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Parasite I Final Review > Block 2 > Flashcards

Block 2 Flashcards

(92 cards)

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1
Q

Trichoptera (Caddisflies)

A

Horse ingest on Dicosmeocus gilvips
Potomac Hose Fever (Neorickettsia risticii)
Avoid Aquatic Habitats
IV tetracycline

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2
Q

Culicidae (Mosquitoes)

A

Eggs on stagnant water
Larvae are air breathers
Culex, Aedes, Anopheles host (canine heartworm)
Anopheles host for Plasmodium
Viral encephalitis, West Nile, Rift Valley Fever

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3
Q

Simuliddae (Black Flies)

A 
Running Water and multivoltine 
Lacerates tissue nor piercing 
Leucocytozoonosis in poultry
Onchocerca volvulus (River Blindness) 
Stable live stock until sundown
(Short antennae and short moutparts)
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4
Q

Ceratopognidae (Biting Midges)

A

Any form of water and decaying vegetation
Nocturnal
Culicoides robertsi (Hypersensitivity, Sweat itch), Blue Tongue, African Horse Sickness
Stable affected horses nightly
(long antennae and short mouth part)

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5
Q

Psychodidae (True Sand Flies)

A

Eggs in Cracks (darkness and humidity)
Phlebotomos (tropical areas)
Leishmania (Dog) and Bartonella bacilliformies (Humans)
(wings radiate in straight line from base to top)

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6
Q

Tababidae (Horseflies and Deerflies)

A

Female suck blood
Breed near water at different stages
Annoyance
Anthrax, Deer fly, fever, anemia
Loa Loa and Trypansoma, anaplasomis, and pasteurellosis
Stable (they do not fly indoors)
(three larval instars, mouth armed with hooks at the top and spiracles)

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7
Q

Musca domestica (House Fly)

A

Lay eggs on decaying organic material
Decay, secretions around eyes, nostril, and wounds by tabanids
Nematode parasites of the stomach of the horse (Draschia megastoma and Habronema muscae)

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8
Q

Musca autumnalis (face fly)

A

Feeds on ocular and nasal discharges and frsh cattle dung
Bovine keratoconjunctivies (Moraxella bovis)
Thelazia infect conjunctival sacs
Wasps larvae kill the maggots
Residual activity

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9
Q

Stomaoxys calcitrans (Stable Fly)

A 
Fly into stables 
Both sexes feed 
Decay Organic material
Painful bite, increase head/ear movement
Habronema microstoma (parasite of the stomach horse)
(long proboscis - bite)
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10
Q

Haematobia irritans (Horn Flies)

A

Back of cattle move to the ventral abd. raining and hot days
Eggs on cow dung
Two week
Impair milk production and weight gains
Stephanofilaria stilesi (dermatitis in cattle abd)

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11
Q

Glossina (Tsetese)

A

All three larval stages feed on fluids from the uterine gland
Imp. Human and animal health

Trypanosomiasis (African Sleeping Sickness)
Nagana of domestic Animals
Education

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12
Q

Hydrate (Head Fly)

A 
Non biting 
Decay vegetation or feces 
Mastitis 
Corynebacterium 
Streptococcus
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13
Q

Hippobosciade (Keds)

- Melophagus ovinus

A

Irritation caused by adults lead to damage fleece
Trypanosoma melophagium
Entire life on the host

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14
Q

Hippobosciade (Keds)

- Lipoptena Cavi

A

North American White-tailed deer and wapiti
Most of yr, pupate and fall to the ground, new host
- Wings break off to feed

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15
Q

Sacrophagidae (Flesh Flies)

A

Ovoviviparous
Spiracles
Sarcophage and Wohlfahrtia cause Myiasis
Pathogens

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16
Q

Calliphoridae (Blow Flies)

A

Brilliant metallic blue, green, or black)
- flies strike because they blow (deposit) their eggs or larvae in meat
American screwworm fly Cochliomyia hominivorax lay eggs uninfected wounds
Mysis of man and animal
Wool Strike
Phaenicia sericata and Phormia regina surgical maggots

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17
Q

Bot Flies

A

Highly host specific

Adults do not feed (vestigial mouthparts)

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18
Q

Oestrus Ovis (Sheep nasal fly)

A

Honey bee
Larvae deposited in sheep nostril crawls into Mucus membrane
Larvipost in eyes
Dichlorovos or Fenthion

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19
Q

Hypderma bovis and Hypoderma lineatum (Heel flies)

A

No mouth parts for biting
H lineatum larvae are found in the esophagus migrate to the back and cut breathing hole
H Bovis in spinal cord than migrate
Larvae occasionally invade horses, migrating to the brain causing fatal neurological disease

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20
Q

Gasterophilus

A

G. nasalis ( gum line and duodenum)
G. itestinalis (tongue and stomach)
Stomach rupture, subserosal abscess, splenic, ulceration
Eggs removed from the haircoat with special fine tooth comb

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21
Q

Cuterebra

A

Eggs lay along rabbit runs and rodent burrow

Larvae found in Subcut.Con. T of dogs and cats

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22
Q

Dermatobia

A

Female use another fly to carry eggs

Larva emerges through breathing hole to pulpate

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23
Q

Anoplura (Blood Sucking Lice)

A

Parasites of placental animals only (periceing mouth parts)
Import. Factor in determining host specificity is the shape and size of the claws that enable the louse to cling to the hair of the host

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24
Q

Linognathus vituli

A

First pair of claws are shorter and spiracles are flush with the surface of the abdomen

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25
Pthirus pubis (The Human crab louse)
Large claws, hair of the public, facial hair | Popular dermatitis with discoloration of skin
26
Pthirus humanus capitis (Human head louse
``` Pediculus h. humanus clings to the fiber cloth Tramist typhus (Rickettsia prowazekii) ```
27
Mallophaga or chewing lice
Feed on epidermal scales, feathers, and sebaceous secretions of birds and mammals Tiny replicates of the adults
28
Amblycera
Parasites of birds, guinea pig and only one species of dig Menopon sp. of chicken Stout mandible
29
Rhynchophthirina (Biting louse)
Haematomyzus elephants MALLOPHAGEAN = Trichodectes canis (Feeds on the skin dandruff and secretion) ANOPLURAN = Linognathus setosus (Capillary Blood Feeder)
30
Siphonaptera (Fleas)
Plague (Yersinia pestis), murine typhus (Ricketssia typhi), rabbit myxomatosis virus, and felineparvovirus Intermediate host of tapeworm Dipylidium caninum (chewing mouthparts) and Dipetalonema reconditum
31
Reduviidae (Assassin Bugs and Kissing or Cone Nose Bugs)
Hide in crevices by day and attack their sleeping host at night Triatoma protracta a vector of Trypanosoma
32
Cimicidae (Bed Bugs)
Nocturnal | No disease transmission
33
Blattaria (Cockroaches)
Filth-borne disease of humans | IH of Spirura, Oxyspirura, amd Gongyloneme
34
Coleoptera (Beeltes)
Epicauta (Blister beetles) toxic to horses by releasing cantharidin in Alfaalfa hay
35
Aethina tumida
Attack hives of honeybees
36
Metastigmata (Ticks)
Blood sucking parasites | Toxicosis, wound, worry, and blood loss, tick paralysis
37
Argas (Soft Tick)
Rarely found on the host (cracks and crannies of the hen house) Egg clutch is laid after a blood meal Fowl spirochetosis (Borrelia anserine) via fecal contamination and transmit the spirochetes to their offspring via ovaries (transoviral transmission) - Rickettsial agent (Aegyptianella pullorum) to chicken and geese -Argas persicus = flaccid paralysis of young chicken
38
Orinthodoros (Soft Tick)
Found in cracks and crannies of avian roost and nests, rodent burrows and resting Larvae do not feed - Survive unfed Ornithodoros coriaceus attacks deer and cattle from the soil of their bedding areas Relapsing fever spirochetes (Borrelia recurrentis) of humans
39
Otobius megnini (Soft Tick)
The spinose ear tick, parasitize the ear canal of cattle - Adults have vestigial hypostomes and do not feed - larvae can survive unfed for two months
40
Ixodidae (hard tick)
- Live in fields or scrub areas where they await passing host - Have a shield or scutum that cover the entire dorsal surface of the male but only part of the dorsal surface of the female (Rhipicephalus) -Larvae, nymphs, and adults feed only once Transovarial Transmission (Babesia bigemia) One Host ticks as a vector (Boophilus) Bovine piroplasmosis, louping ill Lyme Disease
41
Ixodes dammini
Three host tick Feed on mice and voles as larva and nymph and on deer as adult Microtine piroplasmosis (Babesia microti) Lyme disease (Borrelia bugdorferi) Human granualocytic ehrlichiosis - White-footed mouse, Permyscus leucopus, is the reservoir host for Borrelia burgdorferi and a larvae for Ixodes dammini White tailed deer, Odocoileus virginianus, serve as a host to the adult tick
42
Haemaphysalis
Babesia and Anaplasma
43
Rhipicephalus (Brown Dog Tick) Sanguineus
Feed on dogs Tropical and Warmer species Unfed adults may survive for well over a year
44
Rhipicephalus annulatus
One host Transovarial vector of bovine piroplasmosis Reported to authorities, transmit bovine piroplasmosis, B. bigemina
45
Dermacentor Variabilis (American Dog Tick)
Rocky Mountain spotted fever (Rickettsia rickettsi) and tularemia (Francisella tularensis)
46
Dermacentor Andersoni (Rocky Mountain Wood Tick)
Several years | Rocky Moutain spotted fever, tularemia, Colorado tick fever, and Q fever and causes tick paralysis
47
Dermacentor Nitens (Tropical Horse Tick)
``` External Ear Canals Equine piroplasmosis (Babesia caballi) ```
48
Dermacentor Albipictus
Deer, elk, Mouse | Hair loss and fat reduction
49
Amblyomma
``` Tick Fever Rocky Mountain spotted Fever Tick Paralysis: - Ehrlichia chaffeensis - Ehrlichia ewingi African species of Amblyomma transmit heartwater (Cowdria ruminantium) of cattle ```
50
Dermanyssus
Eggs deposited on the diurnal hiding places Six-legged non-feeding larva Chicken Amt. of blood sucked can kill nestlings and reduce egg production Role unclear
51
Liponyssoides sanguineus (House Mouse)
Rickettsial Pox (Rickettsia akari) of humans
52
Ornithonyssus
Black or Red gut | Chelicerae are stouter
53
O. bacoti and Liponyssoides
Rodents, they attack humans in absence of the normal hosts
54
O. Sylviarum
Northern fowl mite
55
O. bursa
Tropical Fowl Mite
56
O. bacoti
Tropical Rat Mite Pest in Lab rodent stock Intermediate host for Litomosoides carinii, (cotton rat)
57
O. spp
Remain for long period on the hose (blood loss)
58
Ophionyssus natricis
Snake mite | Lifting of the scales
59
Raillietia auris
Parasite of the ears of cattle, causes ulceration and blockage of the auditory canal by pus, resulting in hearing loss Horner’s Syndrome Ivermectin Does not work
60
Pneumonyssis simicola
Lung parenchyma of most Macaca mulatta monkey Causes lesions mistaken as TB Separate Monkeys
61
Pneumonyssoides Caninum (Dogs)
Chronic Sneezing | Subcutaneous adm. Ivermectin
62
Rhinonyssidae
Sternostome tracheacolum Canaries domestic birds No clinical symptoms or Chronic Respiratory Moistening or parting the feathers in the neck region – (mites appear as shadowy spots in the trachea)
63
Varroa Jacobsoni (parasite of the Honey bee)
Colony Collapse They suck hemolymph from adult bees and the brood Female sealed in brood capsule with the larvae bees
64
Sarcoptes Scabiei
Cause mange or scabies | Selamectin, Ivermectin
65
Notoedres
Sm. Sacroptes Notoedres cati: Face mange of the cats Lime sulfur
66
Knemidokoptes mutans
Scaly leg in birds
67
Psoroptidae
Psoroptes ovis causes mange remains at the base of the hairs does not burrow in the epidermis Psoroptes Cuniculis causes ear canker in rabbits
68
Chorioptes bovis
Asymptomatic Infestation is more common that obvious dermatitis and causes deterioration of semen quality Eprinomectin for lactating diary cattle
69
Felicole subrostratus
The only louse found on cats | An infestation of lice is called pediculosis
70
Ctenocephallides
C. felis and C. canis are parasites of many domestic and wild mammals have genal and pronotal combs
71
Cediopsylla
Rabbit Flea
72
Echinophaga
of the poultry (heads, eyelids, ear canal of dogs, cats, no combs
73
Xenopsylla
a rat flea and biological vector of plague (Yersinia pesitis) and typhus (Ricketssia typhi) Vertical rod on the mesothorax distinguish them from the human flea
74
Pulex irritans
the humans flea
75
``` Order Siphonaptera (Flea) Treatment ```
Lufenuron - inhibitor Fipronil - block the passage of chloride ions of GABA Imidacloprid - blocks nicotinic acetlycholine
76
Characteristics of a Tick and Mite
Head, thorax and abdomen are fused. No antennae and no mandbiles. Mouth parts (palps, chelicerae and hypostome) + basic capituli form a capitulim or gnathosome
77
Ixodes holocyclus
Australia is the most virulent tick paralysis producer known
78
Ixodes pacificus
tick paralysis in North America
79
Ixodes
are vector of lyme disease in North America
80
Tick paralysis
ascending paralysis caused by absorption of toxins from saliva of the female tick
81
Blood Loss
"Tick worry" which is loss of blood, pain and swelling, secondary infection, myiasis and absorption of toxins lead to ill thrift of animal
82
Cryptostigmata
Oribatid Mites
83
Demodex
They live in the hair follicles and sebaceous glands of mammals. They cause disease in immunodeficiency animals
84
Demodex foliculorum and D. brevis
Human face
85
Cheytletiellidae
"walking dandruff"
86
Myobiidae
Causes dermatitis in stocks of laboratory rodents
87
Harpyrhynchidae
cause mangelike conditions in birds
88
Trombiculidae
Larvae Chiggers
89
Pyemotidae
Hay itch mites
90
Acarapis woodi
Tracheal mite of honey bee
91
Plentastomida (Linguatula serrata)
Occurs in the nasal and paranasal sinuses of dogs and cats (causes bleeding, inflammation and respiration problems)
92
Crustacea
IH of both cestodes and nematodes | Shrimp shapes

Parasite I Final Review (5 decks)

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