Biology 3475A/B Lecture Notes - Lecture 3: Aedes Aegypti, Working Hypothesis, Manduca Sexta
6 Jan 2016
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Venus fly trap responds to presence of prey. Insect trapping plants seem to have lids and a bow. Many of the plants are red and resemble meat, some insects attracted to the colour assuming it is a dead animal. Looked at which parts of the plants are attractive to visitors vs those who were truly prey lower part of plant. Visitors (not used as food source) were equally attracted to upper and. Prey were attracted to odour put out by upper part of the pitcher plant. Looked rate at which the flowers emitted odour - increased conc led to increased number of flies attracted per hour. Victim of a fungus where fungus emits odours to attract them in then conidia attaches to nose so they no longer visit other fungi. Also important predators/parasites of plants and other organisms like. Beetles larvae living in soil are common victims - nematodes now used as means of controlling beetle pests in some areas.
