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Title: Red trap colour of the carnivorous plant Drosera rotundifolia does not serve a prey attraction or camouflage function
Authors: Foot, G.W.
Rice, Stephen P.
Millett, Jonathan
Keywords: Plant - insect interactions
Leaf colour
Carnivorous plants
Drosera rotundifolia
Prey attraction
Issue Date: 2014
Publisher: The Royal Society / © The Authors
Citation: FOOT, G.W., RICE, S.P. and MILLETT, J., 2014. Red trap colour of the carnivorous plant Drosera rotundifolia does not serve a prey attraction or camouflage function. Biology Letters, 10 (4), DOI: 10.1098/rsbl.2013.1024.
Abstract: The traps of many carnivorous plants are red in colour. This has been widely hypothesized to serve a prey attraction function; colour has also been hypothesized to function as camouflage, preventing prey avoidance. We tested these two hypotheses in situ for the carnivorous plant Drosera rotundifolia. We conducted three separate studies: (i) prey attraction to artificial traps to isolate the influence of colour; (ii) prey attraction to artificial traps on artificial backgrounds to control the degree of contrast and (iii) observation of prey capture by D. rotundifolia to determine the effects of colour on prey capture. Prey were not attracted to green traps and were deterred from red traps. There was no evidence that camouflaged traps caught more prey. For D. rotundifolia, there was a relationship between trap colour and prey capture. However, trap colour may be confounded with other leaf traits. Thus, we conclude that for D. rotundifolia, red trap colour does not serve a prey attraction or camouflage function
Description: This article was published in the journal, Biology Letters [The Royal Society /© The Authors]. The definitive version is available at: http://dx.doi.org/10.1098/rsbl.2013.1024
Version: Accepted for publication
DOI: 10.1098/rsbl.2013.1024
URI: https://dspace.lboro.ac.uk/2134/17473
Publisher Link: http://dx.doi.org/10.1098/rsbl.2013.1024
ISSN: 1744-9561
Appears in Collections:Published Articles (Geography)

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