Podcast
Questions and Answers
Which of the following is a larvicide that interferes with natural growth hormones in mosquito larvae?
Which of the following is a larvicide that interferes with natural growth hormones in mosquito larvae?
- Methoprene (correct)
- Paris green
- DEET
- Synthetic pyrethroids
Which of the following arthropod families is associated with myiasis?
Which of the following arthropod families is associated with myiasis?
- Amblyomma, Dermacentor, Ixodes
- Argas, Ornithodoros, Otobius
- Calliphora, Lucilia, Chrysomya (correct)
- Haematopinus, Linognathus, Trichodectes
What is the main purpose of using pyrethroids in mosquito control?
What is the main purpose of using pyrethroids in mosquito control?
- To promote insect growth
- To create a breeding ground for larvae
- To kill adult mosquitoes on contact (correct)
- To enhance crop growth
Which compound is commonly mixed with pyrethroids to enhance their effectiveness?
Which compound is commonly mixed with pyrethroids to enhance their effectiveness?
What characteristic defines the Phylum Arthropoda?
What characteristic defines the Phylum Arthropoda?
Which of the following organisms is classified as a hard tick?
Which of the following organisms is classified as a hard tick?
What characteristic of DEET makes it an effective mosquito repellent?
What characteristic of DEET makes it an effective mosquito repellent?
In what conditions is spraying insecticides not recommended?
In what conditions is spraying insecticides not recommended?
What is the primary focus of veterinary entomology and acarology?
What is the primary focus of veterinary entomology and acarology?
Which arthropod is not a vector for diseases affecting animals?
Which arthropod is not a vector for diseases affecting animals?
What is the lifespan for the entire lifecycle of the haematophagous species discussed?
What is the lifespan for the entire lifecycle of the haematophagous species discussed?
What is a direct effect of blood-sucking flies on their hosts?
What is a direct effect of blood-sucking flies on their hosts?
Which of the following is NOT a disease transmitted mechanically by Musca?
Which of the following is NOT a disease transmitted mechanically by Musca?
Which type of diseases can Musca act as a mechanical vector for?
Which type of diseases can Musca act as a mechanical vector for?
What is the role of vomit drops in the feeding method of the species discussed?
What is the role of vomit drops in the feeding method of the species discussed?
Which of the following is an intermediate host for certain parasitic species mentioned?
Which of the following is an intermediate host for certain parasitic species mentioned?
Which disease is specifically mentioned as being mechanically transmitted by Musca?
Which disease is specifically mentioned as being mechanically transmitted by Musca?
Which of the following diseases is NOT mechanically transmitted by Musca?
Which of the following diseases is NOT mechanically transmitted by Musca?
What are the primary symptoms observed in sheep affected by nasal flies?
What are the primary symptoms observed in sheep affected by nasal flies?
Which of the following is a potential treatment for sheep affected by nasal flies?
Which of the following is a potential treatment for sheep affected by nasal flies?
What condition can arise if second stage larvae from nasal flies move towards the brain?
What condition can arise if second stage larvae from nasal flies move towards the brain?
Why is the nasal region of affected sheep described as having a dirty appearance?
Why is the nasal region of affected sheep described as having a dirty appearance?
How can sheep be effectively controlled from nasal fly infestations?
How can sheep be effectively controlled from nasal fly infestations?
What is a complication that can occur if larvae are deposited on humans?
What is a complication that can occur if larvae are deposited on humans?
What role does tobacco powder play in treating sheep affected by nasal flies?
What role does tobacco powder play in treating sheep affected by nasal flies?
What is the common name for Hypoderma bovis?
What is the common name for Hypoderma bovis?
What characterizes the eggs produced by female fleas?
What characterizes the eggs produced by female fleas?
How many larval stages do fleas undergo before pupation?
How many larval stages do fleas undergo before pupation?
What triggers a pupa to emerge from its cocoon?
What triggers a pupa to emerge from its cocoon?
Which of the following morphological characters is NOT associated with Ctenocephalides species?
Which of the following morphological characters is NOT associated with Ctenocephalides species?
What type of feeding behavior do flea larvae exhibit?
What type of feeding behavior do flea larvae exhibit?
In what environment do flea eggs typically fall after being produced?
In what environment do flea eggs typically fall after being produced?
Which flea species is known as the human flea?
Which flea species is known as the human flea?
What is the main size range for flea larvae?
What is the main size range for flea larvae?
What is the duration of the warble stage of infection in cattle?
What is the duration of the warble stage of infection in cattle?
Which characteristic leads to the production of greenish yellow tracts in infected cattle due to larvae?
Which characteristic leads to the production of greenish yellow tracts in infected cattle due to larvae?
What causes gadding in cattle affected by ox warble flies?
What causes gadding in cattle affected by ox warble flies?
Which of the following conditions can result from larval entry through the skin in cattle?
Which of the following conditions can result from larval entry through the skin in cattle?
What is the consequence of the first and second stage larvae being present in the oesophageal region of cattle?
What is the consequence of the first and second stage larvae being present in the oesophageal region of cattle?
Which type of infection can occur as a result of the larvae migrating through the host's tissues?
Which type of infection can occur as a result of the larvae migrating through the host's tissues?
What potential risk is associated with the accidental rupture of warbles in infected cattle?
What potential risk is associated with the accidental rupture of warbles in infected cattle?
What is the recommended effective insecticide for controlling ox warble flies?
What is the recommended effective insecticide for controlling ox warble flies?
What types of beef can be affected by the presence of larvae in cattle?
What types of beef can be affected by the presence of larvae in cattle?
Which is NOT a typical effect of adult ox warble flies on cattle?
Which is NOT a typical effect of adult ox warble flies on cattle?
Flashcards
Phylum Arthropoda
Phylum Arthropoda
A diverse phylum of animals characterized by jointed appendages and an exoskeleton.
Veterinary Entomology and Acarology
Veterinary Entomology and Acarology
The study of insects and acarines that cause disease or act as vectors in animals.
Life Cycle of Arthropods
Life Cycle of Arthropods
The process by which insects and acarines develop from egg to adult, often involving several stages.
Vector
Vector
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Bionomics
Bionomics
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Sterile Insect Technique (SIT)
Sterile Insect Technique (SIT)
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Insect Growth Regulators (IGRs)
Insect Growth Regulators (IGRs)
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Pyrethroids
Pyrethroids
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Synergist
Synergist
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Nilavembu Kudineer (Siddha Medicine)
Nilavembu Kudineer (Siddha Medicine)
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Housefly lifecycle duration
Housefly lifecycle duration
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Housefly feeding habits and myiasis
Housefly feeding habits and myiasis
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Housefly synanthropic nature
Housefly synanthropic nature
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Housefly vectors for diseases
Housefly vectors for diseases
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Housefly role in parasite transmission
Housefly role in parasite transmission
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Housefly mechanical parasite transmission
Housefly mechanical parasite transmission
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Housefly method of feeding
Housefly method of feeding
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Housefly feeding effects on animals
Housefly feeding effects on animals
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First stage sheep nasal fly larva
First stage sheep nasal fly larva
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False gid or sturdy
False gid or sturdy
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Second stage sheep nasal fly larva
Second stage sheep nasal fly larva
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Northern Cattle Grub
Northern Cattle Grub
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Rafoxanide Treatment
Rafoxanide Treatment
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Ivermectin Treatment
Ivermectin Treatment
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Closental Treatment
Closental Treatment
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HCH in oil treatment
HCH in oil treatment
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Flea Egg
Flea Egg
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Flea Larva
Flea Larva
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Flea Pupa
Flea Pupa
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Hatching Spine
Hatching Spine
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Mastigatory Mouthparts
Mastigatory Mouthparts
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Ctenocephalides
Ctenocephalides
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Genal Combs
Genal Combs
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Pronotal Combs
Pronotal Combs
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Warbles
Warbles
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Warble Stage
Warble Stage
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Pupation
Pupation
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Gadding
Gadding
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Effects of Adult Ox Warble Fly
Effects of Adult Ox Warble Fly
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Effects of Ox Warble Fly Larvae
Effects of Ox Warble Fly Larvae
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Cutaneous Myiasis
Cutaneous Myiasis
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Butchers Jelly
Butchers Jelly
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Stenosis of the Esophagus
Stenosis of the Esophagus
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Mechanical Removal of Larvae
Mechanical Removal of Larvae
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Study Notes
Arthropods of Veterinary Importance
- Arthropods are a group of invertebrates, including insects, crustaceans, and arachnids.
- They are significant vectors for various animal diseases.
- Morphological features, general bionomics, life cycle, and vector potential of various arthropods impacting animals and birds are essential to study.
- Some of the arthropods studied include bugs (e.g., Cimex), biting midges, black flies, sandflies, mosquitoes, horse flies, warbles, stomach bots, nasal bots, bottle flies, lice, fleas, arachnids (ticks, mites), and mites.
- Understanding their life cycles and control measures is crucial in veterinary practice.
- Insecticide and acaricide resistance are important considerations.
Phylum Arthropoda
- Arthropoda is a Greek word meaning "joint" (arthros) and "leg" (podos).
- Arthropods' defining characteristic is the presence of jointed appendages.
- Further characteristics include Bilateral symmetry, segmented body, chitinous exoskeleton, jointed legs, and a haemocoel.
External Anatomy of Insects
- The insect body is divided into three segments: head, thorax, and abdomen.
- The head bears antennae, eyes, and various mouthparts.
- The thorax bears three pairs of legs used for locomotion.
- The abdomen is the posteriormost segment.
- Wings are an optional feature.
Mouthparts
- Various types of mouthparts exist among insects, each adapted for a specific feeding strategy.
- These can be Prognathous, Hypognathous, or Opisthognathous.
- Specific mouthparts types are found in insect species; these are important to know in veterinary practice.
Antennae
- Antennae are sensory structures in insects, varying in shape and structure, reflecting different species.
- There are different types of antennae.
- These antennae aid in various functions (smelling, hearing, feeling)
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