Exam II - Muscidae Flashcards
What is the common name for Musca domestica?
house fly
What is/are the host(s) for Musca domestica?
domestic animals and humans
Describe the appearance of Musca domestica adult
5.5-7.5 mm in length, light to dark grey in color, sticky hairs on pads of legs, mouthparts fleshy adapted to sponging
Where do Musca domestica adults lay eggs?
wet feces or rotting organic material
Where is Musca domestica found?
anywhere on humans and animals
What is the comon name for Musca autumnalis?
face fly
What is the preferred location on the animal for Musca autumnalis?
secretions on animal’s face, wounds
What is the common name for Stomoxys calcitrans?
Stablefly, biting housefly
What is/are the host(s) for Stomoxys calcitrans?
most animals and humans
How does Stomoxys calcitrans usually sit? Tell me about its sexy proboscis.
Usually sits on wall head up (see photo). Proboscis is rigid, conspicuous and forward projecting
Where is Stomoxys calcitrans found?
anywhere on cattle
Describe any pathogenesis & clinical signs associated with Stomoxys calcitrans
painful bites, annoying, transmits disease organisms
What is the common name for Haematobia irritans?
horn fly
What is/are the host(s) for Haematobia irritans?
cattle
Where does Haematobia irritans like to spend its nights and weekends with the family?
On the animal… because Haematobia irritans remains on the animal ALL THE TIME
Describe the appearance of the Haematobia irritans adult fly
4 mm (smallest of bloodsucking muscids). About 1/2 the size of stable fly and has a shorter proboscis than stable fly.
Picture below: Horn fly on left, stable fly on right
What is/are the site(s) of infection for Haematobia irritans?
back, sides, and abdomen.
They also cluster around the horns when they aren’t feeding
Describe any pathogenesis & clinical signs associated with Haematobia irritans
- feed in thousands
- causes intense irritation
- impair milk production
- transmit cattle helminths
- >200 flies leads to economic losses
Treatment & prevention options for Haematobia irritans?
Apply to host since fly remains on host most of the time
Insecticides, but there is resistance
