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Welcome to “Bug” Week

Welcome to “Bug” Week. Test scores, not terrible Snack Bar reminder Bug Day is Friday! Use the laptops to get vocabulary and chart done Lab (sketches) and Video coming up www.cirrusimage.com. Insect Collection - Tuesday. 1. Grasshopper, cricket, roach, mantis 2. true bug

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Welcome to “Bug” Week

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  1. Welcome to “Bug” Week • Test scores, not terrible • Snack Bar reminder • Bug Day is Friday! • Use the laptops to get vocabulary and chart done • Lab (sketches) and Video coming up • www.cirrusimage.com

  2. Insect Collection - Tuesday • 1. Grasshopper, cricket, roach, mantis • 2. true bug • 3. cicadas or leaf or plant hopper • 4. beetle • 5. fly • 6. ant, bee or wasp • 7. butterfly or moth • 8. dragonfly, lacewing, termite, flea, silverfish • 9. spider • 10. isopod, or centipede or millipede

  3. www.cirrusimage.comwww.cirrusimage.com

  4. Chitin Ecdysis Elytra Entomology Haltere Larva Instar Malpighian tubules Metamorphosis Nymph Ovipositor Pheromones Pupa Spiracles Tympanum Insect Vocabulary

  5. Insects

  6. Chitin – Material that makes up the exoskeleton. Ecdysis – correct term for molting/shedding of exoskeleton

  7. Elytra front wings of beetles modified into wing cover.

  8. Entomology • The study of insects

  9. Haltere – modified 2nd pr of wings in flies.

  10. LarvaFeeding stage in complete metamorphosis.

  11. Instar • Each of the stages between molts.

  12. Malpighian tubules • The excretory structures (“kidneys”) of the insect.

  13. Metamorphosis • “Change in form” during growth. • Complete – • separate stages (larva, pupa) • More advanced • All the most successful orders have complete metamorphosis • Incomplete – young resemble adult

  14. Nymph • Immature stage. Resembles the adult to some extent. A stage in incomplete metamorphosis.

  15. Ovipositor • Egg laying structure (female only) • Becomes sting in bees and wasps

  16. Pheromones • Chemical messages, like hormones but released into the environment. • Lock and key with receptors on the male antenna • 1 mile range!

  17. Pupa • Transformation stage where the larva changes to an adult. • Special terms like cocoon or chrysalis

  18. Spiracles • Openings to the breathing tubes (tracheae) which support respiration in insects.

  19. Tympanum • The “ear” of the insect.

  20. General Insect Characteristics • 3 body parts, head, thorax, abdomen • 6 legs, usually 2 pr. Wings - all from thorax • Exoskeleton of chitin • Breathe by spiracles/tracheae • Wide variety of mouthparts • Complete or incomplete metamorphosis • Estimates as high as 30 million species

  21. Beetles - Coleoptera • Wings - 1st pr. modified into elytra • Allow beetles to go places other insects can’t • Mouthparts - chewing • Metamorphosis - complete - larva often called a grub • Other - largest order • Weevils, scarabs, mealworms, etc.

  22. Beetles - Coleoptera

  23. Butterflies - Lepidoptera • Wings - Scale covered • Mouthparts - Siphoning • Metamorphosis – Complete, larva called caterpillar • Butterflies – wings upright, antenna w/ nobs, narrow body, day active. • Moths – wings fold, feathery antenna, wide body, night active. • Other – a “skipper” has characteristics of both

  24. Butterflies - Lepidoptera

  25. Ants & Bees - Hymenoptera • Wings - 2 pr. Linked, membrane winged • Mouthparts - Chewing • Metamorphosis - Complete • Other - Social, solitary or parasites, 3rd largest • Narrow constriction between thorax and abdomen • Ovipositor modified into sting

  26. Ants & Bees - Hymenoptera

  27. Flies - Diptera • Wings - only 1 pr. 2nd pr - halteres, for balance • Mouthparts - lapping or biting • Metamorphosis - complete, larva are maggots or wigglers (mosquitos) • Other - disease carriers; 4th largest • Gnats, midges, punkies

  28. Flies - Diptera

  29. Dragonflies - Odonata • Wings - 2 pair • Mouthparts - chewing • Metamorphosis - Incomplete, aquatic nymphs, rectal gills, jet propulsion • Other – predators, even as nymphs • Damselflies can fold wings against body, narrow abdomen • Legs form a basket underneath • Fossil dragonflies wingspan, 2 ½ feet.

  30. Dragonflies - Odonata

  31. Grasshoppers - Orthoptera • Wings - 2 pr - straight - 1st leathery • Mouthparts - Chewing • Metamorphosis - Incomplete • Other - roaches, mantids, grasshoppers, walking sticks, etc.

  32. Grasshoppers - Orthoptera

  33. Termites - Isoptera • Wings - 2 pr. Straight if present • Mouthparts - chewing • Metamorphosis - Incomplete • Other - All social, flagellates are symbiotic • Castes include soldiers; 5,000,000 in a colony; huge part of tropical ecosystems; queen might live 50 years

  34. Termites - Isoptera

  35. True Bugs - Hemiptera • Wings - half-winged, front leathery, back membranous • Mouthparts - Piercing/sucking - beak • Metamorphosis - Incomplete • Other - plant parasites, predators

  36. True Bugs - Hemiptera

  37. More Hemiptera

  38. Cicadas - Homoptera • Wings - 2 pr, straight if present • Mouthparts - Piercing/sucking (plants) • Metamorphosis - Incomplete • Other – leaf and plant hoppers, 17 year cicada

  39. Cicadas - Homoptera

  40. Fleas - Siphonoptera • Wings - n/a • Mouthparts - Biting • Metamorphosis - Complete • Other - all parasites, flattened to move between hairs/feathers • Sense heat and jump to host.

  41. Fleas - Siphonoptera

  42. Insect Study Lab Hissing roaches – sketch plus 3 good factsMosquito – sketch 3 stages.Mealworm beetle – sketch 3 stagesFlea – sketch plus 3 factsbutterfly scale – sketchhoneybee – notes, (include castes, honey, etc)cricket – sketch plus 3 factszoobooks – 10 facts you would share

  43. Insect TEST60% 40% Vocabulary List Metamorphosis - types Life - Insects • Orders of Insects • Beetles • Flies • True bugs • Termites • Cicadas • Dragonflies • Grasshoppers • Fleas • Butterflies • Ants, bees

  44. Insect Notebook • Vocab List 15 • Chart Reading 10 • Chap. Practice test 30 • Orders Chart 20 • Lab sketches 40 • Insects video 10 • TOTAL 125

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