Plant Parasites of Europe

leafminers, galls and fungi

Roeslerstammia erxlebella parasite

Roeslerstammia erxlebella (Fabricius, 1787) copper ermel on Betula, Tilia Tilia x europaea, Assen, Amelterbos © Ben van As mine Oviposition at the leaf upperside. Mine a short, irregular, full depth corridor, always at the leaf margin, generally in the tip of the leaf. Frass broadly scattered. The older larva lives…

Trachys minutus parasite

…later to almost black) Tilia spec., Belgium, prov. Limburg, Zelem, Sint-Jansberg, 4.vii.2017 © Carina Van Steenwinkel this mine bears a treacherous similarity with the one of Roeslerstammia erxlebella, but the droplet, and the spotted larva make the difference mine Full depth blotch, invariably beginning at the leaf tip or the…

Betula host plants

Betula birch (For a dichotomous table for galls on Betula by Hans Roskam click here) Dichotomous table for leafminers 1a mine ends in a round or oval excision => 2 1b blotch without a preceding corridor (or this corridor < 3 mm) => 6 1c blotch preceded by a corridor…

Tilia host plants

…7 7a mine at the leaf margin (generally in the tip of the leaf): Roeslerstammia erxlebella 7b hooklike mine in a vein axil: Bucculatrix thoracella 8a lobe case: Coleophora violacea 8b tubular leaf case: Coleophora siccifolia 8c pistol case: Coleophora anatipenella Not included in the key: Bucculatrix albedinella; Coleophora ahenella….

Acer host plants

…=> 11) 2b corridor (almost completely) full depth => 3 3a corridor ≤ 1 cm, in a vein axil; egg shell at start of mine iridescent => 4 3b corridor ≤ 1 cm, near the margin of the leaf: Roeslerstammia erxlebella 3c corridor > 2 cm; egg shell shining =>…

June, 2017 news

New species for the Benelux Contarinia vincetoxici. New species for the Netherlands Roeslerstammia erxlebella. New host plant relation Acrocercops brongniardella: Quercus palustris. New pictures Aceria angustifoliae, heteronyx; Aecidium ranunculi-acris; Albugo candida, laibachii; Amauromyza verbasci; Andricus inflator, rhyzomae, seminationis; Aphis commensalis; Ceutorhynchus minutus; Chromatomyia horticola; Cinara pini; Coleophora spinella; Contarinia lonicerearum,…

genus Acer host plant genus

…leaf miner Nepticulidae Stigmella aceris leaf miner Nepticulidae Stigmella speciosa leaf miner doubtful Nepticulidae Etainia obtusa leaf miner rarely Roeslerstammiidae Roeslerstammia erxlebella leaf miner Tenthredinidae Heterarthrus fiora leaf miner Tenthredinidae Heterarthrus cuneifrons leaf miner Tenthredinidae Heterarthrus cypricus leaf miner Tenthredinidae Heterarthrus flavicollis leaf miner Tenthredinidae Heterarthrus imbrosensis leaf miner Tenthredinidae…

genus Betula host plant genus

…sakhalinella leaf miner Nepticulidae Stigmella tristis leaf miner Nepticulidae Ectoedemia minimella leaf miner Nepticulidae Ectoedemia occultella leaf miner Psychidae Apterona helicoidella leaf miner Roeslerstammiidae Roeslerstammia erxlebella leaf miner Tenthredinidae Scolioneura betuleti leaf miner Tenthredinidae Scolioneura vicina leaf miner Tenthredinidae Fenusa pumila leaf miner Tenthredinidae Fenusella nana leaf miner Tenthredinidae Heterarthrus…

genus Tilia host plant genus

…messaniella leaf miner Incurvariidae Incurvaria koerneriella leaf miner Incurvariidae Incurvaria masculella leaf miner Incurvariidae Incurvaria pectinea leaf miner Nepticulidae Stigmella tiliae leaf miner Roeslerstammiidae Roeslerstammia erxlebella leaf miner Tenthredinidae Parna apicalis leaf miner Tenthredinidae Parna tenella leaf vagrant Eriophyidae Aculus argenteae leaf vagrant Eriophyidae Aculus ballei stem gall Cecidomyiidae Contarinia…

Acer pseudoplatanus host plant species

…Caloptilia rufipennella leaf miner Gracillariidae Cameraria ohridella leaf miner Gracillariidae Phyllonorycter geniculella leaf miner Nepticulidae Stigmella speciosa leaf miner rarely Roeslerstammiidae Roeslerstammia erxlebella leaf miner Tenthredinidae Heterarthrus fiora leaf miner Tenthredinidae Heterarthrus cuneifrons leaf miner Tenthredinidae Heterarthrus leucomela leaf miner Tenthredinidae Hinatara excisa leaf vagrant Aphididae Drepanosiphum platanoidis leaf vagrant…

Tilia cordata host plant species

Roeslerstammia erxlebella leaf miner Tenthredinidae Parna apicalis leaf miner Tenthredinidae Parna tenella leaf vagrant Eriophyidae Aculus ballei stem gall Cecidomyiidae Contarinia ramicola stem gall Cecidomyiidae Contarinia tiliarum leaf vagrant Aphididae Eucallipterus tiliae stem scale Coccidae Parthenolecanium corni stem scale Diaspididae Chionaspis salicis stem scale Pseudococcidae Phenacoccus aceris stem scale Coccidae…

Tilia x europaea host plant species

…Eriophyes exilis leaf miner Bucculatricidae Bucculatrix thoracella leaf miner Nepticulidae Stigmella tiliae leaf miner Roeslerstammiidae Roeslerstammia erxlebella leaf miner Tenthredinidae Parna apicalis leaf miner Tenthredinidae Parna tenella stem gall Cecidomyiidae Contarinia tiliarum leaf gall spring generation Aphididae Patchiella reaumuri leaf leaf spot Dothideales Paraconiothyrium tiliae leaf vagrant Aphididae Eucallipterus tiliae…