64A_NiehDeclineFallBees

64A_NiehDeclineFallBees - James C. Nieh University of...

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James C. Nieh University of California San Diego Division of Biological Sciences Section of Ecology, Behavior, & Evolution
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The decline and fall of bees: pollinators in peril James C. Nieh, University of California San Diego Division of Biological Sciences, Section of Ecology, Behavior, and Evolution Thomas Cole, The Course of Empire
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Outline I.Honey bee natural history II. III. A signal for danger IV. Honey bee declines V. Pesticides
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What are bees?
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Apis Euglossini (Orchid bees) Apini (Honey bees) Bombini (Bumble bees) Meliponini (Stingless bees) Phylogeny from Ramirez et al. in prep Mitochondrial genes Nuclear genes EF1-a (~1.2kb), ArgK (~0.7kb) & Pol-II (0.8kb). Bayesian clock chronogram
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Ancient Importance: Egypt (700 BCE)
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In California, honey bees are responsible for pollination of approximately $1.5 billion in annual crops ($15 billion nationally). Hay and alfalfa seed production also require bee pollination.
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Using honey bees to sniff out landmines
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Environmental biomonitoring with bees
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Identifying honey bees Queen (long abdomen) Worker Drone (big eyes)
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Bees change jobs as they age Nurse Forager Slide courtesy of Gene Robinson
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The royal court
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Honey bee queen mandibular gland pheromone Pherotech: “Fruit Boost with QMP”
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The discovery
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Honey bee waggle dance
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The honey bee recruitment system 1 Used to recruit for several different types of resources
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Michelsen: Robot bee experiment
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tracking
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Outline I.Honey bee natural history II. Predators & robbers
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Bird predation : Bee eaters
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Ambush predator: Praying mantis
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Ambush predator: Ambush bug
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Ambush predator: spider
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Predation by hunting spiders Morse 1979
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Intraspecific competition: Honey bees
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Intraspecific competition: Honey bee nest robbing
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Outline I.Honey bee natural history II. III. A signal for danger
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This note was uploaded on 06/06/2011 for the course BILD 18 taught by Professor Saier during the Spring '07 term at UCSD.

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64A_NiehDeclineFallBees - James C. Nieh University of...

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