Pollination of Spider Orchids (Caladenia syn. Arachnorchis) by Wasps … and Others:
Pollination of Spider Orchids (Caladenia syn. Arachnorchis) by Wasps … and Others:
A Lingering Post-Darwinian Mystery
The spectacular spider orchids (Caladenia, Arachnorchis) of temperate, southern Australia are pollinated primarily by male thynnine wasps (Chapter 5). These flowers employ a combination of sexual and food deception mechanisms (Chapters 2-5, 7 and 10). Ecological interactions are complex. The author explores a series of controversial theories related to the original work of Darwin as well as modern concerns but also explores problems of conservation unique to plants surviving in a rapidly changing world.
Keywords: Arachnorchis, Australia, Caladenia, conservation, deception, food, sexual, thynnine, wasps
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