Phylum arthropoda
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Phylum Arthropoda - PowerPoint PPT Presentation

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Phylum Arthropoda. Subphylum Uniramia. Subphylum Uniramia. Class: Diplopoda (dip-lop-o-da) Millipedes Class: Chilopoda (ki-lop-o-da) Centipedes Class: Insecta (in-sect-a) Insects. Class: Diplopoda. Note two pair of appendages per somite. Return to Uniramia. House centipedes.

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Phylum arthropoda l.jpg

Phylum Arthropoda

Subphylum Uniramia

Subphylum uniramia l.jpg
Subphylum Uniramia

  • Class: Diplopoda (dip-lop-o-da)

    • Millipedes

  • Class: Chilopoda (ki-lop-o-da)

    • Centipedes

  • Class: Insecta (in-sect-a)

    • Insects

Class diplopoda l.jpg
Class: Diplopoda

  • Note two pair of appendages per somite

Return to Uniramia

Class chilopoda l.jpg



Dorsal view

Ventral view

Class: Chilopoda

  • Appendagesof first body segment modified into poison fangs

Class insecta l.jpg
Class Insecta

  • Head, thorax, and abdomen distinct. Typically with two pair of wings

  • Order: Thysanura (silverfish)

  • Order: Ephemeroptera (mayflies)

  • Order: Odonata (dragonflies and damselflies)

  • Order: Orthoptera (crickets and grasshoppers)

  • Order: Phasmida (walking sticks)

  • Order: Blattaria (cockroaches)

  • Order: Mantodea (praying mantids)

  • Order: Isoptera (termites)

Insecta orders continue l.jpg
Insecta (orders continue)

  • Order: Hemiptera (true bugs)

  • Order: Homoptera (cicadas, aphids, leafhoppers, scale insects)

  • Order: Neuroptera (lacewings, ant lions, dobsonflies)

  • Order: Coleoptera (beetles, weevils, fireflies)

  • Order: Lepidoptera (butterflies and moths)

  • Order: Diptera (true flies)

  • Order: Siphonaptera (fleas)

  • Order: Hymenoptera (ants, bees, wasps)

Order thysanura l.jpg

Return to Insecta

Order Thysanura

  • Silverfish

    • Primitive unwinged insects. Three long terminal cerci (filaments)

Order ephemeroptera l.jpg

Return to Insecta

Order: Ephemeroptera

  • Mayflies

    • The forewings are much larger than the hind wings, note the two long cerci on the last abdominal segment.

Order odonata l.jpg



Return to Insecta

Order: Odonata

  • Dragonflies and damselflies

    • Long narrow bodies with long narrow membranous wings that are similar in size.

Order orthoptera l.jpg

House cricket

Camel Crickets

Cave cricket


Mole cricket

Return to Insecta

Order: Orthoptera

  • Crickets and grasshoppers

    • Enlarged femur on third walking leg

Order phasmida l.jpg

Return to Insecta

Order: Phasmida

  • Walking sticks

    • Very elongated and twig-like in appearance

Order blattaria l.jpg

Return to Insecta

Order: Blattaria

  • Cockroaches

    • Oval flattened shape with the head concealed under the pronotum (shield)

Order mantodea l.jpg

Egg case

Return to Insecta

Order: Mantodea

  • Prey Mantids

    • Modified front legs with front femora and tibiae are armed with strong spines and fitted for grasping prey.

Order isoptera l.jpg

Return to Insecta

Order: Isoptera

  • Termites

    • Distinguishable from ants by broad union of thorax and abdomen.

Order hemiptera l.jpg

Return to Insecta

Order: Hemiptera

  • True bugs

    • Forewings with base portion leathery, apical portion membranous. Piercing sucking mouthparts.

Order homoptera l.jpg

Return to Insecta

Order: Homoptera

  • Cicadas, aphids, leafhoppers, scale insects

    • Wings held roof-like over body, piercing sucking mouthparts

Order neuroptera l.jpg


Ant lion larva




Return to Insecta

Order: Neuroptera

  • Lacewings, ant lions, dobsonflies

    • Membranous wings with many cross veins

Order coleoptera l.jpg

Return to Insecta

Order: Coleoptera

  • Beetles, weevils, fireflies

    • Front (top) wings thick and hard

Order lepidoptera l.jpg

Return to Insecta

Order: Lepidoptera

  • Butterflies and moths

    • Wings with overlapping scales, coiled sucking mouthparts

Order diptera l.jpg

Return to Insecta

Order Diptera

  • True flies

    • One pair of wings others modified into halteres

Order siphonaptera l.jpg

Return to Insecta

Order: Siphonaptera

  • Fleas

    • Laterally compressed body, no wings, piercing, sucking mouth parts.

Order hymenoptera l.jpg

Return to Insecta

Order: Hymenoptera

  • Ants, bees, wasps

    • Membranous, narrow wings coupled distally.

Last slide