S. Bacher publications

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Franz Essl, Sven Bacher, Piero Genovesi, Philip E Hulme, Jonathan M Jeschke, Stelios Katsanevakis, Ingo Kowarik, Ingolf Kühn, Petr Pyšek, Wolfgang Rabitsch, Stefan Schindler, Mark van Kleunen, Montserrat Vilà, John R U Wilson, David M Richardson (2018) Which Taxa Are Alien? Criteria, Applications, and Uncertainties, BioScience, 68, 496–509, https://doi.org/10.1093/biosci/biy057
Nentwig W, Bacher S, Kumschick S, Pyšek P & Vilà M (2018). More than “100 worst” alien species in Europe. Biological Invasions, 20, 1611–1621. (online https://doi.org/10.1007/s10530-017-1651-6)
Galanidi, M., Zenetos, A., & Bacher, S. (2018). Assessing the socio-economic impacts of priority marine invasive fishes in the Mediterranean with the newly proposed SEICAT methodology. Mediterranean Marine Science.  (online: http://dx.doi.org/10.12681/mms.15940)
Nsikani, M. M., van Wilgen, B. W., Bacher, S., & Gaertner, M. (2018). Re-establishment of Protea repens after clearing invasive Acacia saligna: Consequences of soil legacy effects and a native nitrophilic weedy species. South African Journal of Botany, 116, 103-109. (online: https://doi.org/10.1016/j.sajb.2018.02.396)

Fragnière Y, Forster B, Hölling D, Wermelinger B & Bacher S (2018). A local risk map using field observations of the Asian longhorned beetle to optimize monitoring activities. Journal of Applied Entomology (online: http://onlinelibrary.wiley.com/doi/10.1111/jen.12491/epdf)

Seebens H et al. (49 other authors including Bacher S) (2018). Global rise in emerging alien species results from increased accessibility of new source pools. PNAS  115: 2407-2412 (online: doi: 10.1073/pnas.1719429115).


Bacher S, Blackburn TM, Essl F, et al. (2018). Socio-economic impact classification of alien taxa (SEICAT). Methods in Ecology & Evolution 9: 159-168 (online https://doi.org/10.1111/2041-210X.12844.


Helen E. Roy, Wolfgang Rabitsch, Riccardo Scalera, Alan Stewart, Belinda Gallardo, Piero Genovesi, Franz Essl, Tim Adriaens, Sven Bacher, Olaf Booy, Etienne Branquart, Sarah Brunel, Gordon Howard Copp, Hannah Dean, Bram D'hondt, Melanie Josefsson, Marc Kenis, Marianne Kettunen, Merike Linnamagi, Frances Lucy, Angeliki Martinou, Niall Moore, Wolfgang Nentwig, Ana Nieto, Jan Pergl, Jodey Peyton, Alain Roques, Stefan Schindler, Karsten Schönrogge, Wojciech Solarz, Paul D. Stebbing, Teodora Trichkova, Sonia Vanderhoeven, Johan van Valkenburg, Argyro Zenetos (2018). Developing a framework of minimum standards for the risk assessment of alien species. Journal of Applied Ecology, 55(2), 526-538. (online https://doi.org/10.1111/1365-2664.13025)



Latombe G, Pyšek P, Jeschke JM, Blackburn TM, Bacher S, Capinha C, Costello MJ, Fernandez M, Gregory RD, Hobern D, Hui C, Jetz W, Kumschick S, McGrannachan C, Pergl J, Roy HE, Scalera R, Squires ZE, Wilson JRU, Winter M, Genovesi P & McGeoch MA (2017). A vision for global monitoring of biological invasions.  Biological Conservation 213B, 295-308 (doi: 10.1016/j.biocon.2016.06.013)

Eckard S, Bacher S, Enkerli J & Grabenweger G (2017). A simple in vitro method to study interactions between soil insects, entomopathogenic fungi, and plant extracts. Entomologia Experimentalis et Applicata 163: 315-327 (online DOI: 10.1111/eea.12578).

Rogge SA, Mayerhofer J, Enkerli J, Bacher S & Grabenweger G (2017). Preventive application of an entomopathogenic fungus in cover crops for wireworm control. BioControl 62: 613-613 (online doi:10.1007/s10526-017-9816-x).

Hulme PE, Bacher S, Kenis M, Kühn I, Pergl J, Pyšek P, Roques A & M Vilà M (2017). Blurring alien introduction pathways risks losing the focus on invasive species policy. Conservation Letters 10: 265-266 (online http://onlinelibrary.wiley.com/doi/10.1111/conl.12262/epdf).

Seebens H et al. and 44 other authors including Bacher S (2017). No saturation in the accumulation of alien species worldwide. Nature Communications 8: 14435 (online: DOI: 10.1038/ncomms14435).

Pergl J, Pyšek P, Bacher S, Essl F, Genovesi P, Harrower CA, Hulme PE, Jeschke JM, Kenis M, Kühn I, Perglová I, Rabitsch W, Roques A, Roy DB, Roy HE, Vilà M, Winter M & Nentwig W (2017). Troubling travellers: are ecologically harmful alien species associated with particular introduction pathways? NeoBiota 32: 1-20 (doi: 10.3897/neobiota.32.10199).


Essl F, Hulme PE, Jeschke JM. Keller R, Pyšek P, Richardson DM, Saul WC, Bacher S, Dullinger S, Estévez RA, Kueffer C, Roy HE, Seebens H & Rabitsch W (2017).  Scientific and normative foundations for the valuation of alien species impacts: thirteen core principles. BioScience 67: 166-178 (doi: 10.1993/biosci/biw160).

Nentwig W, Bacher S, Pysek P, Vilà M & Kumschick S (2016). The generic impact scoring system (GISS): a standardized tool to quantify the impacts of alien species. Environmental Monitoring and Assessment 188:315 (online DOI: 10.1007/s10661-016-5321-4).


Hawkins CL, Bacher S, Essl F, Hulme PE, Jeschke JM, Kühn I, Kumschick S, Nentwig W, Pergl J, Pyšek P, Rabitsch W,  Richardson DM, Vilà M, Wilson JRU, Genoves P & Blackburn TM (2015). Framework and guidelines for implementing the proposed IUCN Environmental Impact Classification for Alien Taxa (EICAT). Diversity and Distributions 21: 1360-1363.

Essl F, Bacher S, Blackburn TM, Booy O, Brundu G, Brunel S, Cardoso AC, Eschen R, Gallardo B, Galil B, García-Berthou E, Genovesi P, Groom Q, Harrower C, Hulme PE, Katsanevakis S, Kenis M, Kühn I, Kumschick S, Martinou AF, Nentwig W, O'Flynn C, Pagad S, Pergl J, Pyšek P, Rabitsch W, Richardson DM, Roques A, Roy HE, Scalera R, Schindler S, Seebens H, Vanderhoeven S, Vilà M, Wilson JRU, Zenetos A & Jeschke JM (2015). Crossing Frontiers in Tackling Pathways of Biological Invasions. Bioscience 65: 769-782.

Gonzalez-Suarez M, Bacher S & Jeschke JM (2015). Intraspecific trait variation is correlated with establishment success of alien mammals. American Naturalist 185: 737-746.

Kumschick S, Bacher S, Evans T, Marková Z, Pergl J, Pyšek P, Vaes-Petignat S, van der Veer G, Vilà Mand & Nentwig W (2015). Comparing impacts of alien plants and animals in Europe using a standard scoring system. Journal Applied Ecology 52: 552-561..

Kumschick S, Gaertner M, Vilà M, Essl F, Jeschke JM, Pyšek P, Ricciardi A, Bacher S, Blackburn TM, Dick JTA, Evans T, Hulme PE, Kühn I, Mruga?a A, Pergl J, Rabitsch W, Richardson DM, Sendek A & Winter M (2015).Ecological impacts of alien species: quantification, scope, caveats, and recommendations. Bioscience 65: 55-63.

Rossinelli S & Bacher S (2015). Higher establishment success in specialized parasitoids: Support for the existence of trade-offs in the evolution of specialization. Functional Ecology 29: 277-284.



Duncan RP, Blackburn TM, Rossinelli A & Bacher S (2014). Quantifying invasion risk: the relationship between establishment probability and founding population size. Methods Ecology & Evolution 5: 1255-1263.

Eckard S, Ansan MA, Bacher S, Butt TM, Enkerli J & Grabenweger G (2014). Virulence of in vivo and in vitro produced conidia of Metarhizium brunneum strains for control of wireworms. Crop Protection 64: 137-142.

Blackburn TM, Essl F, Evans T, Hulme PE, Jeschke JE, Kühn I, Kumschick S, Markova Z, Mrugala A, Nentwig W, Pergl J, Pysek P, Rabitsch W, Ricciardi A, Richardson DM, Sendek A, Vila M, Wilson JRU, Winter M, Genovesi P & Bacher S (2014). A Unified Classification of Alien Species Based on the Magnitude of their Environmental Impacts. PLoS Biology 12(5): e1001850. doi:10.1371/journal.pbio.1001850.

Jeschke JE, Bacher S, Blackburn TM, Dick JTA, Essl F, Evans T, Gaertner M, Hulme PE, Kühn I, Mrugala A, Pergl J, Pysek P, Rabitsch W, Ricciardi A, Richardson DM, Sendek A, Vila M, Winter M & Kumschick S (2014) Defining the impact of non-native species. Conservation Biology 28: 1189-1194 (online DOI: 10.1111/cobi.12299).

Bacon SJ, Aebi A, Calanca P, Bacher S (2014) Quarantine arthropod invasions in Europe: the role of climate, hosts and propagule pressure. Diversity & Distributions 20: 84-94. doi 10.1111/ddi.12149


Leung B, Roura-Pascual N, Bacher S, Heikkilä J, Brotons L, Burgman MA, Dehnen-Schmutz K, Essl F, Hulme PE, Richardson DM, Sol D, Vilà M (2013) Addressing a critique of the TEASI framework for invasive species risk assessment. Ecology Letters 16, 1415-e6. doi: 10.1111/ele.12172

Zaugg I, Benrey B, Bacher S (2013) Bottom-up and top-down effects influence bruchid beetle individual performance but not population densities in the field. PLoSOne 8(1): e55317. doi:10.1371/journal.pone.0055317

Zaugg I, Magni C, Panzeri D, Daminati MG, Bollini R, Benrey B, Bacher S, Sparvoli F (2013) QUES, a new Phaseolus vulgaris genotype resistant to common bean weevils, contains the Arcelin-8 allele coding for new lectin-related variants. Theoretical and Applied Genetics 126: 647-661. doi: 10.1007/s00122-012-2008-2

Dormann CF, Elith J, Bacher S, Buchmann C, Carl G, Carré G, García Marquéz JR, Gruber B, Lafourcade B, Leitão PJ, Münkemüller T, McClean C, Osborne PE, Reineking B, Schröder B, Skidmore AK, Zurell D, Lautenbach S (2013) Collinearity: a review of methods to deal with it and a simulation study evaluating their performance. Ecography 36, 27-46. doi: 10.1111/j.1600-0587.2012.07348.x

Kumschick S, Bacher S, Blackburn T (2013) What determines the impact of alien birds and mammals in Europe? Biological Invasions 15:785-797. doi: 10.1007/s10530-012-0326-6 


Spataro T, Bacher S, Bersier LF, Arditi R (2012) Ratio-dependent predation in a field experiment with wasps. Ecosphere 3(12): 124. doi: 10.1890/ES12-00133.1

Kumschick S, Bacher S, Dawson W, Heikkilä J, Sendek A, Pluess T, Robinson TB, Kühn I (2012) A conceptual framework for prioritization of invasive alien species for management according to their impact. NeoBiota 15: 69–100. doi: 10.3897/neobiota.15.3323

Bacon SJ, Bacher S, Aebi A (2012) Gaps in border controls are related to quarantine alien insect invasions in Europe. PLoSOne 7(10):e47689. doi: 10.1371/journal.pone.0047689

Pluess T, Jarošík V, Pyšek P, Cannon R, Pergl J, Breukers A, Bacher S (2012) Which factors affect the success or failure of eradication campaigns against alien species? PLoSOne 7(10):  e48157. doi: 10.1371/journal.pone.0048157

Leung B, Roura-Pascual N, Bacher S, Heikkilä J, Brotons L, Burgman MA, Dehnen-Schmutz K, Essl F, Hulme PE, Richardson DM, Sol D, Vilà M (2012) TEASIng apart alien species risk assessments: a framework for best practices. Ecology Letters 15: 1475-1493. doi: 10.1111/ele.12003

Entling MH, Schweiger O, Bacher S, Espadaler X, Hickler T, Kumschick S, Woodcock BA & Nentwig W (2012) Species Richness-Environment Relationships of European Arthropods at Two Spatial Grains: Habitats and Countries; PLoSOne 7(9): e45875.  doi:10.1371/journal.pone.0045875

Gerber E, Hinz HL, Blossey B, Bacher S (2012) Two Shoot-Miners, Ceutorhynchus alliariae andCeutorhynchus roberti, Sharing the Same Fundamental Niche on Garlic Mustard. Environmental Entomology 41(5): 1086-1096. doi:10.1603/EN11335

Kenis M, Bacher S, Baker RHA, Branquart E, Brunel S, Holt J, Hulme PE, MacLeod A, Pergl J, Petter F, Pyšek P, Schrader G, Sissons A, Starfinger U, Schaffner U (2012) New protocols to assess the environmental impact of pests in the EPPO decision-support scheme for pest risk analysis. Bulletin OEPP/EPPO Bulletin 42:  21–27. doi: 10.1111/epp.2527

Pluess T, Cannon R, Jarošík V, Pergl J, Pyšek P, Bacher S (2012) When are eradication campaigns successful? A test of common assumptions. Biological Invasions 14: 1365–1378.doi: 10.1007/s10530-011-0160-2

Bacher S (2012) Still not enough taxonomists. Trends in Ecology and Evolution 27:  65-66.doi: 10.1016/j.tree.2011.11.003


Brechbühl R, Casas J, Bacher S (2011) Diet choice of a predator in the wild: overabundance of prey and missed opportunities along the prey capture sequence. Ecosphere 2(12): 133.doi:10.1890/ES11-00323.1

Blackburn TM, Pyšek P, Bacher S, Carlton JT, Duncan RP, Jarošík V, Wilson JRU and Richardson DM (2011) A proposed unified framework for biological invasions. Trends in Ecology and Evolution 26, 333–339. doi: 10.1016/j.tree.2011.03.023.

Simberloff D, Alexander J, Allendorf F, Aronson J, Antunes PM, Bacher S, Bardgett R, Bertolino S, Bishop M, Blackburn TM, Blakeslee A, Blumenthal D, Bortolus A, Buckley R, Buckley Y, Byers J, Callaway RM, Campbell F, Campbell K, Campbell M, Carlton JT, Cassey P, Catford J, Celesti-Grapow L, Chapman J, Clark P, Clewell A, Clode JC, Chang A, Chytrý M, Clout M, Cohen A, Cowan P, Cowie RH, Crall AW, Crooks J, Deveney M, Dixon K, Dobbs FC, Duffy DC, Duncan R, Ehrlich PR, Eldredge L, Evenhuis N, Fausch KD, Feldhaar H, Firn J, Fowler A, Galil B, Garcia-Berthou E, Geller J, Genovesi P, Gerber E, Gherardi F, Gollasch S, Gordon D, Graham J, Gribben P, Griffen B, Grosholz ED, Hewitt C, Hierro JL, Hulme P, Hutchings P, Jarošík V, Johnson C, Johnson L, Johnston EL, Jones CG, Keller R, King CM, Knols BGJ, Kollmann J, Kompas T, Kotanen PM, Kowarik I, Kühn I, Kumschick S, Leung B, Liebhold A, MacIsaac H, Mack R, McCullough DG, McDonald R, Merritt DM, Meyerson L, Minchin D, Mooney HA, Morisette JT, Moyle P, Müller-Schärer H, Murray BR, Nehring S, Nelson W, Nentwig W, Novak SJ, Occhipinti A, Ojaveer H, Osborne B, Ostfeld RS, Parker J, Pederson J, Pergl J, Phillips ML, Pyšek P, Rejmánek M, Ricciardi A, Ricotta C, Richardson D, Rilov G, Ritchie E, Robertson PA, Roman J, Ruiz G, Schaefer H, Schaffelke B, Schierenbeck KA, Schmitz DC, Schwindt E, Seeb J, Smith LD, Smith GF, Stohlgren T, Strayer DL, Strong D, Sutherland WJ, Therriault T, Thuiller W, Torchin M, van der Putten W, Vilà M, Von Holle B, Wallentinus I, Wardle D, Williamson M, Wilson J, Winter M, Wolfe LM, Wright J, Wonham M, Zabin C (2011) Non-natives: 141 scientists object. Nature 475:  36. doi: 10.1038/475036a.

Kühn I, Kowarik I, Kollmann J, Starfinger U, Bacher S, Blackburn TM, Bustamante RO, Celesti-Grapow L, Chytrý M, Colautti RI, Essl F, Foxcroft LC, García-Berthou E, Gollasch S, Hierro J, Hufbauer RA, Hulme PE, Jarošík V, Jeschke JM, Karrer G, Mack RN, Molofsky J, Murray BR, Nentwig W, Osborne B, Pyšek P, Rabitsch W, Rejmánek M, Roques A, Shaw R, Sol D, van Kleunen M, Vilà M, von der Lippe M, Wolfe LM, Penev L (2011) Open minded and open access: introducing NeoBiota, a new peer-reviewed journal of biological invasions. NeoBiota 9: 1–11, doi: 10.3897/neobiota.9.1835


Pyšek P, Jarošík V, Hulme PH, Kühn I, Wild J, Arianoutsou M, Bacher S, Chiron F, Didžiulis V,Essl F, Genovesi P, Gherardi F, Hejda M, Kark S, Lambdon PW, Desprez-Loustau ML, NentwigW, Pergl J, Poboljšaj K, Rabitsch W, Roques A, Roy DB, Shirley S, Solarz W, Vilà M, Winter M (2010) Disentangling the role of environmental and human pressures on biological invasions. Proceedings of the National Academy of Sciences 107: 12157–12162. doi:10.1073/pnas.1002314107

Solarz W, Krol W, Bacher S, Nentwig W, Sol D (2010) Terrestrial Alien Vertebrates in Europe. In: ALARM Atlas of Biodiversity Risk (ed. Settele et al.), Pensoft, Sofia, pp. 152-153.

Grabenweger G, Kehrli P, Zweimüller I, Augustin S, Avtzis N, Bacher S, Freise J, Girardoz S, Guichard S, Heitland W, Lethmayer C, Stolz M, Tomov R, Volter L, Kenis M (2010) Temporal and spatial variations in the parasitoid complex of the horse chestnut leafminer during its invasion of Europe. Biological Invasions 12: 2797–2813.

Pyšek P, Bacher S, Chytrý M, Jarošík V, Wild J, Celesti-Grapow L, Gassó N, Kenis M, Lambdon PW, Nentwig W, Pergl J, Roques A, Sádlo J, Solarz W, Vilà M, Hulme PE (2010) Contrasting patterns in the invasions of European terrestrial and freshwater habitats by alien plants, insects and vertebrates. Global Ecology and Biogeography 19: 317–331. pdf

Bruggisser O, Schmidt-Entling MH, Bacher S (2010) Effects of vineyard management on biodiversity at three trophic levels. Biological Conservation 143: 1521-1528. pdf

Vilà M, Basnou C, Pyšek P, Josefsson M, Genovesi P, Gollasch S, Nentwig W, Olenin S, Roques A, Roy D, Hulme PE Andriopoulos P, Arianoutsou M, Augustin S, Bacher S, Bazos I, Bretagnolle F, Chiron F, Clergeau P, Cochard PO, Cocquempot C , Coeur dAcier A, David M, Delipetrou P, Desprez-Loustau ML, Didziulis V, Dorkeld F, Essl F, Galil BS, Gasquez J , Georghiou K, Hejda M, Jarosik V, Kark S, Kokkoris I, Kuhn I, Lambdon PW, Lopez-Vaamonde C, Marcer A, Migeon A, McLoughlin M, Minchin D, Navajas M, Panov VE, Pascal M, Pergl J, Perglova I , Pino J, Poboljsaj K, Rabitsch W, Rasplus JY, Sauvard D, Scalera R, Sedlacek O, Shirley S, Winter M, Yannitsaros A, Yart A, Zagatti P, Zikos A (2010) How well do we understand the impacts of alien species on ecosystem services? A pan-European cross-taxa assessment. Frontiers in Ecology and the Environment 8: 135-144. pdf

Entling W, Schmidt-Entling MH, Bacher S, Brandl R, Nentwig, W (2010) Body size-climate relationships of European spiders. Journal of Biogeography 37: 477-485. pdf

Brechbühl R, Casas J, Bacher S (2010) Ineffective crypsis in a crab spider: a prey community perspective. Proceedings of the Royal Society of London, Series B – Biological Sciences 277: 739-746. pdf

Nentwig W, Kühnel E, Bacher S (2010) A Generic Impact-Scoring System Applied to Alien Mammals in Europe. Conservation Biology 24: 302-311. pdf


Kumschick S, Schmidt-Entling MH, Bacher S, Hickler T, Espadaler X, Nentwig W. (2009) Water limitation prevails over energy in European diversity gradients of sheetweb spiders (Araneae: Linyphiidae). Basic and Applied Ecology 10: 754-762.

Walther GR, Roques A, Hulme PE, Sykes MT, Pysek P, Kuhn I, Zobel M, Bacher S, Bugmann H, Czucz B, Dauber J, Hickler T, Jarosik V, Kenis M, Klotz S, Minchin D, Moora M, Nentwig W, Ott J, Panov VE, Reineking B, Robinet C, Semenchenko V, Solarz W, Thuiller W, Vila M, Vohland K, Settele J (2009) Alien species in a warmer world: risks and opportunities. Trends in Ecology and Evolution 24: 686-693. pdf

Baker R. H. A., A. Battisti, J. Bremmer, M. Kenis, J. Mumford, F. Petter, G. Schrader, S. Bacher, P. De Barro, P. E. Hulme, O. Karadjova, A. O. Lansink, O. Pruvost, P. Pysek, A. Roques, Y. Baranchikov, J.-H. Sun (2009) PRATIQUE: a research project to enhance pest risk analysis techniques in the European Union. EPPO Bulletin 39: 87–93.

Kumschick S, Schmidt-Entling MH, Bacher S, Hickler T, Espadaler X, Nentwig W. (2009) Determinants of local ant (Hymenoptera: Formicidae) species richness and activity density across Europe. Ecological Entomology 34: 748–754.

Genovesi P, Bacher S, Kobelt M, Pascal M & Scalera R (2008) Alien mammals of Europe. In: Handbook of Alien Species in Europe (ed. DAISIE), Series: Invading Nature - Springer Series in Invasion Ecology, Vol. 3. Springer, Dordrecht (ISBN 978-1-4020-8279-5).pdf

Sol D, Bacher S, Reader SM & Lefebvre L (2008) Brain size predicts the success of mammal species introduced into novel environments. American Naturalist S172: S63-S71. pdf

Hulme PE, Bacher S, Kenis M, Klotz, S, Kühn I, Minchin D, Nentwig W, Olenin S, Panov V, Pergl J, Pyšek P, Roques A, Sol D, Solarz W, Vilà, M (2008) Grasping at the routes of biological invasions: a framework for integrating pathways into policy. Journal of Applied Ecology 45: 403–414. pdf

Kehrli P., Bacher S. (2008) Differential effects of flower-feeding in an insect host-parasitoid system. Basic and Applied Ecology 9: 709-717. pdf

Wandeler H & Bacher S (2008) Establishing systemic rust infections in Cirsium arvense in the field. Biocontrol Science and Technology 18: 209-214. pdf


Tschanz B., Bersier L.F., Bacher S. (2007) Functional responses - a question of alternative prey and predator density. Ecology 88: 1300-1308. pdf

Entling W., Schmidt M.H., Bacher S., Brandl R., Nentwig W. (2007) Niche properties of Central European spiders: shading, moisture, and the evolution of the habitat niche. Global Ecology and Biogeography 16: 440-448. pdf


Vilà M., Bacher S., Hulme P., Kenis M., Kobelt M., Nentwig W., Sol D., Solarz W. (2006) Impactos ecológicos de las invasiones de plantas y vertebrados terrestres en Europa. Ecosistemas 2: 1-12. pdf

Wandeler H., Bacher S. (2006) Insect-transmitted urediniospores of the rust Puccinia punctiformis cause systemic infections in established Cirsium arvense plants. Phytopathology 96: 813-818. pdf

Moravie M.A., Borer M., Bacher S. (2006) Neighbourhood of host plants influences oviposition decisions of a stem-boring weevil. Basic and Applied Ecology 7: 545-554. pdf


Grabenweger G., Kehrli P., Schlick-Steiner B., Steiner F., Stolz M., Bacher S. (2005) Predators of the horse chestnut leafminer, Cameraria ohridella: identification and impact assessment. Journal of Applied Entomology 129: 353-362. pdf

Tschanz B, Schmid E, Bacher S. (2005) Host plant exposure causes greater larval vulnerability – do prey females know? Functional Ecology 19: 391-395 pdf

Bacher S., Luder S. (2005) Picky predators and the function of the faecal shield of a cassidine larva. Functional Ecology 19, 263-272.  pdf

Kehrli P., Lehmann, M., Bacher S. (2005) Mass-emergence devices: a biocontrol technique for conservation and augmentation of parasitoids. Biological Control 32: 191-199.  pdf

Schenk D., Bersier L.F., Bacher S. (2005) An experimental test of the nature of predation: neither prey- nor ratio-dependent. Journal of Animal Ecology 74: 86-91. pdf


Kehrli P., Bacher S. (2004) How to safely compost Cameraria ohridella-infested horse chestnut leaf litter on small compost heaps. Journal of Applied Entomology 128: 707-709.  pdf

Schenk D., Bacher S. (2004) Detection of shield beetle remains in predators using a monoclonal antibody. Journal of Applied Entomology 128: 273-278.  pdf


Kehrli, P. & S. Bacher (2003) Native antagonists of the horse chestnut leafminer and possibilities for their augmentation. Nachrichtenblatt des Deutschen Pflanzenschutzdienstes 55: 212.  pdf

Thalmann, C., Freise, J., Heitland, W. & Bacher, S. (2003) Effects of defoliation by horse chestnut leafminer (Cameraria ohridella) on reproduction in Aesculus hippocastanum. Trees – Structure and Function 17: 383-388.  pdf

Gilbert, M., Svatoš, A., Lehmann, M. & Bacher, S. (2003)  Spatial patterns and infestation processes in the horse chestnut leafminer Cameraria ohridella Deschka & Dimic (Lepidoptera: Gracillariidae): a tale of two cities. Entomologia Experimentalis et Applicata 107: 25-37. pdf

Kehrli P. & S. Bacher (2003) Date of leaf litter removal to prevent emergence of Cameraria ohridella in the following spring. Entomologia Experimentalis et Applicata 107: 159-162. pdf


Bacher, S., Friedli, J. and Schaer I. 2002 Developing in diseased host plants increases survival and fecundity in a stem-boring weevil. Entomologia Experimentalis et Applicata 103: 191-195.  pdf
Bacher, S. and Friedli, J. 2002 Dynamics of a mutualism in a multi-species context. Proceedings of the Royal Society, London, Series B: Biological Sciences 269: 1517-1522. pdf

Schenk, D. and Bacher, S. 2002 Functional response of a generalist insect predator to one of its prey species in the field. Journal of Animal Ecology 71: 524-531. pdf

Bacher, S. 2002 Ein Rüsselkäfer verteilt den Rostpilz. Schweizer Bauer, 23.03.2002, S. 29 pdf


Friedli, J. and Bacher, S. 2001 Mutualistic interaction between a shoot-base boring weevil and a rust fungus, two parasites of the weed creeping thistle. Oecologia 129: 571-576.  pdf

Friedli, J. and Bacher, S. 2001 Direct and Indirect Effects of a Shoot-base Boring Weevil and Plant Competition on the Performance of Creeping Thistle, Cirsium arvense. Biological Control 22: 219-226. pdf

2000 and before

Bacher, S. and Schwab, F. 2000 Effect of Herbivore Density, Timing of Attack, and Plant Community on Performance of Creeping Thistle, Cirsium arvense (L.) Scop. (Asteraceae). Biocontrol Science and Technology 10: 343-352. pdf

Bacher, S., Schenk, D. and Imboden, H. 1999 A monoclonal antibody to the shield beetle Cassida rubiginosa Müller (Coleoptera, Chrysomelidae): A tool for predator gut analysis. Biological Control 16: 299-309. pdf

Casas, J., Bacher, S., Tautz, J., Meyhöfer, R. and Pierre, C. (1998) Leaf vibrations and air movements in a leafminer parasitoid system. Biological Control 11: 147-153. pdf

Bacher, S. (1998) Das Potential einheimischer Insekten zur biologischen Bekämpfung der Ackerkratzdistel (Cirsium arvense (L.) Scop.) in Mitteleuropa. Mitteilungen der deutschen Gesellschaft für allgemeine und angewandte Entomologie 11: (Bayreuth). 

Bacher, S., Casas, J., Wäckers, F.L. and Dorn, S. (1997) Substrate vibrations elicit defensive behaviour in leafminer pupae. Journal of Insect Physiology 43: 945-952. pdf

Bacher, S., Heizmann, A. und Nentwig, W. 1997: Problemunkräuter in ökologischen Ausgleichsflächen im Ackerbau. AGRARFORSCHUNG 4 (2): 91-94. 

Bacher, S., Casas, J., Wäckers, F. L. and Dorn, S. 1996 Abwehrreaktionen von Blattminierern gegen Parasitoide: Substratvibrationen als Auslöser. Nachrichten der Deutschen Gesellschaft für allgemeine und angewandte Entomologie (DGaaE) 10: p. 75.

Bacher, S. 1996 Vibrational signals in a leafminer parasitoid system: the sensory ecology of a leafminer in a tritrophic context. PhD thesis, Swiss Federal Institute of Technology (ETH) Zurich, Switzerland.

Bacher, S., Casas, J. and Dorn, S. 1996 Parasitoid vibrations as potential releasing stimulus of evasive behaviour in a leafminer. Physiological Entomology 21: 33-43. pdf

Hinz, H., Bacher, S., McClay, A. S. and DeClerck-Floate, R. 1996 Microplontus (Ceutorhynchus) edentulus SCHLZ. (Coleoptera: Curculionidae), a candidate for the biological control of scentless chamomile in North America. C.A.B. International Institute of Biological Control, Revised Final Report. 34 pp.

Bacher, S., Casas, J. and Dorn, S. 1995 Abwehrreaktionen von Blattminierern gegen Parasitoide: Welche Rolle spielen Vibrationen als Auslöser? Nachrichten der Deutschen Gesellschaft für allgemeine und angewandte Entomologie (DGaaE) 9: p. 57. 

Bacher, S., Casas, J. and Dorn, S. 1994 Can leaf miners perceive a foraging parasitoid by its vibratory signals? Norwegian Journal of Agricultural Sciences, Supplement 16: 388-389.

Bacher, S. 1994 Strategien einer biologischen Bekämpfung der Geruchlosen Kamille in Kanada. Zeitschrift für Pflanzenkrankheiten und Pflanzenschutz, Sonderheft XIV: 221-230. 

Bacher, S. 1993 Vergleichende ökologische Studien über zwei sympatrische Rüsselkäferarten an der Geruchlosen Kamille (Tripleurospermum perforatum). Diplomarbeit, Zoologisches Institut, Christian-Albrechts-Universität zu Kiel.

Bacher, S. 1993 Ceutorhynchus edentulus SCHLZ. (Coleoptera: Curculionidae): A candidate for the biological control of scentless chamomile in North America. C.A.B. International Institute of Biological Control, Final Report, 27 pp. 

Bacher, S. and Gassmann, A. 1992 Investigations on potential biocontrol agents of scentless chamomile Matricaria (Tripleurospermum) perforata C.A.B. International Institute of Biological Control, Annual Report, 28 pp.

Bacher, S. and Gassmann, A. 1991 Investigations on potential biocontrol agents of scentless chamomile Matricaria (Tripleurospermum) perforata. C.A.B. International Institute of Biological Control, Annual Report, 23 pp.