synonym: Betula kamtschatica, oycowiensis Besser, socolowii organ parasitic mode stage note taxonomic group parasite leaf leaf spot Dothideomycetes Asteromella maculiformis predator Mycosphaerellaceae Ramularia uredinis leaf vagrant Noctuidae Acronicta auricoma leaf vagrant doubtful Lasiocampidae Eriogaster arbusculae leaf vagrant Lasiocampidae Lasiocampa quercus leaf vagrant Tetranychidae Tetranychus urticae leaf vagrant Chrysomelidae Altica aenescens leaf vagrant Argidae Arge dimidiata […]
dwarf birch organ parasitic mode stage note taxonomic group parasite stem scale Coccidae Pulvinaria vitis leaf hidden Yponomeutidae Paraswammerdamia lapponica leaf leaf spot Venturiaceae Venturia glacialis leaf leaf spot Venturiaceae Venturia ditricha leaf vagrant Miridae Globiceps juniperi leaf vagrant Miridae Globiceps salicicola leaf vagrant Miridae Psallus graminicola leaf hidden younger larva Hesperiidae Pyrgus centaureae leaf […]
silver birch synonym: Betula aetnensis, glutinosa Wallroth, oycowiensis Rchb., verrucosa organ parasitic mode stage note taxonomic group parasite leaf hidden Tortricidae Metendothenia atropunctana leaf hidden Pyralidae Cryptoblabes bistriga leaf hidden Tortricidae Epinotia brunnichana leaf miner Roeslerstammiidae Roeslerstammia erxlebella leaf hidden Gelechiidae Carpatolechia alburnella stem borer Xiphydryiidae Xiphydria betulae systemic film Peronosporaceae Phytophthora cactorum leaf pustule […]
downy birch synonym: Betula alba, carpatica, celtiberica, concinna, coriacea, lenta, murithii, odorata, populifolia, pubescens subsp. carpatica + czerepanovii + odorata + tortuosa, tortuosa organ parasitic mode stage note taxonomic group parasite flower borer Tortricidae Epinotia immundana leaf hidden Tortricidae Archips podana leaf hidden Tortricidae Epinotia brunnichana stem scale Coccidae Pulvinaria vitis unknown unknown Tortricidae Epinotia […]
organ parasitic mode stage note taxonomic group parasite leaf hidden Tortricidae Gypsonoma imparana leaf hidden Tortricidae Ancylis uncella leaf vagrant Pyralidae Matilella fusca leaf hidden Tortricidae Acleris roscidana leaf hidden Tortricidae Metendothenia atropunctana leaf hidden Pyralidae Cryptoblabes bistriga leaf hidden Tortricidae Epinotia brunnichana leaf hidden Gelechiidae Carpatolechia alburnella leaf hidden Yponomeutidae Paraswammerdamia lapponica leaf vagrant […]
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 => 23 1d corridor from […]
Phylloporia bistrigella (Haworth, 1828) striped leaf-cutter Betula pubescens, Belgium, prov. Luxembourg, Tenneville © Jean-Yves Baugnée living larva Betula pubescens, Belgium, prov. Namur, Mettet © Jean-Yves Baugnée Betula pubescens, Britain, Fleet © Rob Edmunds Betula pubescens, Nieuw-Bergen mine Long, very narrow corridor that may wind several times through the leaf, freely crossing the midrib. The corridor […]
