Topic 1: Insects Flashcards
1
Q
INSECT HEAD: 5 PAIR OF APPENDAGES
A
- pair of antennae
- fused labrum
- pair of mandibles
- pair of maxillae
- fused labium
2
Q
INSECT: TRACHEA
A
- respiration
3
Q
INSECT: BODY CAVITY
A
- haemocoel
4
Q
INSECT: HEART
A
- dorsal
- tubular
5
Q
INSECT ABDOMEN: 1 PAIR OF APPENDAGE
A
- cerci
6
Q
INSECT CHARACTERISTICS LEADING TO SURVIVAL
A
- most insects have wings
- adaptations
- eat about anything
- large reproductive capacity
7
Q
PURPOSE OF INSECT HEAD
A
- food gathering and manipulation
- sensory perception
- neutral integration
8
Q
INSECT HEAD: SENSORY ORGANS
A
- pair of antennae
- compound eye
- ocellus (3 simple eyes)
9
Q
INSECT ANTENNAE: PARTS
A
- scape (base attached with head capsule)
- pedicel (2nd segment)
- flagellum (all remaining segments)
10
Q
INSECT MOUTHPART: PARTS
A
- labrum (upper lip)
- mandible (teeth)
- maxillae (pincers)
- labium (lower lip)
- hypopharynx (tongue-like structure)
11
Q
THORAX
A
- bears locomotory organs
12
Q
INSECT THORAX: PARTS
A
- prothorax
- mesothorax
- metathorax
13
Q
INSECT THORAX: LEGS
A
- prothorax: forelegs
- mesothorax: midlegs
- metathorax: hindlegs
14
Q
INSECT LEGS: SEGMENTS
A
- coxa
- trochanter
- femur
- tibia
- tarsus
15
Q
THORACIC LEGS
A
- adapted for special functions
16
Q
THORACIC LEGS: SPECIAL FUNCTIONS
A
- cursorial (running)
- raptorial (grasping)
- saltatorial (jumping)
- natatorial (swimming)
- fossorial (digging)
- corbiculate (pollen-gathering)
17
Q
WINGS
A
- found only on meso and metathoracic segments
18
Q
PTETHORAX
A
- wing-bearing segments
19
Q
INSECT ABDOMEN: FUNCTIONS
A
- reproduction
- digestion
- circulation
- respiration
20
Q
TERGA
A
- dorsal abdominal segments
21
Q
STERNA
A
- ventral abdominal segments
22
Q
TYMPANUM
A
- sound reception organ
- located in membranous area of first abdominal tergite
23
Q
SPIRACLES
A
- found between terga and sterna of abdominal segments 1-8
24
Q
INSECT REPRODUCTIVE STRUCTURES
A
- males: 9th segment (penis and pair of claspers)
- females: 8th and 9th segment (external genitalia copulatory openings and ovipositor)