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ENVS 2210 (46)
Chapter 34-38

Bees - Biology and Management, Chapters 34-38

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Environmental Sciences
ENVS 2210
Ernesto Guzman

Apiculture Chapter Summary Notes Chapter 34DISEASES OF ADULT HONEYBEESVarroatosisoOnly diseaseparasite of honeybees visible to the naked eye oCaused by varroa mitesoOriginally infected Apis cerana and later spread to infect A melliferaNosemaoMost widespread of adult bee diseasesoCaused by pathogen Nosema apisoPathogen spores from other bee feces are ingested and develop in epithelial cells of ventriculus lining midgut of adult beeoSymptoms are crawling bees with swollen abdomens and dislocated wingsoBee cannot stingoInfection weakens and eventually kills beeoBees defecate and spread diseaseAcarine diseaseoCaused by infection of adult bee by tracheal mites Acarapis woodioInfect large trachea breathing tubeoMites reproduce and feed on haemolymph by piercing tracheaoAffect respiration and strength of colonyoTracheal mites native to EuropeoTreatmentfumigation
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