Landscape Simplification Modifies Trap-Nesting Bee and Wasp Communities in the Subtropics

Rachele Wilson; Sara Leonhardt; Chris J Burwell; Chris Fuller; Tobias J Smith; Benjamin Kaluza; Helen Wallace

doi:10.3390/insects11120853

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Landscape Simplification Modifies Trap-Nesting Bee and Wasp Communities in the Subtropics

Journal article

Open access

Peer reviewed

Landscape Simplification Modifies Trap-Nesting Bee and Wasp Communities in the Subtropics

Rachele Wilson, Sara Leonhardt, Chris J Burwell, Chris Fuller, Tobias J Smith, Benjamin Kaluza and Helen Wallace

Insects, Vol.11(12), pp.1-15

2020

DOI: https://doi.org/10.3390/insects11120853

PMCID: PMC7760584

PMID: 33271986

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Abstract

bee hotels

Hymenoptera

land use change

habitat loss

habitat complexity

bee decline

countryside

(1) Background: Landscape simplification is a major threat to bee and wasp conservation in the tropics, but reliable, long-term population data are lacking. We investigated how community composition, diversity, and abundance of tropical solitary bees and wasps change with landscape simplification (plant diversity, plant richness, distance from forest, forest cover, and land use type) and season. (2) Methods: We installed 336 timber and cob trap nests in four complex forests and three simplified orchards within the subtropical biodiversity hotspot of south-east Queensland, Australia. Trap nests were replaced every season for 23 months and all emergents identified. (3) Results: We identified 28 wasp species and 13 bee species from 2251 brood cells. Bee and wasp community composition changed with landscape simplification such that large, ground-nesting, and spider-hunting species were present in all landscapes, while those with specialist resource requirements and (clepto) parasitoids were present only in complex landscapes. Abundance and diversity of bees and wasps were unaffected by landscape simplification but increased with rainfall. (4) Conclusions: This study highlights the need for multi-year studies incorporating nuanced measures such as composition with a focus on functional diversity to detect changes bee and wasp populations.

Details

Title: Landscape Simplification Modifies Trap-Nesting Bee and Wasp Communities in the Subtropics
Authors: Rachele Wilson (Author) - University of the Sunshine Coast, Queensland, Sustainability Research Cluster
Sara Leonhardt (Author) - Technical University Munich
Chris J Burwell (Author) - Griffith University
Chris Fuller (Author) - Kin Kin Native Bees
Tobias J Smith (Author) - The University of Queensland
Benjamin Kaluza (Author) - University of the Sunshine Coast, Queensland, School of Science and Engineering - Legacy
Helen Wallace (Author) - University of the Sunshine Coast, Queensland, School of Science and Engineering - Legacy
Publication details: Insects, Vol.11(12), pp.1-15
Publisher: MDPI AG
Date published: 2020
DOI: 10.3390/insects11120853
ISSN: 2075-4450
PMID: 33271986; PMC7760584
Copyright note: Copyright (c) 2020 The Authors. This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited
Organisation Unit: School of Science and Engineering - Legacy; University of the Sunshine Coast, Queensland; GeneCology Research Centre - Legacy; School of Science, Technology and Engineering; Sustainability Research Cluster
Language: English
Record Identifier: 99491308502621
Output Type: Journal article

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