Exotic Pests and Diseases of Honey Bees Pests and... · National Honey Bee Health Survey •Began...
Transcript of Exotic Pests and Diseases of Honey Bees Pests and... · National Honey Bee Health Survey •Began...
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Exotic Pests and
Diseases of Honey
Bees
Wisconsin Department of Agriculture, Trade &
Consumer Protection
November 2014
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National Honey Bee Health
Survey• Began in 2009
• Document which bee diseases,
parasites, or pests of honey bees are
present and/or likely absent in the U.S.
• Establishes a baseline on existing pest
and disease levels
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Tropilaelaps mites
• Exotic parasitic mite found in Asia and
Indonesia
• Feeds on honey bee brood; does not feed on
adult bees
• Reproduces faster than varroa
• Moves very quickly on
brood combs
• 1/3 the size of Varroa
mites
Zachary Huang photo, http://cyberbee.net/gallery
Varroa Tropilaelaps
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Asian honey bee
(Apis cerana)• Smaller, more prominent
abdominal stripes
• Smaller colonies
• Natural host of varroa
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Asian honey bee
(Apis cerana)• Swarms many times during the year
• Outcompetes A. mellifera in nectar and
pollen gathering
• Propensity for robbing European honey
bee stores
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Cape honey bee
(Apis mellifera capensis)• Native to South Africa
• Referred to as “black bees”
• Ability to parasitize other colonies
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Cape honey bee
(Apis mellifera capensis)• Specialized foragers
of regional flora
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Slow Bee Paralysis Virus
(SBPV)• characterised by the paralysis of the front two
pairs of legs of adult bees a few days before
dying.
• SBPV can also be detected in larvae and
pupae, but produces no symptoms in these.
• The virus is associated with, and transmitted by,
V. destructor
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Other viruses tested for
• IAPV - Israeli Acute Paralysis Virus, common in some regions, has been associated with colony losses
• KBV - Kashmir Bee Virus, uncommon, has been associated with colony losses
• DWV - Deformed Wing Virus, very common, associated with varroa mites
• ABPV - Acute Bee Paralysis Virus, rare, has been associated with colony losses
• CBPV - Chronic Bee Paralysis Virus, rare in U.S.
• LSV-2 - Lake Sinai Virus-2 newly discovered found at high levels in some bees and in the same family as CBPV.
• BQCV - Black Queen Cell Virus, very common, may be associated with nosema disease.
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How to collect a sample
• Place samples into a container, covering
them with 70% ethyl, methyl, or isopropyl
alcohol, or even hand sanitizer, as soon
as possible after collection.
• Label each container with:
• Location
• colony number
• date the samples were collected
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Who to contact:
• Wisconsin State Apiarist
• Liz Meils
• 608-224-4572
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Other Resources
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www.BeeInformed.org
• Annual online survey available the month
of April
• Completely anonymous
• Winter loss survey (5 minutes)
• Management survey (15 minutes)
• State-specific report opportunity
• 142 participants in 2014
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www.DriftWatch.org
• An online registry that helps pesticide
applicators, specialty crop growers
(beekeepers), and stewards of at-risk
habitats communicate more effectively
to protect pesticide-sensitive areas.
• Register your apiary online anytime
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