51 terms

Ectoparasites

STUDY
PLAY
Gastrophilus
Horse bot
Hypoderma
Heel fly
Oestrus ovis
Sheep nose bot
Cuterebra
Rabbit or rodent bot
Bunny bot
Wohlfartia
Fox bot
Melophagus ovinus
Sheep ked or tick
Blow Flies
aka Bottle Flies
Geni include:
Lucila, Calliphora, Phormia, Chrysomia
Sarcophaga
Red-tailed flesh fly
Gray flesh fly
Musca domestica
House fly
Fannia scalaris
Latrine fly
Musca autumnalis
Face fly
Haematobia irritans
Horn fly
Stomoxys calcitrans
Stable fly
Tabanus
Horse fly
Crysops
Deer fly
Simulium
Buffalo gnat
Black fly
Culicoides
Sand fly
Phlebotomus
Sand fly
Ctenocephalides canis & felis felis
Dog & cat flea
Anoplura
Sucking lice
Mallophaga
Biting or chewing lice
Psoroptes communis
Mite
Sarcoptes scabei
Scabies
Barn itch (dairy cattle)
Chorioptes
Foot mange (horses
Tail mange (cattle)
Chorioptic mange
Demodex
Demodectic mange
Red mange
Otodectes cyanosis
Ear mites
Notoedres cati
Head mange
Argasidae
Soft ticks
Ixodidae
Hard ticks
Argus
Fowl tick
Blue bug
Adobe tick
Otobius megnini
Spinose ear tick
Hexapoda
(Insects)
Flies, fleas, & lice

3 pairs of legs in adult
1 pair of antennae
3 body divisions - head, thorax, abdomen
Arachnida
Mites & ticks

4 pairs of legs in adult
No antennae or wings
2 body divisions - cephalothorax and abdomen
Incomplete metamorphosis
All stages except egg resemble adult

Ticks, lice, & mites
Complete metamorphosis
Immature stages do not resemble adult
Usually 3 larval stages

Flies & fleas
Dipterous
Two wings
Myiasis
The infestation of live vertebrate animals by the larvae of dipterous flies
Peritremes
Sclerotic plates within posterior spiracles in dipterous larvae.
Pediculosis
The infestation of lice on an animal.
Scutum
Present in hard ticks.

In males, covers nearly all of dorsum. In females, just covers craniodorsal part of body.

Absent in soft ticks.
Basis capituli
Cephalothorax of ticks
Festoons
Posterior margin on dorsum in ticks
Hypostome
Mouth parts medial to palpi in ticks
Coxa
First segment of each leg in ticks
Stigmatic plate
Breathing mechanism behind last leg or between 3rd and 4th legs of ticks
Oestrus ovis
Larvae deposited around nose of sheep, crawl into nasal cavity, climb into paranasal sinuses and fall to ground to pupate.
Lice
wingless insects with flattened bodies and can cause hair loss excoriations, anemia
Scabies
Mite infestation by burrowing mange mites.
Arthropod parasites cause damage in 4 ways
Direct damage, intermediate host, transport host and allergic reactions
Hypoderma bovis
Settles in epidural fat of the spinal cord
Hypoderma lineatum
Settles in submucosa of the esophagus