Podcast
Questions and Answers
Which fly is known to complete its life cycle indoors?
Which fly is known to complete its life cycle indoors?
- Lucilia cuprina
- Cochliomyia hominivorax
- Chrysomya megacephala
- Musca domestica (correct)
Which of the following flies is a facultative parasite?
Which of the following flies is a facultative parasite?
- Hermetia illucens
- Cochliomyia hominivorax (correct)
- Megaselia scalaris
- Chrysomya megacephala
What is the primary source of energy for Hermetia illucens?
What is the primary source of energy for Hermetia illucens?
- Flowers and pollen
- Decaying plant material
- Dead animal matter (correct)
- Fungi and bacteria
Which of the following is an indicator species?
Which of the following is an indicator species?
What is the primary habitat of Chrysomya megacephala?
What is the primary habitat of Chrysomya megacephala?
Which of the following flies is a free-living species?
Which of the following flies is a free-living species?
What type of myiasis is caused by Cochliomyia hominivorax?
What type of myiasis is caused by Cochliomyia hominivorax?
Which fly is known to cause anatomical myiasis?
Which fly is known to cause anatomical myiasis?
Which type of myiasis is caused by Chrysomya bezziana?
Which type of myiasis is caused by Chrysomya bezziana?
What is the consequence of accidental ingestion of eggs?
What is the consequence of accidental ingestion of eggs?
Which of the following is a characteristic symptom of nasal myiasis?
Which of the following is a characteristic symptom of nasal myiasis?
Which species of fly is known to cause cavitary myiasis?
Which species of fly is known to cause cavitary myiasis?
What is the habitat of the larvae of flies that cause myiasis?
What is the habitat of the larvae of flies that cause myiasis?
What is a risk factor for intestinal myiasis?
What is a risk factor for intestinal myiasis?
Which of the following is a consequence of myiasis?
Which of the following is a consequence of myiasis?
What is the life cycle of flies that cause myiasis?
What is the life cycle of flies that cause myiasis?
What is the interaction between flies and warm-blooded hosts?
What is the interaction between flies and warm-blooded hosts?
Which stage of flies' life cycle is involved in myiasis?
Which stage of flies' life cycle is involved in myiasis?
Which family of flies is NOT an agent of myiasis?
Which family of flies is NOT an agent of myiasis?
What is the classification of myiasis based on the host's dependence?
What is the classification of myiasis based on the host's dependence?
What type of myiasis is caused by Dermatobia?
What type of myiasis is caused by Dermatobia?
Which of the following is an example of accidental myiasis?
Which of the following is an example of accidental myiasis?
What is the term for myiasis that occurs when flies lay eggs in wounds or natural openings?
What is the term for myiasis that occurs when flies lay eggs in wounds or natural openings?
Which of the following is NOT a type of myiasis classification?
Which of the following is NOT a type of myiasis classification?
What is a common risk factor for Urogenital myiasis?
What is a common risk factor for Urogenital myiasis?
Which symptom is associated with Ocular myiasis?
Which symptom is associated with Ocular myiasis?
What is a complication of Urogenital myiasis?
What is a complication of Urogenital myiasis?
Which species of fly is associated with Urogenital myiasis?
Which species of fly is associated with Urogenital myiasis?
What is a symptom of Aural myiasis?
What is a symptom of Aural myiasis?
Which type of myiasis is associated with poor hygiene?
Which type of myiasis is associated with poor hygiene?
What is a complication of Aural myiasis?
What is a complication of Aural myiasis?
Which species of fly is associated with Ocular myiasis?
Which species of fly is associated with Ocular myiasis?
What is the primary goal of Maggot Debridement Therapy (MDT)?
What is the primary goal of Maggot Debridement Therapy (MDT)?
What is the result of Maggot Debridement Therapy (MDT) on the wound?
What is the result of Maggot Debridement Therapy (MDT) on the wound?
What is the characteristic of the wound environment after Maggot Debridement Therapy (MDT)?
What is the characteristic of the wound environment after Maggot Debridement Therapy (MDT)?
What is the mechanism by which maggots contribute to wound healing in MDT?
What is the mechanism by which maggots contribute to wound healing in MDT?
What is the term for the artificial induction of myiasis in a controlled environment?
What is the term for the artificial induction of myiasis in a controlled environment?
What is the outcome of successful Maggot Debridement Therapy (MDT)?
What is the outcome of successful Maggot Debridement Therapy (MDT)?
Study Notes
Myiasis
- Interaction between flies and warm-blooded hosts
- Involves infestation by larval or pupal stages of flies in tissue
Agents of Myiasis
- Calliphoridae, Sarcophagidae, and Stratiomyiidae
- Piophilidae, Destridae, Phoridae, and Syrphidae
- Drosophilidae
Classification
- Ecological (dependent on host)
- Specific obligatory (required for life cycle)
- Accidental/pseudomyiasis (facultative, not required for life cycle)
- Dermatobia hominis, Cochliomyia hominivorax, and Musca domestica are examples of specific obligatory agents
Types of Myiasis
- Cutaneous myiasis (skin)
- Cavitary myiasis (body cavities)
- Nasal myiasis
- Intestinal myiasis
- Urogenital myiasis
- Ocular myiasis
- Aural myiasis
Characteristics
- Lay eggs on nearby wounds or in nasal passages
- After hatching, larvae feed on necrotic tissue
- Can cause intense irritation, headache, sneeze, and abdominal pain
- Can lead to urogenital, ocular, and aural complications
Prevention and Treatment
- Poor hygiene is a major risk factor
- Maggot debridement therapy (MDT) is an artificially induced myiasis performed in a controlled environment
- MDT removes cellular debris and non-viable tissue, promotes debridement, and enhances healing
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Description
Learn about the interaction between flies and warm-blooded hosts, involving infestation by larval/pupal stages in tissue.
