Insects Flashcards
1
Q
Musca domestica
A
- House fly
- Animals & humans
- Adults 5.5-7.5 mm
- Sponging mouthparts
- Eggs in animal manure & decaying organic materials
- Pass Draschia megastoma and Habronema spp.
2
Q
Musca autumnalis
A
- Face fly, animals & human
- Animal secretions and wounds
- Eggs laid in feces or rotting organic material
- Eye disorders or conjunctivitis
3
Q
Stomoxys calcitrans
A
- Stable fly, biting housefly
- Animals and humans
- Mouthparts suitable for blood taking
- Sits on walls head up
- Eggs on decaying matter such as damp hay
- Do not treat compost
4
Q
Haematobia irritans
A
- Horn fly, around horn after feeding
- Cattle
- Half the size of house fly
- Back in swarm; abdomen when raining
- Eggs in fresh feces
- Treat host
5
Q
Culicoides spp.
A
- Biting midges, “no-see-ums”
- Animals and humans
- Short piercing proboscis
- Painful bite
6
Q
Tabanus spp.
A
- Horse fly (Tabanids) & deer fly (Chryssops)
- Large domestic or wild animals, humans, small mammals, birds
- Mouthparts slashing and sponging
- Painful bites
- Deer flies bite horses in shaded areas
- Deer flies have longer antennae
7
Q
Melophagus ovinus
A
- Sheep
- Flattened, hairy wingless dipteran
- Blood sucking mouthparts
- Whole life cycle on host
- May be mistaken as tick
8
Q
Cuterebra spp.
A
- Rodent or rabbit bot fly, New World skin bot flies
- Many different hosts, zoonotic
- Subcutaneous connective tissue
- Larva removal
- May cause type I hypersensitivity
9
Q
Hypoderma spp.
A
- Adult: Warble fly, heel fly, ox warble
- Larvae: Cattle grub
- Host(s): Cattle
- 1st stage instar: H. lineatum– submucosa of esophagus; H. bovis –epidural fat of spinal cord -3rd stage instar: lumps on backs
- MCL treatment, timing (Late summer, early fall)
10
Q
Oestrus ovis
A
- Sheep nasal bot, warble fly of sheep etc.
- Sheep & goats, zoonotic: Eye or lip
- 1st stage instars are deposited by female during flight
- Larval irritation –snotty nose -Aberrant migration –brain
11
Q
Gasterophilus spp.
A
- Bot fly larvae, bot fly
- Horses
- Differentiation based on colorand spines
- 3rd stage instars in the stomach or small intestine
- Adults –fly worry
12
Q
Cochliomyia hominivorax
A
- New World screwworm
- Livestock
- Larvae feed invasively on living tissue
- Adult females mate only once in entire life
- Eggs laid on fresh, uninfected wounds
- Releasing sterile males
13
Q
Sarcophagidae
A
- Flesh flies
- Any animal
- Lay 1st stage instars in sores, wounds, necrotic tissue, wool soiled with feces or urine
14
Q
Trichodectes canis
A
- Dog biting louse or canine chewing louse
- Requires host to complete life cycle
- Vector of D. caninum
- Heavy infestations in neglected and underfed animals
- Affects young
15
Q
Felicola subrostratus
A
- Cat biting louse
- Transverse brown bands, triangular anterior end
- Elderly or chronically ill animals
16
Q
Damalinia bovis
A
- Cattle biting louse
- Head, poll, neck, shoulders, rump, tail switch
- Winter favors proliferation
- Malnutrition or chronic disease
17
Q
Damalinia ovis
A
- Biting louse of sheep
- Sheep and goats
- Wool over whole body
- Damage to fleece
- Most pathogenic of all sheep lice
18
Q
Avian lice
A
-Bitingchewinglice
-Domesticandwildfowl
Commonnamee.g.,winglouse, flufflouse
-Sleeplessness,inappetence, scratching,featherplucking
19
Q
Linognathus spp.
A
- L. setosus: Dog, Canine sucking louse, Head and neck
- L. vituli: Cattle, Long-nosed cattle louse, Head, neck, and dewlap
- L. pedalis: Sheep, Ovine foot louse, Feet
- L. ovillus: Ovine face or body louse, Face and Upper body
20
Q
Solenopotes capillatus
A
- Little blue cattle louse
- Cattle
- Smallest anopluranlouse on cattle
- Neck, head, shoulders, dewlap, back and tail
21
Q
Haematopinus eurysternus
A
- Short nosed cattle louse
- Cattle
- Largest louse
- Head, ears, eyes, nostrils
22
Q
Haematopinus suis
A
- Sucking louse of swine
- Pigs
- Largest louse
- Skin folds (neck and jowl, flanks, insides of legs)
- Anemia rear
23
Q
Ctenocephalides felis
A
- Dogs and cats
- Only adults on host
- Flea allergy dermatitis (FAD)
- Vector of Dipylidium caninum
- Flea collar
- Allow treated pet to roam in usual places
24
Q
Ctenocephalides canis
A
- Common name: Dog flea
- Host: Dogs, cats, rats, rabbits, foxes & humans
- Very similar to C. felis
25
Echidnophaga spp.
-Sticktight flea
-Domestic and wild fowl
-Distinctive blunt head
Head, comb, wattles and eyes
-Irritation, blood loss & anemia
26
Cimex spp.
- Nesting birds, humans, bats
- Cracks & crevice in day time, feed on host in night
- Survive > 5 months without bloodmeal
- Allergic reactions
