes a mine in the top part of a needle; a hole (closed with silk) is made about a cm below the tip, from there the larva works upwards; after hibernation the larva lives free: Exoteleia dodecella

1d galls, etc => 100

2a larva mines from a case: Coleophora laricella

2b larva mines from between a few, more or loosely spun needles => 3

3a larva: light brown, with a little darker brown pinacula: Spilonota laricana

3b greenish with brownish black pinacula: Archips oporana

4a associated with an egg in the shape of a fruitcake: Coleophora laricella

4b egg, if at all visible, flat, scale-like; normally no leaf miners: Aphelia viburnana & Argyrotaenia ljungiana

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 laricis

104 – Diptera

104a Cecidomyiidae: Dasineura kellneri; Resseliella skuhravyorum

105 – Hemiptera

105a Adelgidae: Adelges laricis; Sacchiphantes segregis, viridis

107 – roesten

107a Melampsoraceae: Caeoma laricis

107b Pucciniastraceae: Melampsoridium betulinum, hiratsukanum

110 – andere veroorzakers

110a Fungi, Hyaloscyphaceae: Lachnellula willkommii

110b Lepidoptera, Tortricidae: Cydia grunertiana, millenniana

110c Lepidoptera, Yponomeutidae: Argyresthia tatrica

10/09/2016