Data from Boyle et al 2019

Archived data supporting the following publication: Boyle et al. 2019. Wildflower plantings promote blue orchard bee, Osmia lignaria (Hymenoptera: Megachilidae), reproduction in California almond orchards. Ecology and Evolution. Abstract: Concerns over the availability of honey bees (Apis mellifera L.) to meet pollination demands has elicited interest in alternative pollinators to mitigate pressures on the commercial beekeeping industry. The blue orchard bee, Osmia lignaria (Say), is a commercially available native bee that can be employed as a co-pollinator with, or alternative pollinator to, honey bees in orchards. To date, their successful implementation in agriculture has been limited by poor recovery of bee progeny for use during the next spring. This lack of reproductive success may be tied to an inadequate diversity and abundance of alternative floral resources during the foraging period. Managed, supplementary wildflower plantings may promote O. lignaria reproduction in California almond orchards. Three wildflower plantings were installed and maintained along orchard edges to supplement bee forage. Plantings were seeded with native wildflower species that overlapped with and extended beyond almond bloom. We measured bee visitation to planted wildflowers, bee reproduction, and progeny outcomes across orchard blocks at variable distances from wildflower plantings during 2015 and 2016. Pollen provision composition was also determined to confirm O. lignaria wildflower pollen use. Osmia lignaria were frequently observed visiting wildflower plantings during, and after, almond bloom. Most O. lignaria nesting occurred at orchard edges. The greatest recovery of progeny occurred along the orchard edges having the closest proximity (80 m) to managed wildflower plantings versus edges farther away. Post-almond bloom, O. lignaria nesting closest to the wildflower plantings collected 72% of their pollen from Phacelia spp., which supplied 96% of the managed floral area. Phacelia spp. pollen collection declined with distance from the plantings, but still reached 17% 800 m into the orchard. 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.

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Work Title Data from Boyle et al 2019
Subtitle Data accompanying published manuscript in Ecology and Evolution
Access
Open Access
Creators
  1. Natalie K Boyle
  2. Derek R. Artz
  3. Ola Lundin
  4. Kimiora Ward
  5. Devon Picklum
  6. Gordon I. Wardell
  7. Neal M. Williams
  8. Theresa L. Pitts-Singer
Keyword
  1. floral resources
  2. Prunus dulcis
  3. pollen
  4. managed pollinators
License Attribution 4.0 International (CC BY 4.0)
Work Type Dataset
DOI doi:10.26207/zmrd-hr29
Deposited December 05, 2019

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Version 1
published

  • Created
  • Added Collinsia100x.JPG
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  • Added ARCHIVAL_2016_POLLEN_COUNT_LD_ONLY_RAW_DATA.xlsx
  • Added ARCHIVAL_2016_POLLEN_COUNT_RAW_DATA.xlsx
  • Added AlmMeasure4.JPG
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  • Added ARCHIVAL_2015___2016_NESTING_OVER_TIME.xlsx
  • Added AlmMeasure2.JPG
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  • Added ARCHIVAL_2016_PROGENY_CENSUS.xlsx
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  • Added Phacelia_ciliata100x.JPG
  • Added Calandrinia100x.JPG
  • Added AlmMeasure1.JPG
  • Added Mixed_Pollen_Loads.JPG
  • Added Escholzia100x.JPG
  • Added Nemophila_maculata40x.JPG
  • Added PhaMeasure1.JPG
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  • Added ARCHIVAL_2015___2016_BOB_VISITATION.xlsx
  • Added Almond40x.JPG
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  • Added Creator Natalie K Boyle
  • Added Creator Derek R. Artz
  • Added Creator Ola Lundin
  • Added Creator Kimiora Ward
  • Added Creator Devon Picklum
  • Added Creator Gordon I. Wardell
  • Added Creator Neal M. Williams
  • Added Creator Theresa L. Pitts-Singer
  • Published