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AGRI 41 | LECTURE | EXAM 2 > Topic 3: Basic Insect Identification > Flashcards

Topic 3: Basic Insect Identification Flashcards

1
Q

INSECT CHARACTERISTICS

A
  1. body divided into 3 regions (head, thorax, abdomen)
  2. 3 pairs of legs
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2
Q

ARTHROPODS CHARACTERISTICS

A
  1. body divided into 2 (cephalothorax, abdomen) or more than 3 divisions
  2. 4 pairs of legs or more
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3
Q

ENTOMOLOGY

A
  1. study of insects
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4
Q

INSECT TAXONOMY

A
  1. identification of insects to designed taxa
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5
Q

IMPORTANCE OF BASIC IDENTIFICATION PROCESS

A
  1. habit (behavior)
  2. habitat (dwelling areas)
  3. control measures (prevention)
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6
Q

INSECT CLASSIFICATION BASED ON METAMORPHOSIS AND DEVELOPMENT

A
  1. ametabolous (no metamorphosis)
  2. paurometabolous (gradual)
  3. hemimetabolous (incomplete)
  4. holometabolous (complete)
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7
Q

AMETABOLOUS

A
  1. primitively wingless insects (silverfish, springtails)
  2. immature form resembles adults
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8
Q

PAUROMETABOLOUS

A
  1. 3 major stages (egg, nymph, adult)
  2. immature form resembles adults
  3. difference to adults (underdeveloped genetalia, wing pads)
  4. hemiptera, orthoptera, phtiraptera
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9
Q

HEMIMETABOLOUS

A
  1. 3 major stages (egg, naiad, adult)
  2. immature form does not resemble adults
  3. immature and adult has different habitat
  4. external wing pads, tracheal gills
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10
Q

HOLOMETABOLOUS

A
  1. 4 major stages (egg, larva, pupa, adult)
  2. larvae may live in same habitat and consume same food as adult
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11
Q

HYPERMETAMORPHOSIS

A
  1. change in body form, feeding behavior, habitat for larva
  2. parasitic hymenoptera, blister beetles
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12
Q

INSECT CLASSIFICATION BASED ON MOUTHPARTS

A
  1. chewing
  2. piercing-sucking
  3. cutting-sponging
  4. sponging
  5. rasping-sucking
  6. siphoning
  7. chewing-lapping
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13
Q

MOUTHPART: CHEWING

A
  1. orthoptera
  2. coleoptera
  3. blattodea
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14
Q

MOUTHPART:: CUTTING-SPONGING

A
  1. horsefly (tabanidae)
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15
Q

MOUTHPART: SPONGING

A
  1. housefly
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16
Q

MOUTHPART: RASPING-SUCKING

A
  1. thysanoptera
17
Q

MOUTHPART: SIPHONING

A
  1. lepidoptera
18
Q

MOUTHPART: CHEWING-LAPPING

A
  1. honeybee (apidae)
19
Q

INSECT CLASSIFICATION BASED ON WINGED FORMS

A
  1. membranous
  2. hemelytron
  3. fringed wings
  4. tegmen
  5. elytron
20
Q

WINGED FORM: MEMBRANOUS

A
  1. light membrane covering
21
Q

WINGED FORM: HEMELYTRON

A
  1. half membranous and half leathery
22
Q

WINGED FORM: FRINGED WINGS

A
  1. composed of hairy fringes
23
Q

WINGED FORM: TEGMEN

A
  1. leathery wings
  2. thicker than membranous wings
24
Q

WINGED FORM: ELYTRON

A
  1. hard covering
25
Q

OTHER TYPES OF WING MODIFICATION

A
  1. haltere
  2. hamuli
26
Q

WING MODIFICATION: HALTERE

A
  1. hindwing reduces to knob-like structure
  2. used for flight balance
27
Q

WING MODIFICATION: HAMULI

A
  1. hook-like structure found on margins of hindwing costa
  2. used in locking forewing during flight

AGRI 41 | LECTURE | EXAM 2 (10 decks)

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