Domestic honeybees affect the performance of pre-dispersal seed predators in an alpine meadow

Oecologia
Xinqiang XiShucun Sun

Abstract

Flowering plants interact simultaneously with mutualistic pollinators and antagonistic herbivores such that plant-mediated interactions between pollinators and herbivores must exist. Although the effects of herbivores on pollinator behavior have been investigated extensively, the effect of pollinators on herbivore performance has seldom been explored. We hypothesized that insect pollinators could improve the survival and growth of pre-dispersal seed predators by increasing seed production. We tested this hypothesis along three transects radiating from well-established apiaries in an alpine meadow by supplementing pollination in sites close to and distant from apiaries and subsequently examining seed production of the dominant nectariferous plant species Saussurea nigrescens (Asteraceae) and the performance of three dominant pre-dispersal seed predators (tephritid fly species). Pollen supplementation (1) significantly increased seed set and mass of developed seed per capitulum (i.e., flowerhead) in the distant but not the close sites, (2) did not change the survival and growth rates of the smaller-bodied species (Tephritis femoralis and Campiglossa nigricauda) at either site, but (3) improved the performance of the larger-bodied...Continue Reading

References

Jun 7, 2002·Trends in Plant Science·Chris Wilcock, Ruth Neiland
Dec 17, 2002·Proceedings of the National Academy of Sciences of the United States of America·Carlos M HerreraAntonio J Manzaneda
Mar 12, 2004·Annual Review of Entomology·D H Headrick, R D Goeden
Aug 18, 2006·Ecology Letters·Lynn S AdlerAmanda J Lentz
Jan 6, 2007·The New Phytologist·Miriam M Ferrer, Sara V Good-Avila
Sep 29, 2011·Ecology Letters·Colin FontaineElisa Thébault
Dec 3, 2014·Oecologia·Jason R Straka, Brian M Starzomski
Nov 26, 2015·Trends in Plant Science·Dani Lucas-Barbosa
Apr 4, 2017·Ecology·Xinqiang XiShucun Sun
Sep 1, 2002·The New Phytologist·José Ramón Obeso

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