Palm pollination systems are highly diverse, including by wind and by several different groups of insects. Many palm species are associated with more or less specific pollinating weevils that are also floral herbivores. For many such palms, the importance of these "palm flower weevils" as pollinators has not been examined. Here we describe a new ex situ method of demonstrating insect pollination when pollinator exclusion is not possible. We show that Neoderelomus piriformis beetles carry pollen and deposit it on the stigma of Phoenix canariensis. Up until now, pollination systems in Phoenix have been unclear, despite the economic importance of the date palm P. dactylifera. We demonstrate here that small weevils that visit inflorescences and often inconspicuously hide there could be efficient pollinators.
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