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Data for: Spontaneous choices for insect-pollinated flower shapes by wild non-eusocial halictid bees

Citation

Howard, Scarlett et al. (2021), Data for: Spontaneous choices for insect-pollinated flower shapes by wild non-eusocial halictid bees, Dryad, Dataset, https://doi.org/10.5061/dryad.15dv41nw4

Abstract

The majority of angiosperms require animal pollination for reproduction and insects are the dominant group of animal pollinators. Bees are considered one of the most important and abundant insect pollinators. Research into bee behaviour and foraging decisions has typically centred on managed eusocial bee species, Apis mellifera and Bombus terrestris. Non-eusocial bees are understudied with respect to foraging strategies and decision-making, such as flower preferences. Understanding whether there are fundamental foraging strategies and preferences which are features of insect groups can provide key insights into the evolution of flower-pollinator co-evolution. In the current study, Lasioglossum (Chilalictus) lanarium and L. (Parasphecodes) sp., two native Australian generalist halictid bees, were tested for flower shape preferences between native insect-pollinated and bird-pollinated flowers. Each bee was presented with achromatic images of either insect-pollinated or bird-pollinated flowers in a circular arena. Both native bee species demonstrated a significant preference for images of insect-pollinated flowers. These preferences are similar to those found in A. mellifera, suggesting that flower shape preference may be a deep-rooted evolutionary occurrence within bees. With growing interest in the sensory capabilities of non-eusocial bees as alternative pollinators, the current study also provides a valuable framework for further behavioural testing of such species.

Usage Notes

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Funding

Deakin University

Australian Research Council, Award: DP160100161

Bundesministerium für Bildung und Forschung, Award: 031B0516C