Plant Parasites of Europe

leafminers, galls and fungi

Pinus strobus

weymouth pine

organ parasitic mode stage note taxonomic group parasite
stem kanker Nectriaceae Thyronectria strobi
leaf vagrant Lygaeidae Gastrodes grossipes
leaf vagrant Miridae Atractotomus magnicornis
leaf vagrant adult doubtful Curculionidae Polydrusus pilosulus
predator Cecidomyiidae Lestodiplosis pini
scale Diaspididae Chionaspis kabyliensis
leaf vagrant Geometridae Bupalus piniaria
leaf vagrant Geometridae Macaria liturata
leaf vagrant Sphingidae Sphinx pinastri
flower borer Torymidae Megastigmus atedius
stem borer Curculionidae Ips amitinus
stem borer Curculionidae Pityogenes bidentatus
stem borer Curculionidae Pityogenes chalcographus
stem borer rarely Curculionidae Ips duplicatus
stem borer Curculionidae Pityophthorus pityographus
stem borer Curculionidae Crypturgus hispidulus
stem borer Curculionidae Crypturgus pusillus
stem borer Curculionidae Polygraphus grandiclava
stem borer Curculionidae Hylurgops palliatus
stem borer Curculionidae Tomicus minor
stem borer Curculionidae Crypturgus cinereus
stem borer Curculionidae Dryocoetes autographus
stem borer Curculionidae Xyleborinus saxesenii
stem borer Curculionidae Xylosandrus germanus
stem borer Curculionidae Pityophthorus lichtensteinii
stem borer Curculionidae Gnathotrichus materiarius
stem borer Curculionidae Orthotomicus laricis
stem borer Curculionidae Trypodendron lineatum
stem gall Curculionidae Tomicus piniperda
stem borer Curculionidae Hylurgus ligniperda
stem borer Curculionidae Pissodes piniphilus
leaf vagrant Diprionidae Diprion similis
leaf vagrant Diprionidae Diprion pini
leaf hidden Pamphilidae Acantholyda posticalis
leaf hidden Pamphilidae Acantholyda erythrocephala
stem borer Pyralidae Dioryctria sylvestrella
stem borer Tortricidae Cydia coniferana
leaf vagrant Phytoptidae Setoptus strobacus
leaf vagrant Eriophyidae Platyphytoptus pineae
leaf scale Diaspididae Leucaspis pusilla
leaf vagrant summer generation Pineus orientalis
leaf gall Adelgidae Pineus pini
leaf vagrant rarely Aphididae Eulachnus cembrae
leaf vagrant Aphididae Eulachnus rileyi
stem gall Phytoptidae Trisetacus pini
stem gall aecia Pucciniales Cronartium ribicola
stem oviposition scar Lestidae Lestes viridis
stem vagrant Adelgidae Pineus strobi
leaf vagrant Aphididae Essigella californica

Organ

the part of the plant that most conspicuously is hit by the parasite

all buds: both flower buds and leaf buds
flower: also inflorescence
leaf: also needle, phyllodium, petiole
leaf bud: also unfolding young leaf
fruit: also seed
root: also root stock, runners
root collar: also the lowest part of the stem
stem: also culm, the lower part of the peduncle, in grasses also leaf sheath
systemic: the entire above-ground plant.

PARASITIC MODE

borer: larva living internally, almost no outwards signs
down: 0.5-2 mm high fungal down
film: very thin cover of fungal tussue
gall: swelling and/or malformation
grazer: feeding at the outside of the plant
leaf spot: discoloured, often ± necrotic, generally not galled, sign of a fungus infection
miner-borer: larve initially makes a mine, lives as a borer later
pustule: plug of fungal tissue, generally brown-black and < 2 mm
stripe: longitudinal line of fungal tissue in a grass leaf
vagrant: (aphids, mites) living freely on the plant, at higher densitiy causing malformations.

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IMPORTANT

The host plant spectre of a parasite is rarely known exhaustively; this applies in particular at the species level. It is advisable therefore to check at least also the list of all parasites of this genus.

 

Last modified 2.ix.2022