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(3) VPARA (ENTOM) > VETERINARY ENTOMOLOGY (6-9) > Flashcards

VETERINARY ENTOMOLOGY (6-9) Flashcards

1
Q

What is entomology?

A

It is the study of arthropods and allied insects, (Phylum Arthropoda).

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2
Q

These are bilaterally symmetrical animals whose body is divided into segments which bear jointed appendages (legs, antennae, mouthparts, etc.)

A

ARTHROPODS

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3
Q

Some jointed appendages of an arthropods

A

LEGS, ANTENNAE, MOUTHPARTS

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4
Q

Groups under the Phylum arthropoda

A
  1. PARASITIC INSECTS
  2. PARASITIC ARACHNIDS
  3. PENTASTOMIDA OR TONGUE WORMS
  4. PARASITIC CRUSTACEANS
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5
Q

Greek word “arthros” meaning

A

JOINT

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6
Q

Greek word “podos” meaning

A

FOOT

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7
Q

Largest group.
Adults with 3 pairs of legs.
Body divided into 3 main parts (head, thorax, & abdomen).

A

PARASITIC INSECTS

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8
Q

What are the 3 main parts of the body of the Parasitic Insects?

A

HEAD, THORAX, ABDOMEN

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9
Q

Example of Parasitic Insects

A

MOSQUITOES
FLIES
LICE

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10
Q

Body parts joined together.
Adults with 4 pairs of legs,
2 pairs of mouthparts without antennae and wings

A

PARASITIC ARACHNIDS

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11
Q

Adults are worm-like, cylindrical without legs except 2 pairs of hooks near the mouth.
Larvae with 2 pairs of legs.

A

PENTASTOMIDA OR TONGUE WORMS

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12
Q

Example of Pentastomida of Tongue Worms

A

Linguatula serrata
Porocephalus sp.

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13
Q

Main body divisions are cephalothorax and abdomen.
Legs are found on thoracic and abdominal segments.

A

PARASITIC CRUSTACEANS

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14
Q

Main body divisions of Parasitic Crustaceans

A

CEPHALOTHORAX & ABDOMEN

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15
Q

In Parasitic Crustaceans, legs are found where?

A

THORACIC AND ABDOMINAL SEGMENTS

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16
Q

These are small animals.
Its whole body is divided into head, thorax, and abdomen.
3 pairs of legs attached to the thorax and 2 pairs of wings attached to the 2nd and 3rd thoracic segments.

A

INSECTS

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17
Q

An insects have 3 pairs of legs attached to the _______ and 2 pairs of wings attached to the ____________.

A

THORAX
2nd AND 3rd THORACIC SEGMENTS

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18
Q

3 segments of the thorax of the insects

A

PRO-
MESO-
METATHORAX

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19
Q

Wings with hollow tubes

A

VEINS

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20
Q

Used for identification

A

WING VENATION

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21
Q

The surface layer of the body of the insect is called ______ which is more or less rigid than exoskeleton?

A

INTEGUMENT OR BODY WALL

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22
Q

The hardened portion of the body wall is due to deposition of this substance.

A

CHITIN

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23
Q

Each segment of the body of an insect is composed of these areas known as sclerites.

A

DORSAL, LATERAL & VENTRAL AREAS OR WALL

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24
Q

Sclerites are separated from each other by what?

A

SUTURES

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25
Q

3 types of Sclerites

A

DORSAL SCLERITE or WALL
LATERAL SCLERITE
VENTRAL SCLERITE

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26
Q

Dorsal sclerite or wall

A

TERGUM / NOTUM

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27
Q

Lateral sclerite

A

PLURITES / PLEURON

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28
Q

Ventral sclerites

A

STERNUM / STERNITES

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29
Q

All insects possessing mouth parts capable of piercing the skin of animals should be regarded as __________ of micro parasites, bacteria, viruses and rickettsias.

A

POTENTIAL VECTORS

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30
Q

Insect mouth parts may be classified into:

A

A. MANDIBULATE - Chewing
B. HAUSTELLATE- Sucking
C. PIERCING
D. NON-PIERCING

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31
Q

Mandibulate

A

CHEWING

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32
Q

Haustellate

A

SUCKING

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33
Q

Insects as vectors, they may act as what?

A

INTERMEDIATE HOST, CARRIERS / TRANSPORT HOST

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34
Q

The feeding habits of insects greatly contribute to the effectiveness of disease transmission. Give an example

A

INTERMITTENT HABIT OF FEEDING BY TABANIDS - T. evansi, Musca autumnalis - Thelazia rhodest and Mycobacterium bovis (cause of pink eye)

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35
Q

Cause of pink eye

A

Mycobacterium bovis

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36
Q

What are the most obvious distinguishing characteristics of insects?

A

JOINTED APPENDAGES
MOUTH PARTS
ANTENNAE

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37
Q

Internally, there is a _____________ instead of a body cavity

A

HEMOCOELE

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38
Q

This consists of ganglia in each segment of the body.

The ganglia are connected to each other by ____________.

__________ arise from each ganglion and innervate the body organs.

A

NERVOUS SYSTEM

NERVE FIBERS

NERVES

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39
Q

the blood vessels are very simple, consisting of a _________ beneath the notum.

A

SINGLE DORSAL

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40
Q

blood admitted to the heart thru this part and is forced forward to the head then to the rest of the body organs.

A

LATERAL VALVES

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41
Q

The blood consists of what?

A

WATER FLUID (SERUM OR PLASMA)
WHITE CORPUSCLES

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42
Q

Components of blood usually colorless or greenish yellow

A

WHITE CORPUSCLES

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43
Q

insects have no lungs, but breath through a system of tubes, the ___________ which extends to all parts of the body thru smaller branches (____________) bringing fresh air and carrying _______.

A

TRACHEA

(TRACHEOLES)

CO2

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44
Q

Tracheal tubes have openings on each side of the thoracic and abdominal segments called ___________.

A

SPIRACLES OR STIGMATA

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45
Q

Components of the Digestive System

A
  1. FOREGUT OR STOMODEUM
  2. HINDGUT OR PROCTODEUM
  3. MIDGUT OR MESENTERON
46
Q

ONE COMPONENT OF THE DIGESTIVE SYSTEM:

Foregut or stomodeum components

A

mouth, pharynx, esophagus, crop and gizzard/proventriculus

47
Q

ONE COMPONENT OF THE DIGESTIVE SYSTEM:

Foregut or Stomodeum components

A

mouth, pharynx, esophagus, crop and gizzard/proventriculus

48
Q

ONE COMPONENT OF THE DIGESTIVE SYSTEM:

Hindgut or Proctodeum components

A

colon, rectum, anus and malpighian tubules

49
Q

ONE COMPONENT OF THE DIGESTIVE SYSTEM:

Midgut or Mesenteron component

A

midintestine connects the stomadeum to the proctodeum

50
Q

male reproductive system consists of the ff:

A

pair of testes
vas deferens
accessory organ
a seminal vesicle
ejaculatory duct
penis or aedeagus

51
Q

The female reproductive system consists of the ff:

A

ovaries
fallopian tube
oviduct
vagina
ovipositor

52
Q

Most female insects have this storage sac for sperms.

A

SPERMATHECA

53
Q

Types of Development of Insects

A
  1. Direct development/ Incomplete / Hemimetabolous Metamorphosis
  2. Indirect development / complete / holometabolous metamorphosis
54
Q

Transformation or change in shape or form

A

Direct development / Incomplete / Hemimetabolous Metamorphosis

55
Q

young arthropods that hatches from the egg resembles the adult except in size and some other features.

A

NYMPH

56
Q

Hemimetabolous Life Cycle

A

Egg —> Nymph —> Adult

57
Q

Holometabolous Life Cycle

A

Egg —> Larva —> Pupa and Adult

58
Q

Example of insects that undergo Direct / Incomplete / Hemimetabolous Metamorphosis

A

BEDBUGS

59
Q

Example of insects that undergo Indirect / Complete / Holometabolous Metamorphosis

A

MOSQUITOES

60
Q

Arthropods undergo different forms and stages (instars) before developing into adults

A

Indirect Development / Complete / Holometabolous Metamorphosis

61
Q

Young adult

A

IMAGO

62
Q

Each stage of the Holometabolous Life Cycle is separated by this process.

A

MOLTING OR ECDYSIS

63
Q

Each form of the insect after each ecdysis is known as what?

A

INSTAR

64
Q

Types of Female Insects Based on Eggs/Larva Deposited

A
  1. OVIPAROUS/OVIVIPAROUS
  2. VIVIPAROUS
  3. PUPIPAROUS
  4. PARTHENOGENETIC
65
Q

lays eggs with fully developed larva
example: housefly

A

OVIPAROUS / OVIVIPAROUS

66
Q

Example of oviparous / oviviparous

A

HOUSEFLY

67
Q

Deposits fully developed larva
example: fleshfly, tsetse fly

A

VIVIPAROUS

68
Q

Example of viviparous

A

FLESHFLY & TSETSE FLY

69
Q

deposits pupae or larvae which transform to pupae in few hours
example: pigeon lousefly

A

PUPIPAROUS

70
Q

Example of Pupiparous

A

PIGEON LOUSEFLY

71
Q

female reproduces without the need to be fertilized by males
example: silkworm

A

PARTHENOGENETIC

72
Q

Example of Parthenogenetic

A

SILKWORM

73
Q

Types of Larva

A
  1. Apodous Larva
  2. Oligapod Larva
  3. Polypod Larva
74
Q

No thoracic and abdominal legs. They are called maggots, e.g. All dipterous insect larvae

A

APODOUS LARVA

75
Q

Apodous larvae are called _______.

A

Maggots

76
Q

Example of Apodous Larvae

A

ALL DIPTEROUS INSECT LARVAE

77
Q

no abdominal appendages, only 3 pairs of thoracic legs, e.g. beetle grubs or larvae

A

OLIGAPOD LARVA

78
Q

Example of Oligapod Larva

A

BEETLE GRUBS / LARVAE

79
Q

thoracic and abdominal segments with legs, e.g. catterpillar of butterfly

A

POLYPOD LARVA

80
Q

Example of Polypod Larva

A

CATTERPILLAR OF BUTTERFLY

81
Q

Types of Pupae

A
  1. Exarate or Free
  2. Obtectate Pupa
  3. Coarctate Pupa
82
Q

the skin of the last larval stage is cast off and the pupa remains bare or naked/uncovered. Wings and legs are free from the rest of the body of the pupa, eg wasp, bee

A

Exarate or Free

83
Q

Example of Exarate or Free Pupa

A

WASP & BEE

84
Q

The skin of the last larval stage may be cast off but the head, legs and wings are bound to the body by mouiting fluid, eg mosquito

A

OBTECTATE PUPA

85
Q

Example of Obtectate Pupa

A

MOSQUITO

86
Q

-the whole body is enclosed in the last larval skin. Insect inside cannot be seen, eg housefly, stablefly

A

COARCTATE PUPA

87
Q

The covering of the Coarctate Pupa is called

A

PUPARIUM

88
Q

Example of Coarctate Pupa

A

HOUSEFLY & STABLEFLY

89
Q

Emergence from the coarctate type of pupa is affected by a special type of organ called __________ situated on the head of the insect. It lies above the antennae.

A

PTILINUM

90
Q

Orders of Veterinary Importance under Class Insecta

A
  1. Diptera (trueflies)
  2. Blattodea (cockroaches)
  3. Hemiptera (bugs)
  4. Siphonaptera (fleas)
  5. Phthiraptera
    a) Suborder Mallopahga (chewing lice)
    b) Suborder Anoplura (sucking lice)
  6. Coleoptera (beetles)
91
Q

Diptera

A

TRUEFLIES

92
Q

Blattodea

A

COCKROACHES

93
Q

Hemiptera

A

BUGS

94
Q

Siphonaptera

A

FLEAS

95
Q

Phthiraptera: Suborder Mallopahga

A

CHEWING LICE

96
Q

Phthiraptera:Suborder Anoplura

A

SUCKING LICE

97
Q

Coleoptera

A

BEETLES

98
Q

Only anterior pair of wings are well developed. Posterior pair is rudimentary represented by small structures, the halters or balancers (organ of balance). Wings with hollow tubes called the veins. Intervening areas are known as cells. Mouth parts are adopted for sucking, the haustellum (sucking tube) is formed by the labrum and labium within which are the mandibles and the maxillae.

A

Dipterous insects

99
Q

Posterior pair of dipteria insects is rudimentary represented by small structures, the _____________.

A

Halters or Balancers (organ of balance)

100
Q

Wings of dipteria insects with hollow tubes called the _________. Intervening areas are known as _________.

A

VEINS

CELLS

101
Q

Mouth parts are adopted for sucking, the _________ (sucking tube) is formed by the labrum and labium within which are the mandibles and the maxillae.

A

DIPTERIA INSECTS - HAUSTELLUM

102
Q

Mouth parts are adopted for sucking, the haustellate (sucking tube) is formed by the __________ within which are the mandibles and the maxillae. In some insects, the mandibles and maxillae are modified for piercing metamorphosis is complete

A

LABRUM AND LABIUM

103
Q

Sub-Orders of Veterinary Importance under order Diptera

A
  1. NEMATOCERA
  2. BRACHYCERA
  3. CYCLORRHARPHA
104
Q
  1. Antennae usually longer than the head and thorax more than ________. Wings practically without cross veins.
  2. Larvae and pupae are ________.
  3. Larvae with well developed head and mandibles bite _________.
  4. Pupae ______ type
A

Sub-Orders of Veterinary Importance under order Diptera

NEMATOCERA

1) 8 SEGMENTS
2) AQUATIC
3) HORIZONTALLY
4) OBTECTATE

105
Q

Pupae of Nematocera is what type?

A

OBTECTATE TYPE

106
Q

Nematocera
Pupae obtectate type

A

Culicidae
Ceratopogonidae
Psychodidae
Simulidae

107
Q

1) Antennae shorten than thorax: how many segments?
2) _________ usually absent, if present, located terminally
3) Maxillary palps held stiffly forward (porrect)
4) Wings with cross veins
5) Abdomen with how many visible segments?
6) Larvae with incomplete, retractile head
7) Obtectate pupae
8) Family Tabanidae

A

Sub-Orders of Veterinary Importance under order Diptera

BRACHYCERA

1) 3-6 SEGMENTS
2) ARISTA
3) 7 VISIBLE SEGMENTS

108
Q

Brachycera type of pupae

A

Sub-Orders of Veterinary Importance under order Diptera

OBTECTATE PUPAE

109
Q

Brachycera family

A

FAMILY TABANIDAE

110
Q

1) Antennae with how many segments?
2) Arista present, located dorsally
3) Maxillary palps small, one jointed
4) Wings with limited cross veins
5) Abdomen with less than how many segments?
6) Larvae with vestigial head, Apodous
7) Mouthparts simple hooks use for tearing debris
8) What type of Pupae
9) This is present in young fly which is use for emerging from the puparium. Answer

A

Sub-Orders of Veterinary Importance under order Diptera
Cyclorrhapha

1) 3 SEGMENTS

5) 7 VISIBLE SEGMENTS

8) COARCTATE PUPAE

9) PTILINAL SAC

111
Q

Families of Cyclorrapha

A

Sub-Orders of Veterinary Importance under order Diptera

Gasterophilidae
Muscidae
Calliphoridae
Oestridae
Glossinidae
Hippoboscidae

112
Q

Example of Parasitic Arachnids

A

TICKS & MITES

(3) VPARA (ENTOM) (5 decks)

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