odonata dragonflies and damselflies
DESCRIPTION
ODONATA Dragonflies and Damselflies. Forerunners of the Odonata. Protodonata. Paleodictyoptera. Forerunners of the Odonata. Protodonata. Simplified Evolutionary History of the Odonata. 300 200 100. Carboniferous. - PowerPoint PPT PresentationTRANSCRIPT
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ODONATA
Dragonflies and Damselflies
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Forerunners of the Odonata
Paleodictyoptera Protodonata
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Forerunners of the Odonata
Protodonata
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Simplified Evolutionary History of the Odonata
300 200 100
Carboniferous Permian Triassic Jurassic Cretaceous
Protodonata
Epiophlebioptera
“Anisozygoptera”Anisoptera
Zygoptera
Paleodictyoptera
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Odonata
Number of Species
Common names
Distinguishing characteristics
Other features
Typical habitats
Hexapod Orders
>5000
damselflies, dragonflies, skippers , darners
Aquatic nymph, aerial adult
-direct flight muscles-wings can’t be folded
Odon - tooth
-nymphs with labial mask for prey capture-primitive wing venation - archedictyon
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Odonata
• •
Direct flight muscles
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Odonata -Evolutionary History
Meganeuropsis - Permian
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Odonata - Adult modifications
Modifications for a predatory life
Large eyes
Well-developed mandibles
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Odonata - Adult modifications
Modifications for a predatory life
-orientation of thoracic segments
-changed orientation of legs
-spines on legs
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Odonata - larval modifications
Modifications for an aquatic predatory life
Mouthparts
submentum
palp
mentumprementum
Larvae Hunting
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Odonata - Classification - OLD
Zygoptera
Anisozygoptera
Anisoptera
-larvae with caudal lamellae-wings held vertically at rest-wings same size
-larvae with no caudal lamellae-wings held horizontally at rest-wings different size
Odonata
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Simplified Evolutionary History of the Odonata
300 200 100
Carboniferous Permian Triassic Jurassic Cretaceous
Protodonata
Epiophlebioptera
“Anisozygoptera”Anisoptera
Zygoptera
Paleodictyoptera
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Zygoptera
Anisoptera
Epiophlebioptera
Epiprocta
Zygoptera
Anisozygoptera
Anisoptera
Odonata
Odonata
Odonata - Relationships
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Zygoptera
Anisoptera
Epiophlebioptera
Epiprocta
Odonata
-larvae with caudal lamellae-wings held vertically at rest-wings same size-wings petiolate
-larvae with no caudal lamellae-wings held horizontally at rest-wings different size
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Number of Species
Common names
Distinguishing characteristics
Other features
Typical habitats
Odonata - Suborders
≈ 2000
damselflies
Aquatic nymph, aerial adult
-direct flight muscles-wings can’t be folded-wings are same size-wings held vertically-slender-nymph - 3 caudal gills
ZygopteraZygo - equal, ptera- wing
-nymphs with labial mask for prey capture-Primitive wing venation
AnisopteraAniso - unequal, ptera- wing
dragonflies
-direct flight muscles-wings can’t be folded- hind wing larger- wings held horizontally-robust-nymph - no caudal gills
≈ 4000
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Odonata - Suborders - Zygoptera
Damselflies - distinguishing features
1. Larvae with Caudal Lamellae
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Odonata - Suborders - Zygoptera
Damselflies - distinguishing features
1. Larvae with caudal lamellae
2. Wings held vertically at rest
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Odonata - Suborders - Zygoptera
Damselflies - distinguishing features
1. Larvae with caudal lamellae
2. Wings held vertically at rest
3. Wings are same size and shape
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Odonata - Suborders - Zygoptera
Damselflies - distinguishing features
1. Larvae with caudal lamellae
2. Wings held vertically at rest
3. Wings are same size and shape
3. Wings are petiolate
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Zygoptera – other features
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Odonata - Suborders - Anisoptera
Dragonflies - distinguishing features
1. Larvae with no caudal lamellae
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Odonata - Suborders - Anisoptera
Dragonflies - distinguishing features
1. Larvae with no caudal lamellae
2. Wings held horizontally at rest
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Odonata - Suborders - Anisoptera
Dragonflies - distinguishing features
1. Larvae with no caudal lamellae
2. Wings held horizontally at rest
3. Wings are a different size and shape
Anal lobe
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Odonata - Suborders - Epiophlebioptera
Living fossils - share features of Zygoptera and Anisoptera
Zygoptera Anisoptera
-wings are petiolate
-wings are ≈
-nymphs - no caudal lamellae
(-but no jet propulsion)
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Odonata - Suborders - Epiophlebioptera
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Odonata - Suborders - Epiophlebioptera
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Odonata - General Features
Mating
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Hagenius brevistylus
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Odonata - General Features
Mating
Penes of maleArgia (Odonata)
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Odonata - General Features
Mating
Courtship
Copulation
Oviposition
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Odonata - General Features
Territory
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Odonata - General Features
Territory
Switzer 2002
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Odonata - General Features
Life Cycle
Aquatic nymph
Flies inland to feed and mature
Returns to water to set up territory and mate
Nymph leaves water and molts
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Odonata - oviposition
Endophytic
Exophytic
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So far in classfication
Zygoptera
Epiophlebioptera
Anisoptera
Odonata
Ephemeroptera
Paleoptera
NEOPTERA
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Video on Dragonflies (Ignore the largely stupid, overly dramatic commentary)
http://www.youtube.com/watch?v=Ezq_JWd1Sd8
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Neoptera
Plecoptera
PhasmidaOrthoptera
Zoraptera
Blattaria
GrylloblattodeaMantophasmatodea
EmbiodeaDermaptera
MantodeaIsoptera
PsocopteraPhthirapteraThysanopteraHemipteraColeopteraRhaphidiopteraMegalopteraNeuropteraHymenopteraMecopteraSiphonapteraDipteraStrepsipteraTrichopteraLepidoptera
Polyneoptera
Paraneoptera
Neuropterida
Panorpida?