Juniperus, juniper

fam. Cupressaceae

1a tiny fleck mine; older larvae live free in spinning and don’t mine any more: Archips oporana

1b larger blotch or corridor mine => 2

1c galls, etc => 100

2a older larvae live free in a common web: Dichomeris marginella

2b larvae mine all their life => 3

3a mine with 1 or two holes (may be closed with silk) => 3

3b mine without holes => 4

4a larvae in March-April; prothoracal shield black with olive-brown centre; abdomen green, last segment reddish: Argyresthia aurulentella

4b larvae in half June-end March; prothoracal shield entirely black; abdomen green throughout: Argyresthia trifasciata

5a larva: prothoracic plate grey, spotted with black: Argyresthia abdominalis

5b prothoracic plate brown: Argyresthia dilectella

5c prothoracic plate not differentiated, green like the rest of the : Argyresthia cupressella

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 Eriophyidae: Eriophyes junipereti; Keiferella juniperici

102a Phytoptidae: Trisetacus juniperinus, quadrisetus

105 – Hemiptera

105a Aphididae: Gootiella ? alba, tremulae

105b Pseudococcidae: Planococcus vovae

Not included in they key: Aethes rutilana; Chionodes electella; Ocnerostoma friesei (occurence of both species on this host doubtful); Argyresthia reticulata.