entomology insects in kansas probably between 15 and 20 thousand species
TRANSCRIPT
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Entomology
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Insects in Kansas• Probably
between 15 and 20 thousand species
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What is an Insect?
• Invertebrates• Exoskeleton• 6 legs• 3 body parts
– Head– Thorax– Abdomen
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Arthropods• Insects are
Arthropods• So are
arachnids (spiders, ticks, and mites), centipedes and millipedes, crustaceans
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Importance of Insects• Some are
harmful to humans - less than 100 species
• Some are beneficial
• Most are neutral
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Reproduction
• Separate sexes• Pathogenesis
– Without fertilization
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Metamorphosis (types of)
• None• Gradual• Incomplete• Complete
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Complete Metamorphosis
• Butterflies• Houseflies• Bees• Beetles
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Egg
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Larva
• Maggots- flies• Grub worms-
beetles• Meal worms-
beetles• Caterpillars-
butterflies, moths
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Caterpillar (larva)
• 6 legs
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Pupa• Resting
stage• Called
chrysalises in butterflies
QuickTime™ and aTIFF (Uncompressed) decompressor
are needed to see this picture.
•Sealed in a cocoon
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Dormancy
• A stage of inactivity in the life cycle
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Adult
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Molting
• The shedding of the exoskeleton to allow for growth
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Major OrdersThere are over 40 orders
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Order Coleoptera
• Beetles
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Order Diptera
• Flies• Gnats• Mosquitoes
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Order Lepidoptera
• Moths• Butterflies
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Order Lepidoptera
Luna Moth
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Order Lepidoptera
Monarch
Viceroy
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Order Hymenoptera
• Ants• Bees• Wasps
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Order Hymenoptera
• Cicada Killer Wasp
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Order Hymenoptera - Carpenter Ants
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Order Orthoptera
• Crickets• Grasshoppers• Katydids
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Order Isoptera • Termites
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Order Hemiptera – True bugs
• Stink bugs• bed bugs• water
strider
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Order Homoptera
CicadaAphids
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Order Odonata
• Dragonflies
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Order Mantodea
• Praying Mantises