INSECT APTERYGOTA

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INSECT - APTERYGOTA
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Entognatha
Archaeognatha
Zygentoma Thysanura
Hexapoda
Ephemeroptera
Odonata
Insecta
Plecoptera
Embiodea
Pterygota
Zoraptera
Dermaptera
Grylloblattodea
?
Mantophasmatodea
Orthoptera
Phasmatodea
Blattaria
Isoptera
Mantodea
Neoptera
Psocoptera
Phthiraptera
Thysanoptera
Hemiptera
Coleoptera
Rhaphidioptera
Megaloptera
Neuroptera
Hymenoptera
Mecoptera
Holometabola
Siphonaptera
Diptera
Apterygotes
Strepsiptera
Trichoptera
Paleoptera
Lepidoptera
Hemimetabolous
Holometabolous
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Molar
Mandibles long - Molar incisor surfaces -
separated
No wings Mouthparts exposed
Archaeognatha
Incisor
Insecta
Thysanura
Mandibles short - Molar incisor surfaces -
close
Molar
Pterygota
Incisor
Wings Mouthparts exposed
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Hexapod Orders
Archaeognatha
Archaeo - ancient, gnatha - jaw
Number of Species
ca. 350
Common names
bristletails
Typical habitats
Variable - moist, cool to desert and chaparral
Distinguishing characteristics

• mouthparts exposed
• Mandible with molar incisor surfaces separate

Other features

• Development is epimorphic

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Hexapod Orders
Thysanura
Thysano -bristle, fringe ura - tail
Number of Species
ca. 400
Common names
silverfish, firebrats
Typical habitats
Variable - moist, cool, dark - litter, houses
Distinguishing characteristics

• Mandible - molar and incisor surfaces close

• covered in scales
• ametabolous
• can live for 6 years (through 60 moults)

Other features
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Thysanura
-panoistic ovariole
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Review of Wingless Hexapoda
Antennae Furca
Collembola
No cerci
Mouthparts in pouch
Protura
Entognatha
No antennae No furca
Diplura
Cerci
Hexapoda
Mandibles with molar incisor surfaces separated
Archaeognatha
Mouthparts exposed
Insecta
Mandibles with molar incisor surfaces close
Thysanura