Ch 48 Arthropods 1b Flashcards
What is the characteristic feature of stable flies?
Bayonet-like proboscis protruding from the head
Stable flies can attack dairy cattle and decrease milk production.
How do stable flies affect beef cattle?
Beef cattle may not graze during the day
Both male and female stable flies can attack.
What is fly strike in dogs associated with?
Attack on the tips of dog ears by stable flies
This condition is caused by the presence of stable flies.
Which species are classified as deerflies?
Chrysops spp.
Deerflies are part of the larger diptera group.
Which species are classified as horseflies?
Tabanus spp.
Horseflies are larger than deerflies.
What are the notable physical characteristics of deerflies and horseflies?
Heavy bodied, robust, powerful wings, and large eyes
Horseflies are larger than deerflies.
Where are the eggs and larval stages of deerflies and horseflies typically found?
Aquatic areas
This habitat is essential for their life cycle.
What diseases can deerflies and horseflies transmit?
Anthrax, anaplasmosis, and equine infectious anemia
Their bites are also painful.
What are sheep keds scientifically known as?
Melophagus ovinus
Sheep keds are flattened, wingless flies that resemble ticks.
What damage do sheep keds cause?
Pruritus and damage to the wool
They spend their entire life on the host.
Which flies produce myiasis?
Blowflies, flesh flies, and screwworm flies
These flies do not suck blood but lay eggs in decaying matter.
What is a defining feature of botflies?
Adults glue eggs to the hairs of the host or deposit them at animal burrows
The larvae hatch and penetrate the skin of the host.
What is the larval botfly in rabbits and rodents called?
Cuterebra
It can also infest dogs, cats, and humans.
What diseases are transmitted by Anopheles, Aedes, and Culex spp. mosquitoes?
Malaria, yellow fever, and elephantiasis
They are voracious blood feeders.
What is the impact of mosquitoes on cattle?
Can keep cattle from grazing and may cause stampedes
Female mosquitoes suck blood and transmit various diseases.
Where do mosquitoes typically lay their eggs?
Near water
This is crucial for their reproduction.
