Insects. Know your taxonomy Kingdom Animalia Phylum Arthropoda Subphylum Uniramia Class Insecta.
Phylum Arthropoda Subphylum Uniramia End show Jenna Hellack Fall 2000 Subphylum Uniramia Class:...
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Transcript of Phylum Arthropoda Subphylum Uniramia End show Jenna Hellack Fall 2000 Subphylum Uniramia Class:...
Phylum Arthropoda
Subphylum UniramiaSubphylum Uniramia
End show
Jenna Hellack Fall 2000
Subphylum Uniramia
Class: Diplopoda (dip-lop-o-da)Millipedes
Class: Chilopoda (ki-lop-o-da)Centipedes
Class: Insecta (in-sect-a)Insects
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Jenna Hellack Fall 2000
Class: Diplopoda
Note two pair of appendages per somite
Return to Uniramia
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Jenna Hellack Fall 2000
Class: Chilopoda Appendages of first body segment modified into poison
fangs
Ventral view
House centipedes
Dorsal view
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Jenna Hellack Fall 2000
Class Insecta
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)
•Head, thorax, and abdomen distinct. Typically with two pair of wings
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Jenna Hellack Fall 2000
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)
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Jenna Hellack Fall 2000
Order Thysanura Silverfish
Primitive unwinged insects. Three long terminal cerci (filaments)
Return to Insecta
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Jenna Hellack Fall 2000
Order: Ephemeroptera Mayflies
The forewings are much larger than the hind wings, note the two long cerci on the last abdominal segment.
Return to Insecta
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Jenna Hellack Fall 2000
Order: Odonata Dragonflies and damselflies
Long narrow bodies with long narrow membranous wings that are similar in size.
Return to Insecta
Dragonflies Damselflies
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Jenna Hellack Fall 2000
Order: Orthoptera Crickets and grasshoppers
Enlarged femur on third walking leg
Return to Insecta
House cricket
Mole cricket
Camel Crickets Cave cricket
Grasshoppers
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Jenna Hellack Fall 2000
Order: Phasmida
Walking sticks Very elongated and twig-like in appearance
Return to Insecta
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Jenna Hellack Fall 2000
Order: Blattaria Cockroaches
Oval flattened shape with the head concealed under the pronotum (shield)
Return to Insecta
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Jenna Hellack Fall 2000
Order: Mantodea
Prey Mantids Modified front legs with front femora and tibiae are armed with
strong spines and fitted for grasping prey.
Return to Insecta
Egg case
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Jenna Hellack Fall 2000
Order: Isoptera
Termites Distinguishable from ants by broad union of thorax and abdomen.
Return to Insecta
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Jenna Hellack Fall 2000
Order: Hemiptera
True bugs Forewings with base portion leathery, apical portion membranous.
Piercing sucking mouthparts.
Return to Insecta
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Jenna Hellack Fall 2000
Order: Homoptera
Cicadas, aphids, leafhoppers, scale insects Wings held roof-like over body, piercing sucking mouthparts
Return to Insecta
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Jenna Hellack Fall 2000
Order: Neuroptera Lacewings, ant lions, dobsonflies
Membranous wings with many cross veins
Return to Insecta
Ant lion larva(doodlebug)
LacewingDobsonflies
¢
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Jenna Hellack Fall 2000
Order: Coleoptera
Beetles, weevils, fireflies Front (top) wings thick and hard
Return to Insecta
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Jenna Hellack Fall 2000
Order: Lepidoptera Butterflies and moths
Wings with overlapping scales, coiled sucking mouthparts
Return to Insecta
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Jenna Hellack Fall 2000
Order Diptera
True flies One pair of wings others modified into halteres
Return to Insecta
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Jenna Hellack Fall 2000
Order: Siphonaptera Fleas
Laterally compressed body, no wings, piercing, sucking mouth parts.
Return to Insecta
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Jenna Hellack Fall 2000
Order: Hymenoptera Ants, bees, wasps
Membranous, narrow wings coupled distally.
Return to Insecta
Last slide