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Specialized Characteristics of Bees

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Presentation on theme: "Specialized Characteristics of Bees"— Presentation transcript:

1 Specialized Characteristics of Bees
intelligent, agile visual animals: good eyesight (including UV light) good smellers (good sense of smell) day-active

2 Specialized characteristics of flowers pollinated by bees
Colorful (usually not red) Have landing platform: place where bee can land on flower Mildly fragrant. May have nectar guides: patterns of lines or dots that can guide bee to reward Sometimes these only visible in UV light (which bees see)

3 Specialized characteristics of beetles
Clumsy Have poor vision Active during the day (many flower-visiting ones)

4 Specialized characteristics of plants pollinated by beetles
Relatively large or grouped into large inflorescences Light colored Smelly (fruity or spicy smell) Inflorescence of Xanthosoma with beetle from it Dogwood inflorescence

5 Specialized characteristics of birds who pollinate
agile long-beaked visual: see red colors well poor “smellers” Hummingbirds (native to Americas) can hover: don’t need to land to access flower rewards

6 Other birds who pollinate…
Sunbirds (Africa/Asia) Honeycreepers (Hawai’i). Iiwi (a honeycreeper) Golden-winged sunbird Crested honeycreeper

7 Specialized characteristics of flowers pollinated by birds
Bird-pollinated flowers are: red or orange have nectar hidden by long floral tube little or no fragrance no landing platform Anisacanthus (Acanthaceae) flower Aloe

8 Specialized structures of butterflies
good vision good sense of smell long coiled tongue Must land on flower to visit it (can’t hover). coiled tongue tongue extended

9 Specialized structures of plants pollinated by butterflies
Color varies (blue, yellow, orange) Landing platform present Nectar at bottom of floral tube Plumbago flowers Phlox flowers

10 Specialized structures of flies
good sense of smell, especially flesh flies Attracted to rotting meat (lay eggs in meat, larvae are maggots)

11 Specialized plant structures of plants pollinated by flies
Smell like rotting meat Look like rotting meat (dark red, purple) Offer no reward: flies fooled by flower. Stapelia flower


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