Categorizing experience-based foraging plasticity in mites: age dependency, primacy effects and memory persistence

Royal Society Open Science
Peter SchausbergerInga C Christiansen

Abstract

Behavioural plasticity can be categorized into activational (also termed contextual) and developmental plasticity. Activational plasticity allows immediate contextual behavioural changes, whereas developmental plasticity is characterized by time-lagged changes based on memory of previous experiences (learning). Behavioural plasticity tends to decline with age but whether this holds true for both plasticity categories and the effects of first-in-life experiences is poorly understood. We tackled this issue by assessing the foraging plasticity of plant-inhabiting predatory mites, Amblyseius swirskii, on thrips and spider mites following age-dependent prey experience, i.e. after hatching or after reaching maturity. Juvenile and young adult predator females were alternately presented thrips and spider mites, for establishing 1st and 2nd prey-in-life experiences, and tested, as gravid females, for their foraging plasticity when offered both prey species. Prey experience by juvenile predators resulted in clear learning effects, which were evident in likelier and earlier attacks on familiar prey, and higher proportional inclusion of familiar prey in total diet. First prey-in-life experience by juvenile but not adult predators resulted ...Continue Reading

References

Oct 18, 2001·Experimental & Applied Acarology·M NomikouM W Sabelis
Apr 30, 2013·Integrative and Comparative Biology·Emilie C Snell-RoodDaniel R Papaj
May 15, 2013·Experimental & Applied Acarology·Irina Goleva, Claus P W Zebitz
Apr 14, 2015·Biological Reviews of the Cambridge Philosophical Society·Judy A Stamps
Mar 24, 2016·Scientific Reports·Inga C ChristiansenPeter Schausberger
Nov 5, 2016·PloS One·Michael Seiter, Peter Schausberger
Jan 16, 2017·BMC Ecology·Peter Schausberger, Stefan Peneder
Apr 15, 2017·Experimental & Applied Acarology·Marliza B ReichertPeter Schausberger

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Citations

Feb 5, 2021·The Journal of Applied Ecology·Peter SchausbergerAlena Litin

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