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