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AGRI 41 | LABORATORY | ENTOM EXAM > Exercise 1: Introduction to Insects and Arachnids > Flashcards

Exercise 1: Introduction to Insects and Arachnids Flashcards

1
Q

CHARACTERISTICS AIDING TO SURVIVAL OF INSECTS

A
  1. wings
  2. adaptations
  3. eat about anything
  4. large reproductive capacity
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2
Q

INSECTS

A
  1. invertebrates
  2. 3 body segmentations
  3. 3 pairs of legs
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3
Q

TAGMATA

A
  1. regions dividing segments of insect body
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4
Q

THREE BODY SEGMENTS OF INSECTS

A
  1. head
  2. thorax
  3. abdomen
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5
Q

INSECT HEAD

A
  1. found in the anterior most part of body
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6
Q

FUNCTION OF INSECT HEAD

A
  1. food gathering and manipulation
  2. sensory perception
  3. neutral integration
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7
Q

SENSORY ORGANS ON INSECT HEAD

A
  1. pair of antenna
  2. compound eye
  3. 3 simple eyes
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8
Q

OCELLUS

A
  1. simple eye of insects
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9
Q

IMPORTANT DIAGNOSTIC CHARACTERS OF INSECTS

A
  1. antenna
  2. mouthparts
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10
Q

FUNCTION OF INSECT ANTENNA

A
  1. sensory perception
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11
Q

PARTS OF INSECT ANTENNA

A
  1. scape: base attached with head capsule
  2. pedicel: 2nd segment
  3. flagellum: all remaining segments
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12
Q

INSECT MOUTHPARTS

A
  1. labrum: upper lip
  2. mandible: teeth
  3. maxillae: pincer
  4. labium: lower lip
  5. hypopharynx: toungue-like structure
  6. epipharynx: sensory lobe in inner side of labrum
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13
Q

THORAX

A
  1. second region of insect body
  2. bears locomotory organs
  3. heavily sclerotized
  4. contain one pair of legs per thoracic segment
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14
Q

LOCOMOTORY ORGANS OF INSECTS

A
  1. legs
  2. wings
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15
Q

PARTS OF INSECT THORAX

A
  1. prothorax
  2. mesothorax
  3. metathorax
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16
Q

DORSAL SCLERITES

A
  1. nota
17
Q

LATERAL SCLERITES

A
  1. pleura
18
Q

VENTRAL SCLERITES

A
  1. sterna
19
Q

SEGMENTS OF INSECT LEGS

A
  1. coxa
  2. trochanter
  3. femur
  4. tibia
  5. tarsus
20
Q

INSECT WINGS

A
  1. found only on meso- and metathoracic segments
21
Q

PTEROTHORAX

A
  1. wing-bearing segments
22
Q

ABDOMEN

A
  1. third region of insect body
  2. 8-11 segments for grasshoppers
23
Q

FUNCTION OF INSECT ABDOMEN

A
  1. reproduction
  2. digestion
  3. circulation
  4. respiration
24
Q

DORSAL ABDOMINAL SEGMENTS

A
  1. terga
25
Q

VENTRAL ABDOMINAL SEGMENTS

A
  1. sterna
26
Q

TYMPANUM

A
  1. sound reception organ
  2. located in membranous area of first abdominal tergite
27
Q

SPIRACLES

A
  1. found between terga and sterna of segments 1 to 8
28
Q

LOCATION OF MALE INSECT REPRODUCTIVE STRUCTURES

A
  1. 9th segment
29
Q

REPRODUCTIVE STRUCTURES OF MALE INSECTS

A
  1. aedeagus
  2. pair of claspers
30
Q

LOCATION OF FEMALE INSECT REPRODUCTIVE STRUCTURES

A
  1. 8th and 9th segments
31
Q

REPRODUCTIVE STRUCTURES OF FEMALE INSECTS

A
  1. external genitalia copulatory openings
  2. ovipositor

AGRI 41 | LABORATORY | ENTOM EXAM (6 decks)

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