Stigmella alnetella (Stainton, 1856) silver-barred alder pigmy Alnus glutinosa, Orvelte mine Oviposition at the leaf lower surface. Then a full depth slender, corridor, often following a vein or the leaf margin for some distance. Frass in a continuous central line that nowhere is wider than one third of the corridor…
…Stigmella rubescens (Heinemann, 1871). notes It is not well possible to definitely discriminate a single mine from the one of Stigmella alnetella, unless a larva is available. Erik van Nieukerken (pers. comm.) found the mine depicted below on Birch. The mine resembles St. luteella, but lacks the characteristic beginning. A…
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…
…miner rarely Nepticulidae Stigmella alnetella leaf miner Nepticulidae Stigmella betulicola leaf miner Nepticulidae Stigmella confusella leaf miner Nepticulidae Stigmella continuella leaf miner Nepticulidae Stigmella lapponica leaf miner Nepticulidae Stigmella luteella leaf miner Nepticulidae Stigmella naturnella leaf miner Nepticulidae Stigmella sakhalinella leaf miner Nepticulidae Stigmella tristis leaf miner Nepticulidae Ectoedemia minimella…
…larva pale yellow, including the prosternum: Stigmella alnetella 27a hole in the mine not neatly circular; case helicoidal: Apterona paludella 27b hole circular; case more or less tubular => 28 28a case untidy, resembles a dead leaf: C. siccifolia 28b case different => 29 29a pistol case: Coleophora anatipenella 29b…
…Jeanneau, 1972a). Scaptomyza flava part of a corridor, filled with callus Opened mine with frass grains, surrounded by beginning callus tissue. This foto shows that callus formation is stimulated by the presence of frass. Phytomyza spinaciae Also Lepidoptera mines may contain developing callus. Stigmella alnetella on Alder: oldest part of…
…Phyllonorycter strigulatella leaf miner Gracillariidae Phyllonorycter suaveolentis leaf miner Gracillariidae Phyllonorycter vulturella leaf miner Heliozelidae Heliozela resplendella leaf miner Incurvariidae Incurvaria pectinea leaf miner Lyonetiidae Leucoptera malifoliella leaf miner Nepticulidae Stigmella alnetella leaf miner Nepticulidae Stigmella glutinosae leaf miner rarely Nepticulidae Ectoedemia minimella leaf miner Psychidae Apterona paludella leaf miner…
…malifoliella leaf miner Nepticulidae Stigmella alnetella leaf miner Nepticulidae Stigmella glutinosae leaf miner Tenthredinidae Fenusa dohrnii leaf miner Tenthredinidae Heterarthrus vagans leaf pustule uredinia telia Pucciniales Melampsoridium betulinum leaf pustule uredinia telia main Pucciniales Melampsoridium hiratsukanum leaf vagrant Diptilomiopidae Diptacus sacramentae leaf vagrant Eriophyidae Phyllocoptes punctatus leaf vagrant Eriophyidae Tegonotus…
…Taphrina sadebeckii leaf miner doubtful Gracillariidae Phyllonorycter froelichiella leaf miner Gracillariidae Phyllonorycter rajella leaf miner Gracillariidae Phyllonorycter stettinensis leaf miner Nepticulidae Stigmella alnetella leaf miner Nepticulidae Stigmella glutinosae leaf miner Tenthredinidae Fenusa dohrnii leaf miner Tenthredinidae Heterarthrus vagans leaf pustule uredinia telia Pucciniales Melampsoridium betulinum leaf pustule uredinia telia Pucciniales…
…leaf miner Incurvariidae Incurvaria pectinea leaf miner Nepticulidae Stigmella alnetella leaf miner Nepticulidae Stigmella glutinosae leaf miner Tenthredinidae Fenusa dohrnii leaf miner Tenthredinidae Heterarthrus vagans leaf miner Yponomeutidae Argyresthia brockeella leaf miner Yponomeutidae Argyresthia goedartella leaf pustule uredinia telia Pucciniales Melampsoridium betulinum leaf pustule uredinia telia Pucciniales Melampsoridium hiratsukanum leaf…
…leaf miner rarely Nepticulidae Ectoedemia minimella leaf miner Nepticulidae Stigmella alnetella leaf miner Nepticulidae Stigmella glutinosae leaf miner Tenthredinidae Fenusa dohrnii leaf miner Tenthredinidae Fenusa pumila leaf miner Tenthredinidae Heterarthrus vagans leaf miner Tenthredinidae Scolioneura betuleti leaf pustule uredinia telia Pucciniales Melampsoridium betulinum stem vagrant Aphididae Clethrobius comes stem vagrant…
