great burnet

synonym: Pimpinella officinalis; Poterium officinale; Sanguisorba carnea, major, microcephala

organ parasitic mode stage note taxonomic group parasite
leaf vagrant larva Curculionidae Pelenomus commari
leaf gall larva Attelabidae Apoderus erythropterus
flower vagrant adult Rhynchitidae Auletobius sanguisorbae
leaf bud gall Eriophyidae Aceria sanguisorbae
leaf down Erysiphales Podosphaera ferruginea
leaf down Peronosporales Peronospora sanguisorbae
leaf leaf spot Helotiales Leptotrochila sanguisorbae
leaf gall Cecidomyiidae Dasineura sanguisorbae
leaf miner Agromyzidae Agromyza idaeiana
leaf miner Nepticulidae Ectoedemia angulifasciella
leaf miner Nepticulidae Stigmella anomalella
leaf miner Nepticulidae Stigmella centifoliella
leaf miner Nepticulidae Stigmella poterii
leaf miner Nepticulidae Stigmella sanguisorbae
leaf miner Tischeriidae Coptotriche szoecsi
leaf oviposition scar Tenthredinidae Empria testaceipes
leaf pustule Chytridiales Synchytrium aureum
leaf pustule aecia uredinia telia Pucciniales Phragmidium sanguisorbae
leaf pustule aecia telia Pucciniales Xenodochus carbonarius
leaf vagrant Triozidae Bactericera modesta
root collar vagrant Aphididae Aphis sanguisorbae
leaf vagrant Aphididae Acyrthosiphon malvae poterii

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.

 

mod 16.vii.2019