Canine/Feline- Introduction to insects Flashcards
What are some insects?
Flies (Diptera)
Fleas (Siphonaptera)
Lice (Phthiraptera)
Hemiptera
What are some Arachnids (Acari)
Ticks
Mites
What are the classification of the Arthropods
(Ectoparasites)?
Insects
Arachnida
How are insects Identified?
Adults: 3 pairs of legs
Head, thorax, abdomen
Antenna
What is the life cycle of Diptera (Flies) and Siphonaptera (Fleas)?
ELPA
Egg-Larva-Pupa-Adult
What is the life cycle of Phthiraptera (Lice)
ENNNA
Egg (Nit)-Nymph-Nymph-Nymph-Adult
What is the Importance of flies in veterinary
parasitology?
Biological transmission of organisms (eg intermediate hosts of nematodes, protozoa,
etc)
Mechanical transmission of organisms
Fly strike
What are the Identification of flies (Diptera)?
Mouth parts
Size
Location on host
Larval stages: color; spines
What is the Life cycle of the fly (Diptera)
ELPA Adults: irritate animal feed on blood transmit disease Larvae/instars: migrate in animal feed on animal
Musca domestica
common house fly
Stomoxys calcitrans
Stable fly
What is the life cycle of Siphonaptera (Fleas)
ELPA
Egg-Larva-Pupa-Adult
Host specific
–Preferred host
–Site of infestationHost specific
Insects: Lice (Phthiraptera)
.
Anoplura
Sucking lice
suck blood; cause anemia
Move slowly
Head narrow than thorax
Ischnocera (Mallophaga)
Chewing lice
feed on skin surface;
pruritus; secondary infections
Move fast
Head wider than thorax
