Entomology Flashcards
1
Q
Life cycle:
- Mite.
- Lice.
- Fleas, Flies, Mosquitoes.
A
- Hemi- metamorphosis, Mange/ Scabies.
- Epi- morphosis, Bugs.
- Holo- metamorphosis, Beetle.
2
Q
Taxon/ Order name of bugs?
A
O: Hemiptera (Heteroptera).
3
Q
Life cycle of bugs is?
A
Epimorphosis.
4
Q
What is the feed for bugs?
A
Blood.
5
Q
The female bugs lay down:
A
Eggs.
6
Q
How many nymph stages does bug have?
A
5.
7
Q
Where is the mouth of bug?
A
Vent.
8
Q
Geographical occurence of Cimex lectularius?
A
Worldwide.
9
Q
Bed- bugs ( Cimex lectularius) occur in building of:
A
Egg laying hens.
10
Q
What kind of pathogens are transmitted by Bed- bugs?
A
None.
11
Q
Is the Bed- bug a vector for anything, if so what?
A
No.
12
Q
How many times does Bed- bug take blood meals during life cycle?
A
1 stage many times; Obligate blood feeders.
13
Q
Bed bug blood sucking?
A
5/6.
14
Q
Bites sleeping victims:
A
- Cimex lectularis ( Bed bug).
- Triatoma( kissing bugs).
15
Q
The sp. of Triatoma ( kissing bugs) occur in:
A
- Latin + South America.
- ø in Europe.
16
Q
How can Kissing bugs inoculate Trypanosoma cruzi ( Chagas disease)?
A
With their faeces.
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.
18
Q
Xeno - diagnosis:
A
Biological vectors of T. cruzi + Triatoma spp, Rhodnius spp., Panstrongylus;Blood sucking bugs + examining faeces.
19
Q
Darkling Beetle occurs in which building?
A
Poultry house.
20
Q
Latin name of Darkling Beetle:
A
Alphitobius diaperinus.
21
Q
What is the scientific name for Asian tiger mosquito?
A
Aedes albopictus.
22
Q
Where are adult mosquitoes formed?
A
Develop in stagnant/ standing H20 or on soil of floodplains.
23
Q
Feeding method of mosquitoes:
A
- Only females take blood meals- Circadian rhythm.
- Both male + female feed on plant nectar, fruit juices + liquids.
24
Q
Feeding activity of mosquitoes:
A
Nocturnal, diurnal, crepuscular.
25
Mosquitoes vectors of:
Protozoa, Viruses, Nematodes.
26
Which fly is of greatest nuisance to Eq?
Black- flies.
27
The females of Black- flies lay?
Eggs in batches on stone/ vegetation next to running H2O or in.
28
Where does the female gnat lay down?
Cocoon spinned by last larvae.
29
Female Black- fly:
Blood- suckers; Diurnal, exophilic, exophagic.
30
The antennae of Black- flies are:
Short with many segments ( 9 - 12).
31
The black flies are vectors of:
Onchocerca.
32
The infective stage of Onchocerca sp. develop in:
Black- flies.
33
Blackflies mechanical + biological vectors of:
Protozoa, Viruses, Nematodes.
34
The family name of Biting midges is:
Ceratopogonidae family ( Genus Culicoides).
35
Where do Culicoides spp. develop?
H2O vegetation, slow running streams, damp soil or manure heaps.
36
Biting midges wings are:
Mottled, patterned.
37
The feeding behaviour of male Biting midges:
Only females feed on vertebrate blood.
38
Which spends most of it's time in larval form?
Biting midges.
39
What works as a vector for Blue tongue?
Culicoides.
40
The biting midges are ø the vectors of pathogens of?
Leishmaniosis.
41
Culicoides impunctatus causes:
- Eq: Allergic dermatitis( Ponies).
| - Human: Summer dermatitis + eczema.
42
The familly name of Sand flies is:
Psychodidae.
43
Sand flies in latin:
Phlebotomus + Lutzomyia spp.
44
When are Phlebotominae spp active?
Crepuscular/ Nocturnal.
45
Do male + female Sand-flies eat the same thing?
No, Females feed on blood.
46
Sandfly wings are
Hairy, held at an angle above the abdomen.
47
Sandfly has what developmental part:
Egg.
48
Sandflies are vectors of:
Protozoa, Viruses, Nematodes.
49
Which take blood meals in family Tabanidae?
Only females.
50
What is the genus name of deerflies?
Chrysops.
51
Tsetse fly family name?
Glossinidae.
52
Tsetse fly genus name?
Glossina
53
When is the Tsetse fly active?
During day- diurnal.
54
Female Tsetse fly lays:
L3- 3rd instar larval stage with polyneustic lobes.
55
Where do Tsetse flies develop?
- In grp in Africa.
| - In environment.
56
Tsetse fly feeding:
Male + female adults are blood feeders.
57
Hippoboscidae feeding:
Male + female are blood feeders.
58
Hippoboscidae are:
Larviparous/ Viviparous.
59
Keds are:
Larviparous/ Viviparous.
60
Family of Louse fly ( keds):
Hippoboscidae.
61
Which fly sp. becomes wingless after a while?
Lipotena cervi ( deer ked).
62
Which form do Forest flies lay?
Egg.
63
What is sheep ked called?
Melophagus ovinus.
64
Melophagus ovinus feeding:
Male + Female adults blood feed on sheep.
65
Melophagus ovinus deposition:
L3 fully grown larvae is deposited on fleece of sheep every 7 - 8 days.
66
Musca flies that likes the faeces of Sus?
Musca domestica.
67
What order does Fannia canicularis belong to?
Diptera ( flies).
68
Which fly attack dairy cattle on legs?
Stomoxys calcitrans.
69
Which fly bites the ears of Dogs?
Stomoxys calcitrans.( known as stable fly, barn fly, biting house fly, power mower fly).
70
Which is the mechanical vector of Moraxella bovis ( pink eye disease)?
Musca autumnalis ( facefly).
71
What kind of vector can cause eye- worm infection in cattle?
Faceflies.
72
Latin name of most common fly sp. that infest grazing cattle?
Haematobia irritans- Horn fly.
73
Define myaisis:
Infection with fly larva, usually occuring in tropical + sub- tropical areas.
74
Myaisis sensu stricto= Traumatic/ Wound myiasis.
Caused by spp. of Calliphoridae, Sarcophatidae + Oestridae.
75
What is English name of Calliphoridae?
Blow- flies.
76
Sheep blowfly is called:
Lucilla sericata( green- bottle fly).
77
Australian blow- fly:
Calliphora augur( lesser-brown blowfly), Lucilla cuprina( Australian sheep blowfly).
78
Sarchophagid flies:
Flesh flies.
79
' Gad' caused by:
Hypoderma bovis.
80
Elisa is used to fetect:
Hypoderma bovis.
81
Genus of Heel fly ( cattle grub):
Hypoderma bovis + lineatum.
82
Which fly lays eggs on legs of a Eq?
Gastrophilus intestinalis ( common bot fly).
83
What fly invades the tongue in oral cavity?
Gastrophillinae ( bot flies).
84
G. intestinalis, G. haemorrhoidalis + G. pecorum cause:
' Creeping eruption' in skin of humans.
85
This sp can cause ' false gid' ( incoordination, circle movement).
Oestrus.
86
Name the sheep nasal bot fly:
Oestrus ovis.
87
What causes nasal myiasis in Eq?
Rhinoestrus spp.
88
Goat warble fly scientific name:
Przhevalskiana silenus.
89
Dermatobiz hominis, who does it effect?
Cattle.
90
Dermatobia hominis occurs in:
Central + South America.
91
This vector infests other insects:
Dermatobia hominis.
92
Which fly lies eggs on ecto- parasites?
Dermatobia hominis.
93
Flies that cause obligatory myiasis:
Crysomia bezziana, Wohlfahrtia magnifica, Cochliomyia hominivorax.
94
Flies that cause facultative myiasis:
Lucilla cuprina ( green- bottle fly).
95
Where do mites belong?
- Subphylum- Chelicerata.
| - Class- Arachnida.
96
Which are the:
- Burrowing mites:
- Non- burrowing mites
- Knemidokoptes, Sarcoptes, Notoedres.
| - Otodectes, Psoroptes, Chorioptes.
97
Which mite lives in deep burrows within dermis?
Notoedres.
98
Where in the world can you detect Trombidiidae? ( red velvet mites).
Europe, Asia, North Africa, Australia, India, Palearctic ecozone.
99
Life cycle of Mange mites:
Hemi- metamorphosis.
100
Clinical signs of mange/ scabies:
Alopecia, pruritis, dermatitis, Scabs/ crusts.
101
Name the suborder of mange?
Astigmata.
102
Mite, clinical signs start on neck + face?
Sarcoptes spp.
103
Chorioptes mange effects Eq:
Limbs.
104
Treatment of mange in Eq?
Moxidectin.
105
How many types of mange infect Eq?
3 but 4 spp.
106
Chorioptes mange effects Cow's:
Tail.
107
Chorioptes mange effect Sheep:
Foot.
108
Treatment of Sheep mange:
- Plunge- dipping.
| - Injectable endectocides; at least 2 treatments with 7 day intervals.
109
Forms of sarcoptic mange in Sus:
- Hypersensitive - ø mites in skin scrapings--> serological detection ( ELISA).
- Chronical form- few animals ( sows + boars); lots of mites found in skin scraping.
110
Treatment of mange in sus:
Ivermectin as an inj/ feed addictive.
111
Forms of mange in dog:
- Acute/ hypersensitive form.
- Chronic/ Norwegian form.
- Scabies incognita.
112
Acute mange in dogs, clinical signs:
On margins of ears, muzzle, lat/ elbows, hocks.
113
Acute mange in dogs, initial lesions:
Erythema with papules- crust formation- alopecia- intense pruritis.
114
Severe form of Sarcoptic mange in dogs:
Crusted scabies.
115
Acute mange in dogs, diagnosis:
Skin scrapings + ELISA kits.
116
Mange in dogs zoonotic?
True.
117
Where does Notoedres cati start?
Med. edge of ear pinna.
118
Notoedres cati ( head) common in:
Stray cats, males more often infested.
119
Otodectes cynotis ( ear) common in:
Ear mange in cats.
120
Otodectes cynotis ( ear) pathogenesis:
- Thickening of upper layers of epidermis.
| - Bilat involvement.
121
Cinical signs in mange of cats:
- Intense ear (s) scratching + head shaking.
- Infestation of forelegs.
- Auditopodal reflex- when massaging base of ear.
- Abundant wax + crust in ear canal.
122
Treatment of mange in cats:
- 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
Mange of cats, zoonotic?
True.
124
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?
Notoedres.
125
Most common mites in Rabbits:
Psoroptes cuniculi, Cheyletiella parasitovorax + Listophorus gibbus.
126
Scaly leg due to:
Knemidokoptes mutans.
127
The disease cause by:
K. gallinae
K.pillae
- Delumping itch.
| - Scaly face, tassel foot.
128
Which of these can infest Humans?
Sarcoptei scabei + Ctenocephalids felis.
129
What treatment is effective against mange?
Sheep
Sus
Cat
- Plunge dipping, injectable endectocides.
- Several endectocides.
- Advocate/ Dectomax/ Ivomec/ Stronghold.
130
The life cycle of Demodex mites:
Hemi- metamorphosis.
131
Which spp. has 2 types of Demodicosis?
Cat.
132
1st signs of Demodicosis in Eq?
Head ( face, neck + shoulders).
133
What drug is ø effective against Demodex spp. in Eq?
Fenbendazole, Amitraz.
134
Which Demodex spp. is ø in Ru.?
Demodex gatoi ( cats).
135
There may be yellowish, dry materials on skin of preputial + vulvar region, and it caused by Demodex mites of:
Sheep.
136
Demodex mites can cause nodules about 1- 2 cm in diameter in:
Goat.
137
Which Demodex sp. belongs to Sus?
Demodex phylloides.
138
How many Demodex spp. in Dog?
1 spp.
139
Treatment of Demodicosis in dogs:
Amitraz, Ivermectin, Milbemicin- oxim.
140
Demodex gatoi in cats:
- Occurs in keratin layer of epidermis- Pruritic + contagious disease.
141
Treatment of Demodex infection in cat:
Amitraz, Ivermectin.
142
Soft ticks family:
Argasidae.
143
Soft tick sp. of Pigeons:
Argas reflexus- European pigeon tick- Vector of Borrelia anserine.
144
Which tick causes Lyme disease in Europe?
Argas reflexus.
145
Spinose ear tick:
Otobius megnini.
146
Nymphs of Otobius megnini feed where:
Ext ear canal.
147
Otobius is what?
Soft tick.
148
Hard ticks family:
Ixodidae.
149
Which tick is nidicolous ( endophilic).
Ixodes hexagonus.
150
Which tick is non- nidicolous ( exophilic)?
Ixodes ricinus.
151
Ticks which transmit large Babesia in cattle?
Boophilus spp, Haemaphysalis punctuata.
152
Tick that transmits Babesia canis?
Dermacentor reticulatus.
153
How many Dermacentor spp. in Eq?
1 spp.
154
Brown dog tick/ Kennel tick:
Rhipicephalus sanguineus.
155
Name of a Tick vaccine:
Tickguard, Gavac- Rh. Microplus.
156
What kind of fleas can the urban dog have?
- Ctenocephalides canis.
- Ctenocephalides felis.
- Pulex irritans.
- Ceratophyllus gallinae.
157
Military dermatitis seen in:
Cat.
158
The cat flea has very strong host specificity?
False.
159
Life cycle of Fleas is epi- morphosis?
False.
160
Flea larvae can occur in environment?
True.
161
Treatment against Flea larvae.
Methoprene, Lufenuron, Diflubenzuron.
162
How long can lice survive away from host?
- Blood sucking
- Chewing
- Survive for only 4- 7 days off their hosts.
| - Survive for 2 - 4 weeks away from hosts.
163
How long does a sheep louse live?
1- 5 mnths ( chewing lice).
164
This sp. has both a blood sucking + chewing lice:
Dog, Eq, Goat.
165
Which host sp. doesn't have blood sucking lice?
Cat + Bird.
166
' Sheep foot louse' name:
Lignonathus pedalis.
167
Cow with loss of hair on tail due to:
Haematopinus quadripertusus- cattle tail of louse.
168
Tongue- worm:
- Linguatula serrata, zoonotic.
| - Indirect lifecycle.
169
The life cycle of tongue- worm is:
With an intermediate host: Sheep, cattle, rodents.
170
The tongue worm of dogs belongs to:
Arthropoda.
171
The tongue worm belongs to:
Pentastomida.
172
The closest relationship of tongue- worm is to:
Crustacean.
173
The tongue worm of dog is:
Obligate Heteroxenous.
174
The females of tongue worm of dogs lay down:
Eggs.
175
How can dogs be infected with tongue worm?
By eating infested viscera.
176
The site of PE1 of tongue worm?
Lungs + Liver.
177
Can linguatulosis occur in Eq nasal cavity?
False.
178
Linguata affects herbivores:
True.
179
Cheyletiella blakei in dog?
False.
180
Another name for Cheyletiella?
Walking dandruff.
181
Lifecycle of Dermanyssus gallinae?
1- 2 weeks.
182
Name of nasal mite in Dog?
Pneumonyssioides caninum.
183
Nasal mite is:
Viviparous.
