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APHIDINAE (plant louse)

Collective defense in non-myrmecophilous aphid species and their evolution

Macrosiphoniella millefolii

Because of their high reproduction rate, aphid colonies are particularly attractive for predators and parasitoids, which has driven the evolution of various defence mechanisms. In louse colonies that are not associated with ants, physical and chemical defence helps to keep natural enemies away. In some louse species, such as Aphis nerii (oleander aphid) and Uroleucon hypochoeridis, interesting collective defence behaviours can be observed in the form of synchronous abdominal movements (wriggling) and rapid kicking movements of the hind legs. In this project, the defence behaviour was investigated in 140 plant louse colonies (66 species). Based on the genes COI, EF-1α and LWO, it was also possible to create the most comprehensive phylogeny for the Aphididae.

Team

Ao Univ.-Prof. Dr. Manfred Hartbauer
University of Graz

Mag. Doris Reineke
University of Graz

Liza Nemes
University of Graz

FWF project P 25709: Collective defense in non-myrmecophilous aphid species and their evolution.

Projects

  • Photo: Nikolaus SzucsichGround beetles25. November, 2020 - 15:54
  • Foto: Nikolaus SzucsichHoverflies25. November, 2020 - 15:43
  • Photo: Rudolf PavuzaRoot stalagmites8. November, 2020 - 16:47
  • Foto: UmweltbundesamtDetection of the weatherfish with eDNA28. October, 2020 - 16:38
  • Foto: Edwin KnihaSand flies30. September, 2020 - 10:04
  • Spring snails30. June, 2020 - 21:38
  • Lepidoptera of Lower Austria10. March, 2020 - 15:32
  • Rhagium bifasciatum (c) M. SonnleitnerDNA barcoding of forest insects10. March, 2020 - 11:15
  • Lymnaea stagnalisLymnaea stagnalis (c) C. HörwegeDNA project Cercaria24. February, 2020 - 15:27
  • Cordulegaster herosCordulegaster heros (c) I. FischerCrayfish and dragonflies of Vienna13. February, 2020 - 13:58
  • Trichobilharzia; (c) S. ReierCercaria Project23. May, 2019 - 13:54
  • Elmis rietscheliDNA barcoding of Elmidae25. July, 2017 - 10:09
  • Lichen Caloplaca24. March, 2015 - 10:40
  • Parasitic Worms2. September, 2014 - 18:25
  • Papilio machaonButterflies & Moths9. September, 2014 - 23:15
  • Weinbergschnecke (Helix pomatia)N. SzucsichMolluscs2. September, 2014 - 18:13
  • Dragonflies of Vienna4. August, 2017 - 12:13
  • Ichthyosaura alpestrisVertebrates9. September, 2014 - 22:38
  • Gonopteryx rhamniN. SzucsichDNA barcoding of butterflies of Vorarlberg7. March, 2017 - 14:54
  • Koblacher Ried (c) G. FriebeButterflies of the Koblacher Ried14. March, 2017 - 14:47

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