common insect orders. a review of taxonomy all organisms are broken into a series of groups, called...
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Common Insect Orders
A Review of Taxonomy
• All organisms are broken into a series of groups, called taxa.– The smallest taxon is the species and the largest
taxon is the domain.
A Review of Taxonomy
• Domain• Kingdom Kids• Phylum Playing• Class Catch• Order On• Family Freeways• Genus Get• Species Smooshed
Notes on Insect Anatomy
Notes on Insect Anatomy
Notes on Insect Anatomy
Diptera
• True Flies– 1 pair of membranous wings.– 2nd pair of reduced wings for balancers.– Sucking mouth parts.
Ephemeroptera
• Mayflies– 2 pairs of membranous triangular shaped wings.
• 1st pair is larger
– 3 cerci on tip of abdomen.
Lepidoptera
• Butterflies and Moths– 2 pairs of membranous wings scales.– Sucking mouth parts coiled under the head.
Trichoptera
• Cadisflies– 2 pairs of hairy membranous wings.– Chewing mouth parts.– Larva are aquatic and usually build cases.
Homoptera• Hoppers, Aphids, and Cicadas
– 2 pairs of similar membranous wings.– Sucking mouth parts.
Neuroptera
• Lacewings– 2 pairs
membranous wings
– Chewing mouthparts
Hemiptera• True Bugs
– 2 pairs of wings that are not alike.• 1st pair is membranous and horny.
• 2nd pair is membranous.
– Sucking mouth parts.
Odonata
• Dragonflies and Damselflies– 2 pairs of long membranous wings.
• Wings are similar in size and shape.
– Chewing mouth parts.
Mecoptera
• Scorpionflies– 2 pairs of similar
membranous wings– Chewing mouth parts
Hymenoptera• Bees, wasps, and ants
– 2 pairs of membranous wings with reduced veination
– Chewing or chewing and sucking mouth parts
– Female has sawlike or peircing ovipositor or a stinger
– Many live together in colonies
Plecoptera• Stone flies
– Have 2 pairs of membranous wings• 1st pair is long
• 2nd pair is larger and folded in pleats
• Chewing mouth parts
• Cerci
Coleoptera
• Beetles– 2 pairs of unlike wings
• 1st pair meets in a straight line down the back
• 2nd pair is membranous and folded under the front wings
– Chewing mouth parts– No cerci
Orthoptera
• Grasshoppers and crickets– 2 pairs of unlike wings
• 1st pair is long and thick
• 2nd pair is membranous, triangular and folded in pleats
• Chewing mouth parts
• cerci
Dermaptera• Earwigs
– 2 pairs of unlike wings• 1st pair meets in a line down the back
• 2nd pair is membranous with radiating veins and is folded lengthwise and crosswise
• Chewing mouth parts
• Forcep-like cerci
Thysanura• Silverfish
– Wingless– Chewing mouth parts– 11 abdominal segments– Usually have long cerci
Review of Dichotomous Keys
• A dichotemous key is a guide for identification based on a series of steps with “yes” or “no” answers.– The answer at each step guides the user to the
next appropriate step.
Good websites to help with identification:
• http://www.cals.ncsu.edu/course/ent425/library/compendium/index.html
• http://bugguide.net/node/view/15740