Bohman, Bjorn; Jeffares, Lynne; Flematti, Gavin; Byrne, Lindsay T.; Skelton, Brian; Phillips, Ryan; Dixon, Kingsley; Peakall, Rodney; Barrow, Russell
Sexually deceptive orchids employ mimicry of insect sex pheromones to exploit a diverse group of pollinators. The chemical structures of five semiochemicals (1-3, 7, 8) produced by populations of the warty hammer orchid, Drakaea livida, pollinated by a thynnine wasp in the genus Catocheilus were elucidated. With the exception of (2,5-dimethylpyrazin-3-yl)methyl 3-methylbutanoate (7), all active compounds were tetrasubstituted pyrazines, including hydroxymethyl (1) and ester (2 and 3)...[Show more]
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