Paleoptera

January 24, 2018 | Author: Anonymous | Category: Science, Biology, Zoology, Entomology
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Short Description

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Description

ODONATA

Dragonflies and Damselflies

Forerunners of the Odonata

Paleodictyoptera

Protodonata

Forerunners of the Odonata

Protodonata

Simplified Evolutionary History of the Odonata 300 Carboniferous

200 Permian

Triassic

Jurassic

100 Cretaceous

Paleodictyoptera Protodonata Epiophlebioptera “Anisozygoptera” Anisoptera

Zygoptera

Hexapod Orders Odonata

Odon - tooth

Number of Species

>5000

Common names

damselflies, dragonflies, skippers , darners

Typical habitats

Aquatic nymph, aerial adult

Distinguishing characteristics

Other features

-direct flight muscles -wings can’t be folded

-nymphs with labial mask for prey capture -primitive wing venation - archedictyon

Odonata

Direct flight muscles





Odonata -Evolutionary History

Meganeuropsis - Permian

Odonata - Adult modifications Modifications for a predatory life

Well-developed mandibles Large eyes

Odonata - Adult modifications Modifications for a predatory life

-orientation of thoracic segments

-changed orientation of legs -spines on legs

Odonata - larval modifications Modifications for an aquatic predatory life Mouthparts

palp

prementum

mentum

submentum

Larvae Hunting

Odonata - Classification - OLD

-larvae with caudal lamellae -wings held vertically at rest -wings same size

Zygoptera

Odonata Anisozygoptera -larvae with no caudal lamellae -wings held horizontally at rest -wings different size

Anisoptera

Simplified Evolutionary History of the Odonata 300 Carboniferous

200 Permian

Triassic

Jurassic

100 Cretaceous

Paleodictyoptera Protodonata Epiophlebioptera “Anisozygoptera” Anisoptera

Zygoptera

Odonata - Relationships Zygoptera

Odonata

Anisozygoptera

Anisoptera Zygoptera

Odonata

Epiophlebioptera

Epiprocta Anisoptera

-larvae with caudal lamellae -wings held vertically at rest -wings same size -wings petiolate

Zygoptera

Odonata

Epiophlebioptera

Epiprocta -larvae with no caudal lamellae -wings held horizontally at rest -wings different size

Anisoptera

Odonata - Suborders Zygoptera Zygo - equal, ptera- wing Number of Species

Common names

Typical habitats

Distinguishing characteristics

Other features

≈ 2000

damselflies

Anisoptera Aniso - unequal, ptera- wing ≈ 4000

dragonflies

Aquatic nymph, aerial adult

-direct flight muscles -wings can’t be folded -wings are same size -wings held vertically -slender -nymph - 3 caudal gills

-nymphs with labial mask for prey capture -Primitive wing venation

-direct flight muscles -wings can’t be folded - hind wing larger - wings held horizontally -robust -nymph - no caudal gills

Odonata - Suborders - Zygoptera Damselflies - distinguishing features 1. Larvae with Caudal Lamellae

Odonata - Suborders - Zygoptera Damselflies - distinguishing features 1. Larvae with caudal lamellae

2. Wings held vertically at rest

Odonata - Suborders - Zygoptera Damselflies - distinguishing features 1. Larvae with caudal lamellae

2. Wings held vertically at rest 3. Wings are same size and shape

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

Zygoptera – other features

Odonata - Suborders - Anisoptera Dragonflies - distinguishing features 1. Larvae with no caudal lamellae

Odonata - Suborders - Anisoptera Dragonflies - distinguishing features 1. Larvae with no caudal lamellae

2. Wings held horizontally at rest

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

Odonata - Suborders - Epiophlebioptera Living fossils - share features of Zygoptera and Anisoptera

Zygoptera -wings are petiolate -wings are ≈

Anisoptera -nymphs - no caudal lamellae (-but no jet propulsion)

Odonata - Suborders - Epiophlebioptera

Odonata - Suborders - Epiophlebioptera

Odonata - General Features Mating

Hagenius brevistylus

Odonata - General Features Mating

Penes of male Argia (Odonata)

Odonata - General Features Mating

Courtship

Oviposition

Copulation

Odonata - General Features Territory

Odonata - General Features Territory

Switzer 2002

Odonata - General Features Life Cycle

Flies inland to feed and mature

Returns to water to set up territory and mate

Nymph leaves water and molts

Aquatic nymph

Odonata - oviposition

Exophytic

Endophytic

So far in classfication Ephemeroptera

Paleoptera

Zygoptera

Odonata Epiophlebioptera

Anisoptera NEOPTERA

Video on Dragonflies (Ignore the largely stupid, overly dramatic commentary)

http://www.youtube.com/watch?v=Ezq_JWd1Sd8

Neoptera

?

Plecoptera Zoraptera Embiodea Dermaptera Grylloblattodea Mantophasmatodea Phasmida Orthoptera Mantodea Isoptera Blattaria Psocoptera Phthiraptera Thysanoptera Hemiptera Coleoptera Rhaphidioptera Megaloptera Neuroptera Hymenoptera Mecoptera Siphonaptera Diptera Strepsiptera Trichoptera Lepidoptera

Polyneoptera

Paraneoptera

Neuropterida

Panorpida

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