common insect orders. a review of taxonomy all organisms are broken into a series of groups, called...

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