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Parasitology FINAL > Entomology > Flashcards

Entomology Flashcards

1
Q

Life cycle:

  • Mite.
  • Lice.
  • Fleas, Flies, Mosquitoes.
A
  • Hemi- metamorphosis, Mange/ Scabies.
  • Epi- morphosis, Bugs.
  • Holo- metamorphosis, Beetle.
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2
Q

Taxon/ Order name of bugs?

A

O: Hemiptera (Heteroptera).

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3
Q

Life cycle of bugs is?

A

Epimorphosis.

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4
Q

What is the feed for bugs?

A

Blood.

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5
Q

The female bugs lay down:

A

Eggs.

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6
Q

How many nymph stages does bug have?

A

5.

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7
Q

Where is the mouth of bug?

A

Vent.

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8
Q

Geographical occurence of Cimex lectularius?

A

Worldwide.

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9
Q

Bed- bugs ( Cimex lectularius) occur in building of:

A

Egg laying hens.

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10
Q

What kind of pathogens are transmitted by Bed- bugs?

A

None.

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11
Q

Is the Bed- bug a vector for anything, if so what?

A

No.

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12
Q

How many times does Bed- bug take blood meals during life cycle?

A

1 stage many times; Obligate blood feeders.

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13
Q

Bed bug blood sucking?

A

5/6.

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14
Q

Bites sleeping victims:

A
  • Cimex lectularis ( Bed bug).

- Triatoma( kissing bugs).

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15
Q

The sp. of Triatoma ( kissing bugs) occur in:

A
  • Latin + South America.

- ø in Europe.

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16
Q

How can Kissing bugs inoculate Trypanosoma cruzi ( Chagas disease)?

A

With their faeces.

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17
Q

How does the Blood sucking bug infect you?

A
  • You rub it into yourself.
  • After the bug bites + ingests blood, they defecate on person. The person can become infected if T. cruzi parasites in bug faeces enter the body through MM/ breaks in skin.
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18
Q

Xeno - diagnosis:

A

Biological vectors of T. cruzi + Triatoma spp, Rhodnius spp., Panstrongylus;Blood sucking bugs + examining faeces.

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19
Q

Darkling Beetle occurs in which building?

A

Poultry house.

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20
Q

Latin name of Darkling Beetle:

A

Alphitobius diaperinus.

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21
Q

What is the scientific name for Asian tiger mosquito?

A

Aedes albopictus.

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22
Q

Where are adult mosquitoes formed?

A

Develop in stagnant/ standing H20 or on soil of floodplains.

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23
Q

Feeding method of mosquitoes:

A
  • Only females take blood meals- Circadian rhythm.

- Both male + female feed on plant nectar, fruit juices + liquids.

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24
Q

Feeding activity of mosquitoes:

A

Nocturnal, diurnal, crepuscular.

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25
Q

Mosquitoes vectors of:

A

Protozoa, Viruses, Nematodes.

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26
Q

Which fly is of greatest nuisance to Eq?

A

Black- flies.

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27
Q

The females of Black- flies lay?

A

Eggs in batches on stone/ vegetation next to running H2O or in.

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28
Q

Where does the female gnat lay down?

A

Cocoon spinned by last larvae.

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29
Q

Female Black- fly:

A

Blood- suckers; Diurnal, exophilic, exophagic.

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30
Q

The antennae of Black- flies are:

A

Short with many segments ( 9 - 12).

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31
Q

The black flies are vectors of:

A

Onchocerca.

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32
Q

The infective stage of Onchocerca sp. develop in:

A

Black- flies.

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33
Q

Blackflies mechanical + biological vectors of:

A

Protozoa, Viruses, Nematodes.

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34
Q

The family name of Biting midges is:

A

Ceratopogonidae family ( Genus Culicoides).

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35
Q

Where do Culicoides spp. develop?

A

H2O vegetation, slow running streams, damp soil or manure heaps.

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36
Q

Biting midges wings are:

A

Mottled, patterned.

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37
Q

The feeding behaviour of male Biting midges:

A

Only females feed on vertebrate blood.

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38
Q

Which spends most of it’s time in larval form?

A

Biting midges.

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39
Q

What works as a vector for Blue tongue?

A

Culicoides.

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40
Q

The biting midges are ø the vectors of pathogens of?

A

Leishmaniosis.

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41
Q

Culicoides impunctatus causes:

A
  • Eq: Allergic dermatitis( Ponies).

- Human: Summer dermatitis + eczema.

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42
Q

The familly name of Sand flies is:

A

Psychodidae.

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43
Q

Sand flies in latin:

A

Phlebotomus + Lutzomyia spp.

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44
Q

When are Phlebotominae spp active?

A

Crepuscular/ Nocturnal.

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45
Q

Do male + female Sand-flies eat the same thing?

A

No, Females feed on blood.

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46
Q

Sandfly wings are

A

Hairy, held at an angle above the abdomen.

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47
Q

Sandfly has what developmental part:

A

Egg.

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48
Q

Sandflies are vectors of:

A

Protozoa, Viruses, Nematodes.

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49
Q

Which take blood meals in family Tabanidae?

A

Only females.

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50
Q

What is the genus name of deerflies?

A

Chrysops.

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51
Q

Tsetse fly family name?

A

Glossinidae.

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52
Q

Tsetse fly genus name?

A

Glossina

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53
Q

When is the Tsetse fly active?

A

During day- diurnal.

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54
Q

Female Tsetse fly lays:

A

L3- 3rd instar larval stage with polyneustic lobes.

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55
Q

Where do Tsetse flies develop?

A
  • In grp in Africa.

- In environment.

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56
Q

Tsetse fly feeding:

A

Male + female adults are blood feeders.

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57
Q

Hippoboscidae feeding:

A

Male + female are blood feeders.

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58
Q

Hippoboscidae are:

A

Larviparous/ Viviparous.

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59
Q

Keds are:

A

Larviparous/ Viviparous.

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60
Q

Family of Louse fly ( keds):

A

Hippoboscidae.

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61
Q

Which fly sp. becomes wingless after a while?

A

Lipotena cervi ( deer ked).

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62
Q

Which form do Forest flies lay?

A

Egg.

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63
Q

What is sheep ked called?

A

Melophagus ovinus.

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64
Q

Melophagus ovinus feeding:

A

Male + Female adults blood feed on sheep.

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65
Q

Melophagus ovinus deposition:

A

L3 fully grown larvae is deposited on fleece of sheep every 7 - 8 days.

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66
Q

Musca flies that likes the faeces of Sus?

A

Musca domestica.

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67
Q

What order does Fannia canicularis belong to?

A

Diptera ( flies).

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68
Q

Which fly attack dairy cattle on legs?

A

Stomoxys calcitrans.

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69
Q

Which fly bites the ears of Dogs?

A

Stomoxys calcitrans.( known as stable fly, barn fly, biting house fly, power mower fly).

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70
Q

Which is the mechanical vector of Moraxella bovis ( pink eye disease)?

A

Musca autumnalis ( facefly).

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71
Q

What kind of vector can cause eye- worm infection in cattle?

A

Faceflies.

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72
Q

Latin name of most common fly sp. that infest grazing cattle?

A

Haematobia irritans- Horn fly.

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73
Q

Define myaisis:

A

Infection with fly larva, usually occuring in tropical + sub- tropical areas.

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74
Q

Myaisis sensu stricto= Traumatic/ Wound myiasis.

A

Caused by spp. of Calliphoridae, Sarcophatidae + Oestridae.

75
Q

What is English name of Calliphoridae?

A

Blow- flies.

76
Q

Sheep blowfly is called:

A

Lucilla sericata( green- bottle fly).

77
Q

Australian blow- fly:

A

Calliphora augur( lesser-brown blowfly), Lucilla cuprina( Australian sheep blowfly).

78
Q

Sarchophagid flies:

A

Flesh flies.

79
Q

’ Gad’ caused by:

A

Hypoderma bovis.

80
Q

Elisa is used to fetect:

A

Hypoderma bovis.

81
Q

Genus of Heel fly ( cattle grub):

A

Hypoderma bovis + lineatum.

82
Q

Which fly lays eggs on legs of a Eq?

A

Gastrophilus intestinalis ( common bot fly).

83
Q

What fly invades the tongue in oral cavity?

A

Gastrophillinae ( bot flies).

84
Q

G. intestinalis, G. haemorrhoidalis + G. pecorum cause:

A

’ Creeping eruption’ in skin of humans.

85
Q

This sp can cause ‘ false gid’ ( incoordination, circle movement).

A

Oestrus.

86
Q

Name the sheep nasal bot fly:

A

Oestrus ovis.

87
Q

What causes nasal myiasis in Eq?

A

Rhinoestrus spp.

88
Q

Goat warble fly scientific name:

A

Przhevalskiana silenus.

89
Q

Dermatobiz hominis, who does it effect?

A

Cattle.

90
Q

Dermatobia hominis occurs in:

A

Central + South America.

91
Q

This vector infests other insects:

A

Dermatobia hominis.

92
Q

Which fly lies eggs on ecto- parasites?

A

Dermatobia hominis.

93
Q

Flies that cause obligatory myiasis:

A

Crysomia bezziana, Wohlfahrtia magnifica, Cochliomyia hominivorax.

94
Q

Flies that cause facultative myiasis:

A

Lucilla cuprina ( green- bottle fly).

95
Q

Where do mites belong?

A
  • Subphylum- Chelicerata.

- Class- Arachnida.

96
Q

Which are the:

  • Burrowing mites:
  • Non- burrowing mites
A
  • Knemidokoptes, Sarcoptes, Notoedres.

- Otodectes, Psoroptes, Chorioptes.

97
Q

Which mite lives in deep burrows within dermis?

A

Notoedres.

98
Q

Where in the world can you detect Trombidiidae? ( red velvet mites).

A

Europe, Asia, North Africa, Australia, India, Palearctic ecozone.

99
Q

Life cycle of Mange mites:

A

Hemi- metamorphosis.

100
Q

Clinical signs of mange/ scabies:

A

Alopecia, pruritis, dermatitis, Scabs/ crusts.

101
Q

Name the suborder of mange?

A

Astigmata.

102
Q

Mite, clinical signs start on neck + face?

A

Sarcoptes spp.

103
Q

Chorioptes mange effects Eq:

A

Limbs.

104
Q

Treatment of mange in Eq?

A

Moxidectin.

105
Q

How many types of mange infect Eq?

A

3 but 4 spp.

106
Q

Chorioptes mange effects Cow’s:

A

Tail.

107
Q

Chorioptes mange effect Sheep:

A

Foot.

108
Q

Treatment of Sheep mange:

A
  • Plunge- dipping.

- Injectable endectocides; at least 2 treatments with 7 day intervals.

109
Q

Forms of sarcoptic mange in Sus:

A
  • Hypersensitive - ø mites in skin scrapings–> serological detection ( ELISA).
  • Chronical form- few animals ( sows + boars); lots of mites found in skin scraping.
110
Q

Treatment of mange in sus:

A

Ivermectin as an inj/ feed addictive.

111
Q

Forms of mange in dog:

A
  • Acute/ hypersensitive form.
  • Chronic/ Norwegian form.
  • Scabies incognita.
112
Q

Acute mange in dogs, clinical signs:

A

On margins of ears, muzzle, lat/ elbows, hocks.

113
Q

Acute mange in dogs, initial lesions:

A

Erythema with papules- crust formation- alopecia- intense pruritis.

114
Q

Severe form of Sarcoptic mange in dogs:

A

Crusted scabies.

115
Q

Acute mange in dogs, diagnosis:

A

Skin scrapings + ELISA kits.

116
Q

Mange in dogs zoonotic?

A

True.

117
Q

Where does Notoedres cati start?

A

Med. edge of ear pinna.

118
Q

Notoedres cati ( head) common in:

A

Stray cats, males more often infested.

119
Q

Otodectes cynotis ( ear) common in:

A

Ear mange in cats.

120
Q

Otodectes cynotis ( ear) pathogenesis:

A
  • Thickening of upper layers of epidermis.

- Bilat involvement.

121
Q

Cinical signs in mange of cats:

A
  • Intense ear (s) scratching + head shaking.
  • Infestation of forelegs.
  • Auditopodal reflex- when massaging base of ear.
  • Abundant wax + crust in ear canal.
122
Q

Treatment of mange in cats:

A
  • Clean ear canal before any topical application.
  • x2 weekly for 6- 8 weeks, even when remission is observed after 2-3 weeks.
  • ø use Amitraz.
  • ø use Ivermectin in kittens <6 weeks + those in poor body cond.
  • Use ivermectin + Doramectin off- label in cats.
  • Consider sensitivity to- Organo-chlorines, organo-phosphates, carbamates + Pyrethroids.
123
Q

Mange of cats, zoonotic?

A

True.

124
Q

You noticed a flattened insect crawling on chest fur of a cat. You can also detect something white on hair shafts. Which parasite is it?

A

Notoedres.

125
Q

Most common mites in Rabbits:

A

Psoroptes cuniculi, Cheyletiella parasitovorax + Listophorus gibbus.

126
Q

Scaly leg due to:

A

Knemidokoptes mutans.

127
Q

The disease cause by:
K. gallinae
K.pillae

A
  • Delumping itch.

- Scaly face, tassel foot.

128
Q

Which of these can infest Humans?

A

Sarcoptei scabei + Ctenocephalids felis.

129
Q

What treatment is effective against mange?
Sheep
Sus
Cat

A
  • Plunge dipping, injectable endectocides.
  • Several endectocides.
  • Advocate/ Dectomax/ Ivomec/ Stronghold.
130
Q

The life cycle of Demodex mites:

A

Hemi- metamorphosis.

131
Q

Which spp. has 2 types of Demodicosis?

A

Cat.

132
Q

1st signs of Demodicosis in Eq?

A

Head ( face, neck + shoulders).

133
Q

What drug is ø effective against Demodex spp. in Eq?

A

Fenbendazole, Amitraz.

134
Q

Which Demodex spp. is ø in Ru.?

A

Demodex gatoi ( cats).

135
Q

There may be yellowish, dry materials on skin of preputial + vulvar region, and it caused by Demodex mites of:

A

Sheep.

136
Q

Demodex mites can cause nodules about 1- 2 cm in diameter in:

A

Goat.

137
Q

Which Demodex sp. belongs to Sus?

A

Demodex phylloides.

138
Q

How many Demodex spp. in Dog?

A

1 spp.

139
Q

Treatment of Demodicosis in dogs:

A

Amitraz, Ivermectin, Milbemicin- oxim.

140
Q

Demodex gatoi in cats:

A
  • Occurs in keratin layer of epidermis- Pruritic + contagious disease.
141
Q

Treatment of Demodex infection in cat:

A

Amitraz, Ivermectin.

142
Q

Soft ticks family:

A

Argasidae.

143
Q

Soft tick sp. of Pigeons:

A

Argas reflexus- European pigeon tick- Vector of Borrelia anserine.

144
Q

Which tick causes Lyme disease in Europe?

A

Argas reflexus.

145
Q

Spinose ear tick:

A

Otobius megnini.

146
Q

Nymphs of Otobius megnini feed where:

A

Ext ear canal.

147
Q

Otobius is what?

A

Soft tick.

148
Q

Hard ticks family:

A

Ixodidae.

149
Q

Which tick is nidicolous ( endophilic).

A

Ixodes hexagonus.

150
Q

Which tick is non- nidicolous ( exophilic)?

A

Ixodes ricinus.

151
Q

Ticks which transmit large Babesia in cattle?

A

Boophilus spp, Haemaphysalis punctuata.

152
Q

Tick that transmits Babesia canis?

A

Dermacentor reticulatus.

153
Q

How many Dermacentor spp. in Eq?

A

1 spp.

154
Q

Brown dog tick/ Kennel tick:

A

Rhipicephalus sanguineus.

155
Q

Name of a Tick vaccine:

A

Tickguard, Gavac- Rh. Microplus.

156
Q

What kind of fleas can the urban dog have?

A
  • Ctenocephalides canis.
  • Ctenocephalides felis.
  • Pulex irritans.
  • Ceratophyllus gallinae.
157
Q

Military dermatitis seen in:

A

Cat.

158
Q

The cat flea has very strong host specificity?

A

False.

159
Q

Life cycle of Fleas is epi- morphosis?

A

False.

160
Q

Flea larvae can occur in environment?

A

True.

161
Q

Treatment against Flea larvae.

A

Methoprene, Lufenuron, Diflubenzuron.

162
Q

How long can lice survive away from host?

  • Blood sucking
  • Chewing
A
  • Survive for only 4- 7 days off their hosts.

- Survive for 2 - 4 weeks away from hosts.

163
Q

How long does a sheep louse live?

A

1- 5 mnths ( chewing lice).

164
Q

This sp. has both a blood sucking + chewing lice:

A

Dog, Eq, Goat.

165
Q

Which host sp. doesn’t have blood sucking lice?

A

Cat + Bird.

166
Q

’ Sheep foot louse’ name:

A

Lignonathus pedalis.

167
Q

Cow with loss of hair on tail due to:

A

Haematopinus quadripertusus- cattle tail of louse.

168
Q

Tongue- worm:

A
  • Linguatula serrata, zoonotic.

- Indirect lifecycle.

169
Q

The life cycle of tongue- worm is:

A

With an intermediate host: Sheep, cattle, rodents.

170
Q

The tongue worm of dogs belongs to:

A

Arthropoda.

171
Q

The tongue worm belongs to:

A

Pentastomida.

172
Q

The closest relationship of tongue- worm is to:

A

Crustacean.

173
Q

The tongue worm of dog is:

A

Obligate Heteroxenous.

174
Q

The females of tongue worm of dogs lay down:

A

Eggs.

175
Q

How can dogs be infected with tongue worm?

A

By eating infested viscera.

176
Q

The site of PE1 of tongue worm?

A

Lungs + Liver.

177
Q

Can linguatulosis occur in Eq nasal cavity?

A

False.

178
Q

Linguata affects herbivores:

A

True.

179
Q

Cheyletiella blakei in dog?

A

False.

180
Q

Another name for Cheyletiella?

A

Walking dandruff.

181
Q

Lifecycle of Dermanyssus gallinae?

A

1- 2 weeks.

182
Q

Name of nasal mite in Dog?

A

Pneumonyssioides caninum.

183
Q

Nasal mite is:

A

Viviparous.

Parasitology FINAL (4 decks)

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