Plant Parasites of Europe

leafminers, galls and fungi

Calamagrostis canescens

purple small-reed

synonym: Calamagrostis lanceolata

organparasitic modestagenotetaxonomic groupparasite
rootvagrantChrysomelidaeNeocrepidodera interpunctata
leafvagrantEriophyidaeAbacarus acutatus
leafleaf spotincertae sedisMastigosporium rubricosum
flowergallAnguinidaeAnguina agrostis
leaf budgallCecidomyiidaeMayetiola lanceolatae
leafdownErysiphales ErysiphaceaeBlumeria graminis
leafgallAnguinidaeAnguina graminis
leafgallAnguinidaeSubanguina graminophila
leafgallEriophyidaeAceria tenuis
leafminerAgromyzidaeCerodontha beigerae
leafminerAgromyzidaeCerodontha calamagrostidis
leafminerdoubtfulAgromyzidaeCerodontha imbuta
leafminerAgromyzidaeCerodontha incisa
leafminerAgromyzidaeCerodontha pygmaea
leafminerAgromyzidaeCerodontha zoerneri
leafminerAgromyzidaeChromatomyia nigra
leafminerAgromyzidaeLiriomyza flaveola
leafpustuleCantharellalesCeratorhiza rhizodes
leafpustuleuredinia teliaPuccinialesPuccinia coronata
leafpustuleuredinia teliaPuccinialesPuccinia pygmaea
leafpustuleUstilaginalesUstilago calamagrostidis
leafpustuleUstilaginalesUstilago scrobiculata
leafstripeMicrobotryalesUstilentyloma brefeldii
leafstripeUstilaginalesUstilago striiformis
stemgallCecidomyiidaeHybolasioptera fasciata
stemgallCecidomyiidaeLasioptera calamagrostidis
stemgallCecidomyiidaeMayetiola culacera
stemgallEurytomidaeTetramesa calamagrostidis
root collargallCecidomyiidaeMayetiola bifida
leafvagrantmainAphididaeSchizaphis dubia
leafvagrantAphididaeDiuraphis calamagrostis

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 22.vi.2020