Plant Parasites of Europe

leafminers, galls and fungi

Stigmella samiatella parasite

Stigmella samiatella (Zeller, 1839) chestnut pigmy on Castanea, Quercus Castanea sativa, Tilburg, de Kaaistoep, 19.ix.2020 © Paul van Wielink Castanea sativa, Bergen op Zoom, 31.vii.2012 (egg at the underside, exit slit at upper side of the leaf) Quercus robur, Naardensebos, 11.viii.2002 mine Oviposition mostly at the leaf underside, almost always close to a thick vein. […]

Stigmella samiatella larva parasite

Stigmella samiatella Castanea sativa, Malden; leg Henk ten Holt; pronotum with dorsal sclerite (also the head capsule is visible, withdrawn into the prothorax). left: detail of the spinulation; right: segment 10, dorsal (without a group of spinules in front of seta D). Larva pale yellow (Borkowski, 1972b). The morphology has been described and illustrated in […]

genus Castanea host plant genus

organ parasitic mode stage note taxonomic group parasite stem vagrant Flatidae Metcalfa pruinosa stem scale Pseudococcidae Mirococcus ostiaplurimus leaf scale Coccidae Coccus hesperidum stem scale Coccidae Parthenolecanium persicae stem scale Coccidae Saissetia oleae dead wood borer Cerambycidae Niphona picticornis dead wood borer Cerambycidae Pogonocherus fasciculatus unknown unknown Curculionidae Pseudomeira obscurella leaf vagrant adult Curculionidae Dodecastichus […]

genus Quercus host plant genus

organ parasitic mode stage note taxonomic group parasite inquiline Cynipidae Synergus subterraneus dead wood borer Cerambycidae Stenopterus similatus dead wood borer Cerambycidae Stenopterus creticus inquiline Cynipidae Synergus dacianus leaf scale Pseudococcidae Heliococcus bohemicus stem scale Pseudococcidae Trionymus newsteadi dead wood borer Cerambycidae Ropalopus lederi dead wood borer Cerambycidae Stictoleptura picticornis dead wood borer Cerambycidae Grammoptera […]

Castanea sativa host plant species

sweet chestnut synonym: Castanea vesca, vulgaris organ parasitic mode stage note taxonomic group parasite stem scale Pseudococcidae Mirococcus ostiaplurimus leaf scale Coccidae Coccus hesperidum stem scale Coccidae Parthenolecanium persicae stem scale Coccidae Saissetia oleae dead wood borer Cerambycidae Prinobius myardi stem vagrant Flatidae Metcalfa pruinosa leaf vagrant adult Curculionidae Dodecastichus dalmatinus unknown unknown Curculionidae Heteromeira […]

Quercus castaneifolia host plant species

chestnut-leaved oak organ parasitic mode stage note taxonomic group parasite leaf gall Cynipidae Andricus crispator stem gall agamous generation Cynipidae Pseudoneuroterus macropterus leaf bud gall Cynipidae Synophrus politus dead wood borer Cerambycidae Prionus coriarius stem borer Buprestidae Agrilus hastulifer stem borer Curculionidae Scolytus intricatus stem borer Curculionidae Xyleborus dryographus stem borer Curculionidae Xyleborus monographus stem […]

Quercus cerris host plant species

turkey oak synonym: Quercus austriaca, dentata, lanuginosa Lam., pseudocerris, variegata organ parasitic mode stage note taxonomic group parasite inquiline Cynipidae Synergus dacianus scale Pseudococcidae Puto israelensis leaf bud gall Cynipidae Dryocosmus mayri stem gall agamous generation Cynipidae Dryocosmus cerriphilus leaf bud gall sexual generation Cynipidae Andricus conglomeratus inquiline Cynipidae Ceroptres cerri inquiline Cynipidae Synergus tibialis […]

Quercus frainetto host plant species

synonym: Quercus apennina, conferta, hungarica organ parasitic mode stage note taxonomic group parasite inquiline Cynipidae Saphonecrus connatus leaf bud gall agamous generation Cynipidae Andricus conglomeratus leaf gall sexual generation Cynipidae Andricus curvator leaf bud gall Cynipidae Andricus mitratus root gall agamous generation Cynipidae Andricus quercusradicis fruit gall Cynipidae Andricus seckendorffi stem borer sexual generation Cynipidae […]

Quercus petraea host plant species

sessile oak synonym: Quercus borealis Gand., sessiliflora, sessilis organ parasitic mode stage note taxonomic group parasite inquiline Cynipidae Synergus reinhardi leaf bud gall agamous generation Cynipidae Andricus conglomeratus stem gall agamous generation Cynipidae Dryocosmus cerriphilus leaf bud gall Cynipidae Andricus bakrachus fruit gall sexual generation Cynipidae Andricus grossulariae leaf bud gall agamous generation Cynipidae Andricus […]

Quercus pubescens host plant species

synonym: Quercus heterophylla, humilis Mill., lanuginosa (Lam.) Thuill., pseudo-aegilops, pseudoaegilopsis, virgiliana organ parasitic mode stage note taxonomic group parasite inquiline Cynipidae Synergus reinhardi inquiline Cynipidae Synergus crassicornis leaf bud gall agamous generation Cynipidae Andricus conglomeratus leaf bud gall agamous generation Cynipidae Andricus truncicola leaf gall Cynipidae Cynips korsakovi inquiline Cynipidae Synergus flavipes inquiline Cynipidae Synergus […]

Quercus robur host plant species

pedunculate oak synonym: Quercus aesculus, concordia, fastigiata, filicifolia, granbyana, haas, laciniata, lanuginosa Beck., pedunculata, pendula, purpurea, pyramidalis organ parasitic mode stage note taxonomic group parasite inquiline Cynipidae Synergus umbraculus inquiline Cynipidae Synergus hayneanus inquiline Cynipidae Synergus reinhardi leaf bud gall agamous generation Cynipidae Andricus conglomeratus leaf bud gall Cynipidae Andricus curtisii leaf bud gall agamous […]

Quercus robur subsp. pedunculiflora host plant species

synonym: Quercus haas var. atrichoclados, longipes, pedunculiflora organ parasitic mode stage note taxonomic group parasite leaf bud gall Cynipidae Andricus caliciformis stem scale Coccidae Eulecanium tiliae stem borer Curculionidae Magdalis flavicornis leaf hidden Peleopodidae Carcina quercana leaf bud gall Cynipidae Andricus galeatus fruit gall agamous generation Cynipidae Andricus cecconii leaf bud gall Cynipidae Andricus sternlichti […]

Quercus host plants

Quercus oak (For a dichotomous table for galls on Quercus by Hans Roskam click here) Dichotomous table for leafminers 1a mine ending with an excision => 2 1b blotch, may have a short, quickly widening preceding corridor => 7 1c blotch, preceded by a long, slender initial corridor => 15 1d corridor from start to […]

Castanea host plants

Castanea sweet chestnut (For a dichotomous table for galls on Castanea by Hans Roskam click here) Dichotomous table for leafminers 1a mine with an excision, either throughout, or only of the upper epidermis => 2 1b blotch, with a quickly widening preceding corridor => 3 1c a narrow corridor from start to end => 8 […]

Practical introduction

Practical collecting and storing For collecting in the field little more is needed than a really good magnifying lens and a fair number of small plasic bags. It is a good idea to include a flower or another characteristic plant part along with the mine, to remember at home the plant species the mine was […]

October, 2020 news

new pictures Aceria obiones; Adelges tardus; Andricus quercuscalicis; Aphalara freji; Callisto denticulella; Caloptilia cf populetorum; Cameraria ohridella; Chromatomyia aprilina; Coptotriche marginea; Diplocarpon mespili; Dyseriocrania subpurpurella; Gilletteella cooleyi; Jaapiella jaapiana; Parornix carpinella; Peronospora tabacina; Phyllonorycter connexella; Phytomyza lycopi; Psyllopsis fraxini; Scolioneura betuleti; Siphoninus phillyreae; Stigmella aceris, samiatella; Taphrina farlowii.