Plant Parasites of Europe

leafminers, galls and fungi

genus Cryptomeria

organ parasitic mode stage note taxonomic group parasite
dead wood borer Cerambycidae Neoclytus acuminatus
stem borer Cerambycidae Spondylis buprestoides
dead wood Cerambycidae Callidiellum rufipenne
stem kanker Sporocadaceae Seiridium cardinale
leaf leaf spot Cladosporiaceae Cladosporium laricis
leaf leaf spot Phyllostictaceae Phyllosticta philoprina
leaf vagrant adult Curculionidae Otiorhynchus apenninus
stem borer Curculionidae Phloeosinus aubei
stem borer Curculionidae Hypothenemus eruditus
stem borer Curculionidae Xyleborinus saxesenii
leaf scale Diaspididae Carulaspis minima
leaf scale Diaspididae Lepidosaphes newsteadi
leaf leaf spot Xylariales Pestalotiopsis funerea
leaf vagrant Aphididae Cinara fresai


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.


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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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 6.vii.2023