Search for dissertations about: "Gabriella Gamberale-Stille"
Found 4 swedish dissertations containing the words Gabriella Gamberale-Stille.
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1. On the evolution and function of aposematic coloration
Abstract : .... READ MORE
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2. Colour patterns in warning displays
Abstract : In aposematism a prey species use bright colours, often combined with a black contrasting pattern, to signal unprofitability as prey to potential predators. Although there are several different hypotheses about the presence of these internally contrasting patterns, there is little experimental evidence of any beneficial effects. READ MORE
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3. Seasonal change in defensive coloration in a shieldbug
Abstract : Protective coloration such as aposematism and crypsis occurs in many insects but only a few species alter their defensive strategy during the same instar. We hypothesize the adult shield bug Graphosoma lineatum with an alternating black and non-melanised longitudinal striation exhibit such a change in defensive coloration. READ MORE
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4. Evolution of Mimicry and Aposematism Explained: Salient Traits and Predator Psychology
Abstract : Aposematic species have evolved conspicuous warning signals, such as bright colors and striking patterns, to deter predators. Some edible and harmless species take advantage of this deterrent effect by mimicking their appearance. Mimicry is a great example of how natural selection produces remarkable adaptations. READ MORE