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1 janvier 2016
- handle: 10670/1.yiyr2v
Mots-clés
Scarabaeus spretus Epirinus flagellatus seed dispersal mimicry deception eland Ceratocaryum argenteumSujets proches
Dung Fertilizers and manures Manure Dungs Faeces Faecal matter Scat (Feces) Dung Stools (Feces) Scats (Feces) Excrement Fecal material Faecal material Dungs Fecal matterCiter ce document
Jeremy J. Midgley et al., « Two dung beetle species that disperse mimetic seeds both feed on eland dung », South African Journal of Science, ID : 10670/1.yiyr2v
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Résumé
Scarabaeus spretus zur Strassen was observed to roll and bury Ceratocaryum argenteum (Restionaceae) seeds in the sandplain fynbos of the Potberg area of the De Hoop Nature Reserve, South Africa. This species is the second dung beetle species found to be deceived by the faecal mimicry of C. argenteum seeds - the first species being Epirinus flagellatus. An isotopic analysis suggests that both these dung beetle species most likely feed on eland (Taurotragus oryx), not bontebok (Damaliscus pygargus pygargus), dung. Thus the model in this mimicry is eland dung; this interaction suggests large herbivores are an integral part of this fynbos.