Order Thysanura

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Order Thysanura
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Thysanura (head)
eye

• antennae prominent
• eyes reduced or absent
• ocelli usually absent
• mouthparts ectognathous
• mandibles dicondylic

condyle 1
condyle 2
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Thysanura (thorax)

• thorax depressed

• wings absent
• legs cursorial
• tarsi 2-5 segmented
• coxae without styli

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Thysanura (abdomen)

• 10 segmented
• styli usually present
• exsertile vesicles sometimes present
• median caudal filament present
• cerci present

coxa sternite
exsertile vesicles
stylus
cercus
median caudal filament
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Thysanura (abdomen)
median caudal filament
cercus
gonocoxite 8
gonapophysis 8
gonocoxite 9
gonapophysis 9
female ovipositor structures
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Thysanura (biology/ecology)
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Thysanura (fauna)

• World Fauna
• 4 families
• ca. 370 species
• North American Fauna
• 3 families
• Lepidotrichidae
• Nicoletiidae (lab)
• Lepismatidae (lab)
• ca. 20 species

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Thysanura Nicoletiidae
Atelurinae
Nicoletiinae
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Thysanura Lepismatidae
firebrat
silverfish
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Order Thysanura
FINIS
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Thysanura

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• oooo oooo

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Thysanura

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• oooo oooo

• oooo oooo
• oooo (oooo) oooo

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Thysanura

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• oooo oooo

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• oooo (oooo) oooo

• oooo oooo
• oooo oooo
• oooo oooo

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Order Thysanura
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Order Thysanura
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Order Thysanura