Plant Parasites of Europe

leafminers, galls and fungi

Argyresthia dilectella parasite

Argyresthia dilectella Zeller, 1847 juniper argent mine The larva bores in the young shoot. Pupation external, in a white silken spinning. According to some authors the larva facultatively lives as a miner, but Friese states that this stems from confusion with A. abdominalis. host plants Cupressaceae, oligophagous Juniperus communis, sabina;…

Juniperus host plants

…June-end March; prothoracic 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 Not included in they key: Argyresthia reticulata; Ocnerostoma friesei….

genus Juniperus host plant genus

…miner Yponomeutidae Argyresthia cupressella leaf miner Yponomeutidae Argyresthia dilectella leaf miner Yponomeutidae Argyresthia reticulata leaf miner main Yponomeutidae Argyresthia trifasciata leaf pustule uredinia Pucciniales Gymnosporangium gaeumannii leaf vagrant Aphididae Cinara fresai leaf vagrant Aphididae Cinara juniperi leaf vagrant Eriophyidae Eriophyes junipereti leaf vagrant Eriophyidae Keiferella juniperici stem pustule telia Pucciniales…

Chamaecyparis host plants

…and anal shield black; pupation outside the mine: Argyresthia trifasciata 1b head and anal shield dark brown; pupation within the mine (infested twigs wilt and fall to the ground!): Argyresthia thuiella 1c galls, etc => Tables for all parasites per species Not included in the key: Argyresthia cupressella, Argyresthia dilectella….

Juniperus communis host plant species

…Trisetacus juniperinus leaf miner Yponomeutidae Argyresthia abdominalis leaf miner Yponomeutidae Argyresthia aurulentella leaf miner Yponomeutidae Argyresthia dilectella leaf miner Yponomeutidae Argyresthia reticulata leaf pustule uredinia Pucciniales Gymnosporangium gaeumannii leaf vagrant Aphididae Cinara juniperi leaf vagrant Eriophyidae Eriophyes junipereti leaf vagrant Eriophyidae Keiferella juniperici stem pustule telia Pucciniales Gymnosporangium amelanchieris stem…

genus Chamaecyparis host plant genus

…gall Cecidomyiidae Cupressatia siskiyou leaf leaf spot Xylariales Pestalotiopsis monochaetioides leaf miner Yponomeutidae Argyresthia cupressella leaf miner Yponomeutidae Argyresthia dilectella leaf miner Yponomeutidae Argyresthia thuiella leaf miner Yponomeutidae Argyresthia trifasciata leaf vagrant Eriophyidae Epitrimerus insons stem gall Rhizobiales Agrobacterium tumefaciens stem vagrant Aphididae Cinara cupressi stem vagrant Aphididae Cinara tujafilina…

Juniperus sabina host plant species

…senticetella leaf scale Diaspididae Carulaspis juniperi leaf bud gall Cecidomyiidae Etsuhoa sabinae leaf miner Yponomeutidae Argyresthia dilectella leaf vagrant Aphididae Cinara juniperi leaf vagrant Aphididae Cinara fresai stem pustule telia Pucciniales Gymnosporangium confusum stem pustule telia Pucciniales Gymnosporangium fusisporum stem pustule telia Pucciniales Gymnosporangium sabinae stem vagrant Aphididae Cinara cupressi…