Welcome to “Bug” WeekTest scores, not terribleSnack Bar reminderBug Day is Friday!Use the laptops to get vocabulary and chart done Lab (sketches) and Video coming upwww.cirrusimage.com
Insect Collection - Tuesday1. Grasshopper, cricket, roach, mantis2. true bug3. cicadas or leaf or plant hopper4. beetle5. fly6. ant, bee or wasp7. butterfly or moth8. dragonfly, lacewing, termite, flea, silverfish9. spider10. isopod, or centipede or millipede
Insect Vocabulary
ChitinEcdysisElytraEntomologyHaltereLarvaInstar
Malpighian tubules MetamorphosisNymphOvipositorPheromonesPupaSpiraclesTympanum
Chitin – Material that makes up the exoskeleton.
Ecdysis – correct term for molting/shedding of exoskeleton
Metamorphosis
“Change in form” during growth.Complete –
separate stages (larva, pupa)More advancedAll the most successful orders have complete metamorphosis
Incomplete – young resemble adult
Pheromones
Chemical messages, like hormones but released into the environment.Lock and key with receptors on the male antenna1 mile range!
Pupa
Transformation stage where the larva changes to an adult.Special terms like cocoon or chrysalis
General Insect Characteristics3 body parts, head, thorax, abdomen6 legs, usually 2 pr. Wings - all from thoraxExoskeleton of chitinBreathe by spiracles/tracheaeWide variety of mouthpartsComplete or incomplete metamorphosisEstimates as high as 30 million species
Beetles - Coleoptera
Wings - 1st pr. modified into elytraAllow beetles to go places other insects can’t
Mouthparts - chewingMetamorphosis - complete - larva often called a grubOther - largest orderWeevils, scarabs, mealworms, etc.
Butterflies - Lepidoptera
Wings - Scale coveredMouthparts - SiphoningMetamorphosis – Complete, larva called caterpillarButterflies – 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
Ants & Bees - Hymenoptera
Wings - 2 pr. Linked, membrane wingedMouthparts - ChewingMetamorphosis - CompleteOther - Social, solitary or parasites, 3rd largestNarrow constriction between thorax and abdomenOvipositor modified into sting
Flies - Diptera
Wings - only 1 pr. 2nd pr - halteres, for balanceMouthparts - lapping or bitingMetamorphosis - complete, larva are maggots or wigglers (mosquitos)Other - disease carriers; 4th largestGnats, midges, punkies
Dragonflies - Odonata
Wings - 2 pairMouthparts - chewingMetamorphosis - Incomplete, aquatic nymphs, rectal gills, jet propulsionOther – predators, even as nymphsDamselflies can fold wings against body, narrow abdomenLegs form a basket underneathFossil dragonflies wingspan, 2 ½ feet.
Grasshoppers - Orthoptera
Wings - 2 pr - straight - 1st leatheryMouthparts - ChewingMetamorphosis - IncompleteOther - roaches, mantids, grasshoppers, walking sticks, etc.
Termites - Isoptera
Wings - 2 pr. Straight if presentMouthparts - chewingMetamorphosis - IncompleteOther - All social, flagellates are symbioticCastes include soldiers; 5,000,000 in a colony; huge part of tropical ecosystems; queen might live 50 years
True Bugs - Hemiptera
Wings - half-winged, front leathery, back membranous Mouthparts - Piercing/sucking - beakMetamorphosis - IncompleteOther - plant parasites, predators
Cicadas - Homoptera
Wings - 2 pr, straight if presentMouthparts - Piercing/sucking (plants)Metamorphosis - IncompleteOther – leaf and plant hoppers, 17 year cicada
Fleas - Siphonoptera
Wings - n/aMouthparts - BitingMetamorphosis - CompleteOther - all parasites, flattened to move between hairs/feathersSense heat and jump to host.
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
Insect Study Lab
Insect TEST60% 40%
Orders of InsectsA. BeetlesB. FliesC. True bugsD. TermitesE. CicadasF. DragonfliesG. GrasshoppersH. FleasI. ButterfliesJ. Ants, bees
Vocabulary ListMetamorphosis - typesLife - Insects