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Polymorphism
oExistence of several morphological forms
Polymorphism in honey bees:
Well known polymorphic insects.
Live in colonies in hives.
Each bee-colony consist of:
One queen
Several hundred drones
Tens of thousands of worker bees
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Importance of honey bees
1. Pollination
2. Uses of honey in cosmetics
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Pollination
Entomophily
Pollination by insects
Pollination by honey bees
Pollen and nectar
Pollinate crops
80 percent of pollination
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How does a bee pollinate a flower?
oNectar and pollen
oPollen from the stamens
oRubbed off onto the stigma
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Why are bees good pollinators?
Most of their life is spent collecting pollen
Pollen: source of protein
Hairs all over the bees' body
Attract pollen grains
Through electrostatic forces.
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https://bee-health.extension.org/wp-content/uploads/2019/08/Honeybee_hair2_reduced.jpg
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Uses of honey in cosmetics
Highly popular in cosmetic treatment, bees honey is used
in preparing:
oFacial washes
oSkin moisturizers
oHair conditioners
oIn treatment of pimples
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Kingdom Animilia
Phylum Arthropoda
Class Insecta
Order Hymenoptera
Family Apidae
Genus Apis
Species Mellifera, Cerana
Binomial name Apis mellifera, Apis cerana
Classification of honey bees
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Castes of honey bees
There are three castes of honey bees:
I. Queens
II. Drones
III. Worker bees
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Brief life cycle of honey bees
Mating with drone
Death of drone
Egg laying
Larval formation
Fed by worker bees
Pupal stage
Capping of cells
Emerging of adults
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https://www.accuratepest.net/wp-content/uploads/2020/06/Img-11.jpg
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Nuptial flight
Virgin queens mate with males
New colony
Existing hived colony
Minimize the chances of inbreeding appearing
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Corbicula
The pollen basket
Smooth cavity
Hind leg
Part of the tibia
Surrounded by a ring of hairs
Carrying pollen to the nest
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https://www.sciencemag.org/sites/default/files/styles/article_main_large/public/bee_16x9.jpg?itok=CD3qyIDz
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https://www.bumblebee.org/images/TerrPollenBasket.jpg
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Sting of worker bees
Ovipositor
Tubular structure
Sterile
Posterior end
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Parthenogenesis in honey bees
Egg without fertilization
The fertilized eggs become females
Haploid parthenogenesis
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