Presentation on theme: "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."— Presentation transcript:
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 KingdomKids PhylumPlaying ClassCatch Order On FamilyFreeways GenusGet SpeciesSmooshed
Notes on Insect Anatomy
Diptera True Flies –1 pair of membranous wings. –2 nd pair of reduced wings for balancers. –Sucking mouth parts.
Ephemeroptera Mayflies –2 pairs of membranous triangular shaped wings. 1 st 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.
Hemiptera True Bugs –2 pairs of wings that are not alike. 1 st pair is membranous and horny. 2 nd 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 1 st pair is long 2 nd pair is larger and folded in pleats Chewing mouth parts Cerci
Coleoptera Beetles –2 pairs of unlike wings 1 st pair meets in a straight line down the back 2 nd pair is membranous and folded under the front wings –Chewing mouth parts –No cerci
Orthoptera Grasshoppers and crickets –2 pairs of unlike wings 1 st pair is long and thick 2 nd pair is membranous, triangular and folded in pleats Chewing mouth parts cerci
Dermaptera Earwigs –2 pairs of unlike wings 1 st pair meets in a line down the back 2 nd 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: ary/compendium/index.htmlhttp://www.cals.ncsu.edu/course/ent425/libr ary/compendium/index.html