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Basic Entomology Matt Bowser U.S. Fish & Wildlife Service, Kenai National Wildlife Refuge January 29, 2013
Basic Entomology
Matt Bowser
U.S. Fish & Wildlife Service,Kenai National Wildlife Refuge
January 29, 2013
Outline
● Classification● Insect anatomy● Insect development● Common garden insects● Identification
Classification
Kingdom AnimaliaPhylum Arthropoda
Class InsectaOrder Diptera
Family AnthomyiidaeGenus Delia
Species Delia floralis
ClassificationChelicerates Crustaceans Myriapods Insects
Chelate mouth parts Mandibulate mouth parts
No antennae Two pairs of antennae One pair of antennae
Few to many pairs of legs Many pairs of legs Three pairs of legs
Classification
Insect Anatomy: Exoskeleton
● Cuticle● Epidermis● Basement membrane
Insect Anatomy: Exoskeleton
● Hardened sclerites
separated by● membranes
Insect Anatomy: Body Regions (=tagmata)
Insect Anatomy: Mouthparts
● Labrum● Mandible● Maxilla● Labium
Insect Anatomy: Mouthparts
● Chewing● Piercing/sucking● Chewing/lapping● Sponging
Insect Anatomy: Antennae
Insect Anatomy: Legs
Insect Anatomy: Wings
Insect Anatomy: Wings
Insect Anatomy: Wings
Insect Development:Without Metamorphosis
● Egg● Immature● Adult
Insect Development:Incomplete Metamorphosis
● Egg● Nymph● Adult
Insect Development:Complete Metamorphosis
● Egg● Larva● Pupa● Adult
Insect Development:Complete Metamorphosis
Common Garden Insects:Coleoptera (Beetles)
● 1st pair of wings hardened (elytra)
● Chewing mouthparts● Complete
metamorphosis
Common Garden Insects:Diptera (Flies)
● 2nd pair of wings reduced to a club-like haltere
● Sucking or sponging mouthparts
● Complete metamorphosis
Common Garden Insects: Hemiptera (True Bugs, Aphids, Hoppers, Scales)
● Piercing/sucking mouthparts
● Incomplete metamorphosis
● May transmit plant pathogens
Common Garden Insects:Hymenoptera (Wasps, Bees, Ants, Sawflies)
● Two pairs of membranous wings
● Chewing mouthparts● Complete
metamorphosis
Common Garden Insects:Lepidoptera (Butterflies, Moths, Skippers)
● Scaled wings● Sucking mouthparts● Complete
metamorphosis
Identification: Field Guides
Identification: Internet Resources
