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Honey Bee Biology

Honey Bee Biology. Adapted from Dr. Dewey Caron PowerPoint. What’s in a name?. Classification system. Kingdom - Animal. Phylum. 2 of interest are.. . Chordata – backboned vertebrate animals - includes humans. Arthropoda – jointed limbed invertebrates

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Honey Bee Biology

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  1. Honey Bee Biology Adapted from Dr. Dewey Caron PowerPoint

  2. What’s in a name? • Classification system Kingdom - Animal Phylum 2 of interest are.. Chordata – backboned vertebrate animals - includes humans Arthropoda – jointed limbed invertebrates that possess an exoskeleton - includes insects

  3. What’s in a name? • Classification system Kingdom - Animal Phylum - Arthropoda Shared Arthropod characteristics are…. 1. Segmented bodies of 2/3 regions 2. Paired segmented appendages 3. Exoskeleton 4. Bilateral symmetry 5. Central alimentary tube 6. Open circulatory system 7. Sexual reproduction

  4. What’s in a name? • Classification system Kingdom - Animal Phylum - Arthropoda Class Several Arthropod classes…Class insecta have.. • 3 body regions • One pair antennae • Three pairs of legs • 1 or 2 pairs of wings usually

  5. What’s in a name? • Classification system Kingdom - Animal Phylum - Arthropoda Class - Insecta Order 30 + Insect orders – 5 largest are... • Coleoptera = beetles • Lepidoptera = butterflies & moths • Hymenoptera = bees, wasps & ants • Diptera = flies • Heteroptera = bugs, aphids, etc

  6. Insect Sociality • EUSOCIAL • Cooperative care of young • Pheromones or trophyllaxis • Reproductive division of labor • Caste system • Overlap of generations caring for young • Often elaborate/defended nests

  7. The 3 adults - Queen Reproductive female 2 functions 1. Lay eggs 2. Produce chemicals Bk Educ Service Photo

  8. The three adults - Drone Male sex – not caste Mate with new queen (= virgins) Perhaps contribute to “normalcy”?

  9. Hive Bee “Work” • Includes… • cleaning • nursing • nectar ripening & honey storage • pack pollen • secrete wax • guarding

  10. What is a Honey Bee? • Answer … one of three adult forms each with own tasks (Division of labor) queen honey bee, worker honey bee drone honey bee

  11. What is a Honey Bee? ►Answer ….. one of three adult forms each with own tasks (Division of labor) ►Answer ..... worker bees who perform different tasks according to age and gland development Hive bees such as cleaning worker bee, nurse bee, nectar ripening bee, wax secreting bee, guard bee Field bees foraging for nectar/pollen/water/propolis BUT ALSO…… … one of three development stages (=brood)

  12. Bee Brood Summary Figure 4-9

  13. Sex/Caste Differentiation Fertilized egg Unfertilized egg Fertilized egg Heavy feeding Heavy feeding of Light feeding of of royal jelly brood food, then brood food, then honey, and pollen honey, and pollen Queen ovaries Worker ovaries Cornell collection

  14. Communication • Honey bees eusocial • Prof von Frisch discovered their communication basics • A bee discovers a food source…. she returns home to tell her sisters where it is, how far, & how good !

  15. Round Dance Quick short steps in narrow circles On beeswax comb Food close Odor & taste clues Richness clues

  16. Wagtail Dance Bee makes ½ circle, straight run while waggling Abdomen then ½ circle again Distance Direction Odor & taste clues Richness clues

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