Nesting site density and distribution affect Osmia lignaria (Hymenoptera: Megachilidae) reproductive success and almond yield in a commercial orchard

@article{Artz2013NestingSD,
  title={Nesting site density and distribution affect Osmia lignaria (Hymenoptera: Megachilidae) reproductive success and almond yield in a commercial orchard},
  author={D. R. Artz and Matthew J. Allan and Gordon I. Wardell and Theresa L Pitts-Singer},
  journal={Insect Conservation and Diversity},
  year={2013},
  volume={6}
}
The potential of commercially managed, native blue orchard bees, Osmia lignaria, to augment honey bees in orchard pollination depends on various factors, particularly how to enhance O. lignaria retention while optimising even pollination throughout orchards by varying their stocking density and nesting site distribution. In 2011, we investigated how artificial nest box density and the number of cavities within nest boxes influenced O. lignaria retention and reproduction in a 61 ha almond… Expand
Influence of Nest Box Color and Release Sites on Osmia lignaria (Hymenoptera: Megachilidae) Reproductive Success in a Commercial Almond Orchard
TLDR
The ability to locate nesting sites in a homogenous, large orchard landscape may be facilitated by the higher frequency of nest boxes with low numbers of cavities, and by the ability to detect certain nest box colors that best contrast with the blooming trees. Expand
The Effect of Nest Box Distribution on Sustainable Propagation of Osmia lignaria (Hymenoptera: Megachilidae) in Commercial Tart Cherry Orchards
TLDR
Findings provide support for the use of O. lignaria in tart cherry orchards, and demonstrate how simple changes to bee set-up and management can influence propagation efforts. Expand
Nesting and Pollen Preference of Osmia lignaria lignaria (Hymenoptera: Megachilidae) in Virginia and North Carolina Orchards
TLDR
Cavity-nesting megachilid bees in the genus Osmia, found throughout the Palearctic and Nearctic regions, are good candidates for domestication and appears to prefer Eastern redbud pollen over orchard pollen. Expand
Assessing blue orchard bee (Osmia lignaria) propagation and pollination services in the presence of honey bees (Apis mellifera) in Utah tart cherries.
TLDR
While flying O. lignaria in Utah tart cherries may support sustainable in-field bee propagation, their subsequent impacts on tart cherry yield were not detected when paired with standard stocking densities of honey bees. Expand
Wildflower plantings promote blue orchard bee, Osmia lignaria (Hymenoptera: Megachilidae), reproduction in California almond orchards
TLDR
This study highlights the importance of landscape context and proximity to supplementary floral resources in promoting the propagation of solitary bees as alternative managed pollinators in commercial agriculture. Expand
Progeny Density and Nest Availability Affect Parasitism Risk and Reproduction in a Solitary Bee (Osmia lignaria) (Hymenoptera: Megachilidae)
  • S. Farzan
  • Biology, Medicine
  • Environmental Entomology
  • 2017
TLDR
It is suggested that cavity availability and progeny density can have substantial effects on brood parasitism risk and reproduction in this solitary bee species. Expand
Nesting activity of cavity‐nesting bees and wasps is lower in small‐scale apple orchards compared to nearby semi‐natural habitats
TLDR
The results highlight the importance of diverse flowering herbaceous vegetation in the understory that increased the number of bee nests in orchards and that could have a positive effect on the nesting activity of the bee species active in summer. Expand
Managing trap‐nesting bees as crop pollinators: Spatiotemporal effects of floral resources and antagonists
TLDR
Trap nests could be a simple pollinator-supporting strategy to accompany the current expansion of mass-flowering crops, and to ensure pollination services for insect-pollinated crops. Expand
Ecology and Economics of Using Native Managed Bees for Almond Pollination
TLDR
An ecological model for the effects of pollinator activity on almond yields, validated with published data, and then estimated changes in profits for different management strategies suggest that growers could improve profits by simply adding more nest boxes with moderate number of tubes in each. Expand
Examination of a Managed Pollinator Strategy for Almond Production Using Apis mellifera (Hymenoptera: Apidae) and Osmia lignaria (Hymenoptera: Megachilidae)
TLDR
Almond orchard managerial decisions, such as for pesticide use and irrigation intensity, vary between almond growing regions because of local climates, and it is demonstrated that augmenting large commercial almond orchards with O. lignaria can significantly increase nut set and sometimes nut yield in both regions evaluated. Expand
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TLDR
Nesting was successful in all four apple orchards, and the highest rate of nesting success was found in the N-N orchard, which clearly demonstrated that nest holes from which bees emerged were more attractive to nesting females than larger numbers of adjacent new holes. Expand
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TLDR
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TLDR
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