Past Question 1 Flashcards
Which diagnostic methods are used to detect the presence of trypanosomes in dried blood smears?
Giemsa staining.
what is found in giardiasis?
Trypomastigotes, Promastigotes, Oocytes
Others.
What is the main difference for detection of intestinal Trichomonas/ Giardia infection?
Giardia turn to cyst, Trichomonas ø.
What is an adequate method to detect Giardia cysts in fresh feces?
Flotation.
Which forms of Trichomonas can be found in outer environment?
( Cyst, Flagellated, Ameboid).
ø any forms.
Which is the non- cyclic Trypanosoma sp. among the next ones?
T. evansi.
Which morphological form of Leishmania can be found in vertebrate?
Amastigote.
What are the morphs of Leishmanias that appear in macrophages?
Amastigotes.
Which sp. are susceptible for the disease of “ mal de caderas”?
Eq + Donkey.
What is Trypanosoma that infects host without vectors?
T. equiperdum.
How many flagellums does a Giardia trophozoite have?
8.
Which method of staining can be applied to detect Histomonas in tissues?
PAS.
Which has the largest among the causative agents of Nagana?
T. brucei brucei.
What is the most frequent cause of death in Nagana?
Heart failure.
Which sp. does the causative agent of dourine belong to?
T. equiperdum.
Name of parasite found in closely related sp.
Stenoxenous.
Which has cutaneous + visceral forms?
Leishmaniasis.
Animal obligatory for the completion of life cycle?
Definitive host.
Parasite of cycle involves 1 sp.
Monoxenous.
Which does ø cause nagana?
T. equiperdum.
Which cysts can be found in faeces of animal?
Giardiasis.
Which is monomorphic?
T. vivax.
How do the clinical signs of Dourine follow each other?
Genital, skin, n.
Which host is ø needed to complete life cycle?
Paratenic host.
Which animal sp. have general form of histomonosis?
Guinea fowl.
What is the name of Trichomoniasis sp. found in cattle?
Tritrichomonas foetus.
Parasite can only be established in 1 host:
Stenoxenous.
Which is ø zoonotic?
Histomonosis.
Flagellate form can be found in caecal lumen?
Histomonosis.
In which faecal sample can you find cysts?
Giardiasis.
What can you find in the blood smear of Dourine?
Trypomastigotes.
Which of these parasites can infect more than 1 host?
Euryxenous.
Which sp. is found in old/ new world America?
T. vivax.
What is the vector of Leishamaniasis?
Sandfly.
What is the vector of Nagana?
Tsetse fly.
What is the number of nuclei in infected cysts, of entamoebosis?
4.
What can be detected in Leishmaniasis?
Amastigotes.
Which form of Histomonas is found in caecum?
Flagellate.
Which Trypanosoma needs a mechanical vector?
T. evansi.
Which parasite sp. causes Black head?
Histomonas meleagridis.
Which is the clinical form of Leishmaniasis in dogs?
Cutaneous form.
How do you detect Leishmaniasis?
Smear with Giemsa staining, detection of Amastigotes.
Which test can you use to detect Dourine?
Complement fixation test x2 with 3- week interval.
Cellular organelle of Leishmaniasis consists of?
Nucleus, Kinetoplast, Axoneme, or basal body.
Which sp. is 1ºly affected by Histomonas meleagridis?
3- 12 week old Turkeys.
Which parasites are pleomorphic?
T. brucei, Histomonas meleagridis.
What can we detect in Giardiasis?
- Trophozoites ( vegetative form) in faecal smear.
- Cysts ( infectious form) in faecal smear.
Which cells carry Leishmaniasis?
Macrophages.
Which Trypanosome is ø involved in Nagana?
T. cruzei, T. evansi.
Which cellular organelle is present in Trypanosoma?
Kinetoplast.
Which parasite release cysts into faeces of animals?
Giardia duodenalis.
What is the mechanical vector of Nagana?
Stomoxys + Tabanu.
Where does merozoite develop?
Inside Schizont.
How many cells can be infected by a merozoite of Eimera?
1.
How many gamonts can develop from 1 Schizont?
Many.
How many epithelial cells can be infected by content of 1 Schizont of Eimera?
Many.
How can we recognise chicken coccidia by sp. in the simplest way?
Based on necropsy findings.
In order to identify the sp. of a sporulated oocyte, what of the following is needed?
Size of oocyte.
What does the unsporulated oocyst contain?
Zygote.
What does the sporulated oocysts contain?
Sporocysts.
Where does the sporozoite develop?
In the oocyst.
Where does the sporogony of Eimera maxima take place?
In outer environment.
Which animal sp. can be infected by Eimera acervulina?
Chickens.
Where does the sporogony of Eimera acervulina take place?
In outer environment.
Where do Eimera acervulina gamonts develop?
Duodenum + Jejunum.
What can we observe on surface of mucosa in case of E. necatrix infection?
Unclotted blood.
Where does the sporogony of Eimera brunetti takes place?
In outer environment.
Where do Eimera brunetti schizonts develop?
Lower part of intestine.
Where do the Eimera tenella schizonts develop?
Caecum.
Which symptom does ø appear in case of renal coccidiosis?
Bloody faeces.
Where is the E. Truncata 1ºly located?
Renal tubules.
E. labbeanna occurs in?
Pigeon small intestine.
What does the sporulated oocyst of coccidiosis contain?
4 sporocysts + 2 sporozoites.
How many epithelial cells can become infected by 1 E. oocyst at the beginning of infection?
8 cells.
How many epithelial cells can be infected by the content of 1 E. sporocyst?
2.
How many macrogametes can develop from 1 macrogamont?
1.
The correct order in life cycle of E.?
Sporongy, Schizogeny, Gametogony, Sporogony.
Which sp. of E. are haemorrhagic?
E. Tenella, E. Necatrix, E. Brunetti.
Which sp. of E. are ø haemorrhagic?
E.maxima, E. acervulina, E. mitis, E. praecox.
Which 3 sp. are ø characterized by blood in intestines?
E. acervulina, E.mitis, E. praecox.
Which method do you ø use to identify the sp. in chicken coccidosis?
Mc Master method.
Time lapse from infection of host to appearence of parasite sexual product in faeces is called
PP.
During gametogony when the merozoites develop into female gametocytes they are called
Macrogametocytes.
Which animal sp. can be infected by E. maxima?
Chicken.
What do you find on mucosa during an infection with E. maxima?
Petechiae.
Which statement is true:
E. maxima has a 30x 20 µm oocyst that is characteristic.
Size of oocyte can be used as identification for which of these sp.?
E. maxima or ‘ other’.
Which has slightly orange/ salmon pink exudate in lumen?
E. maxima.
Where does the schizogony of E. acervulina take place?
In epithel of duodenum + jejunum.
Which one has discrete white foci/ transverse bands which are ladder- like?
E. acervulina.
Where do Schizonts of E. necatrix develop?
In jejunum + Ileum.
Animals infected by E. brunetti?
Chickens.
What is ø true?
E. brunetti is found in duodenum.
Which animal sp. can be infected by E. tenella?
Chicken.
Where do Schizonts of E. mitis develop?
In jejunum.
In goose what sp. of E. affects kidneys?
E. truncata.
Which of the following is a symptom of E. truncata?
Torticollis.
Which is the most usual form of biliary coccidiosis in rabbit?
Symptomless.
What organ is affected by Bo coccidiosis?
Large intestines.
What size is the oocyst of Isospora suis?
About 20 µm.
How can we increase the sensitivity of detection of I. suis oocyst in microscope?
With autofluorescence.
Where are the pathologic lesions that occur in case of I. suis infection?
In caecum + ileum.
What does the hepatic lesions contains in case of E. infection?
Gamonts + oocysts.
Which are the largest among the following ones?
I. felis.
What is the worst consequence of Sus coccidiosis?
Dehydration.
Diarrhoea caused by coccidiosis last for.. in puppy?
1- 2 weeks.
Diarrhoea caused by coccidiosis last for… in kittens?
1- 2 days.
Which sp. can infect cats?
I. rivolta.
Which sp. can infect dog?
I. canis.
What symptom is ø caused by I. felis in cat?
Miocarditis.
What symptom is ø caused by I. canis in dog?
Miocarditis.
What symptom is caused by E. stiedai in rabbit?
Cholangitis.
What symptom is caused by I. suis in young Sus?
Diarrhoea.
Which sp. has the biggest oocyst in dogs?
I. canis.
What age of cattle is the most susceptible for E. infection?
2- 5 months.
Which sp. affects the large intestines in rabbit?
E. flavescens.
From what sp. do we ø need to distinguish Isospora felis oocyst samples?
I. ohioensis.
Which sp. has pinhead- sized nodules in ileum?
E. magna.
Who is infected by E. stiedai?
Other, Rabbit.
Which sp. affects cattle?
E. zuernii.
What does a sporulated oocyst of E. stiedai contain?
Sporocyst.
What sp. of E. can appear as a merozoite in bloody faeces?
E. zuernii.
What kind of extra- intestinal symptoms can occur during E. infection in calves?
CNS signs.
In which sp. can you find E. intestinalis?
Rabbit.
What can you find in fresh faeces?
Unsporulated oocysts.
Coccidiosis infects Sus at what age?
8 - 15 days.
What is affected in coccidiosis of Car?
Small intestine.
What does the sporulated oocyst of E. steidai contain?
4 sporocysts each containing 2 sporozoites.
How many macrogametes develop from 1 µgamont?
21- 30.
How do you detect of E. zuernii in faeces?
Flotation test.
Sp. of E. found in the large intestine of rabbit?
E. piriformis + E. flavescens.
What is an unsporulated oocyst with regards to E.?
Zygote.
Which are the small intestine E. sp. in rabbit?
E. intestinalis, E. magna, E. irresidua.
How do we detect an unsporulated E. oocyst?
Flotation method.
What do we see clinically when a rabbit has E. steidai?
Subclinical infection.
What form of oocysts can be found in fresh faeces on course of E. steidai infection?
Unsporulated.
What form of E. zuernii might appear sometimes in mucous faeces of calves?
Schizonts/ merozoites.
At what age are rabbits most susceptible for intestinal E. infection?
1- 2 months.
Where does the sporogony E. zuernii take place?
In ext environment.
Where do calves usually get heavy infection with Coccidiosis?
In feed lots + yards.
Which methods is used for counting oocysts in faeces during an E. infection?
Mc Master method.
What is found in faeces of animals infected by E.?
Sporulated oocysts.
What is unsporulated?
Zygote.
What is the size of a Cryptosporidium oocyst?
5- 8 microns.
How can we characterize the host specificity of Cryptosporidia baileyi?
Euryxenous.
What organ is never involved into C. baileyi infection of poultry?
Liver.
Which organ is ø involved during a C. Baileyi infection of poultry?
Brain.
How do we detect usually the oocysts of Cryptosporidia in faeces?
With flotation.
Which animal sp. can be infected by Toxoplasma gondii?
Many mammals + birds.
How many sporocysts do Toxoplasma oocysts have?
2.
What kind of pathological signs can we see on the surface of placenta of aborted foetus by consequence of Toxoplasma infection?
Necrotic spots.
What method is ø applicable to detect Ab against Toxoplasma infection?
Polymerase chain reaction.
Which sp. of host of Toxoplasma do ø abort their foetus during infection?
Cat.
What is the size of Toxoplasma cyst that contains tachyzoites?
20 - 100 microns.
What is the sign that does ø appear in chronic form of Besnoitiosis of cattle?
Itching.
What type of Sarcocystis oocyst can be found in fresh faeces?
Sporulated form with 2 sporocysts.
What is the usual consequence of Sarcocystis in final host animals?
ø clinical signs.
What can we usually detect in faeces during Sarcocystiosis in definite host?
Sporocysts.
What is the most frequent clinical form of Sarcocystiosis of dog?
Subclinical.
What animals are susceptible for Besnoitia besnoiti?
more ssp of Ru.
Which is the method used to detect Cryptosporidium?
Kinyoun staining.
What method is ø used to detect Toxoplasma tachyzoites during infection?
IFAT staining.
Which genus has sporulated oocysts with 4 free sporozoites?
Cryptosporidium.
Which genus has sporulated oocysts without sporocysts?
Cryptosporidium.
What are the characteristics of Cryptosporidium meleagridis oocysts?
5 µm, spherical.
Which form is ø characteristic of avian Cryptosporidiosis?
Hepatic form.
Host range of Cryptosporidiosis?
Euryxenous.
Host range of Cryptosporidium baileyi?
Anseriform.
Which sp. of Cryptosporidium occurs in birds?
C. baileyi.
Where is Cryptospordiium mainly found?
Small intestine/ abomasum.
Which bird sp. are susceptible for C. baileyi infection?
Many sp.
What is the causative agent of Cryptosporidiosis in mammals?
C. muris.
Which parasite are homoxenous but ø host specific?
Cryptosporidium parvum.
What are the clinical signs for C. baileyi?
Dyspnoea + diarrhoea.
What are the characteristics of Cryptosporidium baileyi oocysts?
6- 7 µm, oval.
What form of Cryptosporidium can be found in fresh faeces?
Oocysts containing 4 sporozoites.
Which form of Cryptosporidiosis has the most severe outcome in broilers?
Respiratory.
In which location will Cryptosporidium baileyi ø establish?
Stomach.
Which is ø true?
Toxoplasma oocysts are 5- 8 µm.
Host range of Toxoplasmosis?
Cats, dogs, birds + humans + other mammals.
How can we characterize the life cycle of Toxoplasma gondii?
Facultative heteroxenous.
In which animal can we find Toxoplasma oocysts in faeces?
Cats.
What kind of host is the cat in Toxoplasma gondii?
Final/ Definitive Host.
For how long does a cat pass Toxoplasma occysts in faeces?
1- 2 weeks.
Which animals shed oocysts in Toxoplasmosis?
All sp. of cats as definitive/ final host.
What can be found in sporulated oocysts of Toxoplasmosis?
2 sporocysts each containing 4 sporozoites.
What is the patency period for Toxoplasmosis?
20 days.
Oocyst of Toxoplasma gondii is indistinguishable from that of?
Hammondia hammondi.
What is the size of Toxoplasma gondii cyst?
20 - 100 µm.
In which sp. does T. gondii cause necrotic foci + granuloma in liver, spleen, lungs, brain?
Rabbit.
Which clinical sign can be seen in dogs infected by Toxoplasma?
CNS symptoms.
What method is ø used to detect Toxoplasma tachyzoites during infection?
Sabin- Feldman dye test.
Besnoitia besnoiti sp. are?
Obligatory heteroxenous.
Which statement is ø true for Besnoitia besnoiti?
- It’s important intermediate host is cat.
- It can be transmitted by vectors, the cyst is visible to naked eye, develops in endothel.
What type of host of Sarcocystiosis can give the intestinal form of infection?
Final hosts- dog, cat, wild Car + man.
What is the Sarcocystiosis sp. of cattle among these following ones?
S. hirsuta.
What is the Sacrocystiosis sp. of sheep among these following ones?
S. gigantean.
What can be found in sections of vascular endothelium of heart, kidney in Sarcosporidiosis?
Grps of merozoites/ small schizonts.
Intestinal Sarcosporidiosis can occur in?
Dog, cat, wild Car + man.
Wheat- pea sized + greyish- yellow sarcocysts of.. are found in wall of oesophagus?
S. gigantea.
M. sarcosporidiosis can be found in?
Sheep, cattle, Sus, Eq, rabbit.
What does human need to ingest to get infected with Sarcocystiosis?
Cystozoites.
What is the vector of Hepatozoon canis?
Flea, Lice, Fly
Other.
What are the vertebrates susceptible for Babesiosis?
Birds + mammals.
What is the animal that may abort it’s foetus in consequence of Babesiosis:
Cattle.
What are the host that does ø show haemoglobinuria during Babesia- infection?
Eq.
What word is correct to describe certain form of Babesia?
Sporozoite.
What is the Babesia sp. that can infect dog among the following ones?
B. gibsoni.
In what cells does the Theileria begin to develop inside 1st vertebrate host?
Ly.
What is the sp. among the following ones that has ø any zoonotic significance?
Theileria annulata.
In what cells do Koch bodies occur?
Ly.
What is the correct term to describe the host preferences of Encephalitozoon?
Euryxenous.
What is the staining method that cannot be applied to detect Encephalitozoon spores in tissues?
Haematoxylin eosin staining.
Correct term for host range of Hepatozoonosis:
Obligate heteroxenous.
In which cells do gamonts of Hepatozoon develop?
Neu. gr.
Which symptom is ø present in dog affected with Babeosis:
Abortion.
In which animal does Babeosis infection affect the eyes?
Dog.
Which Babesia has zoonotic significance?
B. bingemina.
What is the difference between the cell preference of Babesia + Theileria?
Theileria can develop in Ly, Babesia does ø.
What is the sp. of Babesia that have zoonotic character?
B. divergens of cow.
What type of animals does Babeosis affect?
Mammals.
Babesia vogeli can infect:
Dogs.
Which cells does Babesia 1st infect?
RBCs.
Which sp. can occur in cattle?
B. divergans.
Which is “ small babesia”?
B. canis.
Form of Theileria that occurs in RBCs:
Piroplasm.
Theileria annulata is seen in which sp.?
Cattle.
What is the size of Koch bodies?
10 - 12 µm.
Koch bodies are:
Schizonts in WBCs.
Vertebrate animals susceptible to Encephalitozoonosis:
Many mammals.
Which staining can’t you use in detection of Encephalitozoa?
HE staining.
In Encephalitozoonosis, eye disorders are seen in which sp.?
Fox, dog.
During necropsy, thickened + nodular v in A. of viscera can be seen with the naked eye in:
Encephalitozoonosis.
Spore of E. cuniculi can be detected where in rabbits?
In urine.
What size are the Encephalitozoon spores?
1.5 x 2.5 m, elliptical/ oval.
Which staining used for Encephalitozoonosis?
Gram +ve.
What kind of organ is affected by Encephalitozoon cuniculi?
Kidney.
What is the name of the development for lice?
Epimorphosis.
How many nymphal stages do lice have?
3.
How long do blood sucking lice survive without host?
Some days only.
What is the blood sucking lice of cats?
ø exist.
Which hosts are blood sucking lice live on?
Mammals.
How many abd segments do lice have?
9.
1 of the anoplura louse sp. of cattle is Lignonathus?
Vituli.
What does a cocoon of a flea contain?
Pupa.
Which way do flea develop?
Holometamorphosis.
Which characteristic for a cat infected with fleas?
Miliary dermatitis.
How many larval stages do flea have?
3.
How big is an adult lice?
1- 14 mm.
Which gender are the biggest lice?
Female.
How are the eyes of the lice?
Reduced/ absent.
How many antennae does Amblycera/ Ischnocera have?
3- 5 segmented antennae.
How many antennae does Anoplura have?
5- segmented antennae.
how long do chewing/ biting lice survive without a host?
1- 2 weeks.
How do the lice spread?
By contact, phoresy.
Which suborder does Felicola subrostratus belong to?
Ichnocera ( chewing/ biting lice).
Which suborder does Solenopotes capillatus belong to?
Anoplura ( blood- sucking lice).
Which is the blood sucking lice of dogs?
Linognathus serosus.
Which is the blood sucking lice of sheep?
Linognathus stenopsis + ovillus + pedalis.
Which are the blood sucking lice of birds?
ø exist.
Which are the chewing/ biting lice of rabbits?
ø exist.
Which are the chewing/ biting lice of Sus?
ø exist.
Which are the chewing/ biting lice of humans?
ø exist.
What is the blood- sucking lice sp. of cattle?
Linognathus vituli, Hematopinus eurysternus, olenopotes capillatus.
How many spiracles do lice have?
6 pairs.
How many abd segments do fleas have?
10.
Genus of rat flea?
Xenopsylla cheopis.
Genus of human flea?
Tunga penetrans.
What is special about Tunga penetrans ( jigger)?
Only the male sucks blood.
Which is characteristic for a dog infected with fleas?
Hotspots on lumbosacral + gluteal region.
How big is an adult flea?
1- 6 mm.
How big are the eggs of flea?
0.5 mm.
In flea infestation, which are the clinical signs?
None.
How does fleas develop?
By holometamorphosis.
Choose the scientific name of horsefly sp.
Tabanus bromlus.
Choose the developmental cycle typical for bedbugs.
Epimetamorphosis.
Choose the developmental cycle typical for diphtherans.
Holometamorphosis.
These sp. never consume blood.
Fannia canicularis, Musca domestica, Muscina stabulans.
Both sexes are haematophagus.
Stomoxys calcitrans, Hematobius irritans.
How many nymphal stages do bugs have?
5.
What does pupa of bugs look like?
ø pupa.
What does the male bedbug feed on?
Blood.
Which bug causes anaemia?
Cimea lectularis ( bed bug).
Respiratory spiracles lay on:
Stigma plate.
How many nymphal stages are there in Darkling beetle?
None.
Diptera whose antenna has only 3 segments?
Tabanus.
Tsetse fly gives birth to:
1 fully- grown 3rd stage larvae.
Size of Tsetse fly:
6- 15 mm.
Which is the largest?
Tsetse.
Adult sp of this genus are always wingless?
Melophagus ovinus.
Which of the following does ø belong to mouthparts?
Antennae.
Their larvae are able to chew into solid materials?
Alphitobius diaperinus.
Development of Family Cullicidae:
( holo) metamorphosis.
Lifecycle of Heteroptera ( Hemiptera)?
Epimorphosis.
What is characteristic of Family Simuliidae?
Pupa is in a slipper- shaped cocoon that is reddish- brown.
Which grp pupates inside a cocoon capsule?
Simuliidae.
Which genus does ø belong to grp of mosquitoes?
Alphitobius.
Choose the insect grp where development in stagnant H2O is typical?
Mosquitoes.
Choose the grp where both sexes feed on blood.
Bedbugs.
Reduced wings are characteristic for?
Bedbugs.
Choose the insect that is ø haematophagous.
Lesser mealworm.
Choose the scientific name of a Blackfly sp.?
Simulium damnosum.
Mottled wings are characteristic for?
Biting midges.
Larvae + puparia of this sp. have lat projections.
Fannia.
Larvae of sp. of this genus are able to feed outside the adults?
Stomoxys.
Both sexes of this sp. consume blood?
Haematobia irritans.
Blowfly
lay eggs.
A freshfly lays
1st instars.
Hypoderma lineatum imagos feeds on
nothing.
1st stage larva of Hypoderma bovis migrate into the
Spinal canal.
Some of the mosquito’s sp. are?
Diurnal.
The female mosquitoes need blood for?
Ovarian development.
Most of the mosquitoes sp. are?
Nocturnal/ crepuscular.
What does the female mouthparts of mosquitoes have?
Piercing- sucking mouthparts ( fleshy labium), paired maxilla + mandibles, hypopharynx, labrum.
Which part of the mosquitoes is entering the skin?
Labrum.
Which part of the mosquitoes is ø entering the skin?
Fleshy labium.
How big are the mosquitoes?
2- 10 mm.
What is characteristic for the male mosquitoes?
Reduced/ absent maxilla.
How is the antenna in female mosquitoes?
Pilose ( hairy).
How is the antenna in male mosquitoes?
Plumose ( feathery).
How does the Anopheles look like?
Characteristically straight, acute angle with surface.
How does Culex, Aedes look like?
Bended at thorax + body is parallel with surface.
How do eggs of mosquitoes look like?
Elongated, ovoid, boat shaped.
Which mosquito lay eggs on H2O?
Anopheles.
Which mosquitoes lay eggs in grps?
Culex.
How many larval instars are there in still freshH2O Anopheles?
4.
How do the mummy- like pupae look like?
Comma- shaped, distinct cephalothorax + abdomen with respiratory trumpets.
Most of the sp. of Blackflies is?
Diurnal.
When is the Blackflies most active?
During the morning/ early evening.
How does the female Blackfly suck blood?
Lacerates tissues until a pool of blood is formed + then takes it up.
Which ones are sp. of Blackfly?
Simulium columbaschense + damnosum.
How are the eyes of the female Blackfly?
Distinctly separated ( dichoptic).
How are the eyes of male Blackfly?
Closer ( holoptic).
Where are the eggs of Blackfly laid?
In batches on stones/ vegetation near running H2O.
How many larval instars of Blackfly?
6- 9.
What is a clinical sign of Blackfly in cattle?
Acute syndrome: simuliotoxicosis.
What is characteristic for both sexes of Sandflies?
Feed on plant juices.
How is the colour of Sandfly?
Dull coloured.
How big is the Sandfly?
5 mm.
How are the wing veins of Sandfly?
Straight lines.
How are the eggs of Sandfly laid?
In cracks, burrows/ holes in ground.
How many larval instars does the Sandfly have?
4.
How big are the Biting midges?
1.5- 5mm.
How many larval instars do Biting midges have?
4.
What are the Muscoid flies called which is associated with man?
Synathropic.
What are the Muscoid flies called which is associated with stables?
Endophilic.
What are the Muscoid flies called which is associated with pastures?
Exophilic.
Which muscoid flies are exophilic?
Musca Automnalis + Hematobius Irritans.
What is in the 1st segment of Muscoid flies?
Inner cephalopharyngeal skeleton.
How many larval instars do Muscoid flies have?
3.
How is the shape of puparium of Muscoid flies?
Barrel shaped.
How big is the Musca domestica/ housefly?
7- 8 mm.
How many segments do larvae of Musca domestica/ housefly have?
12.
How many generations/ yr does the housefly have?
10- 30.
How big is the Fannia canicularis/ lesser housefly?
4- 6 mm.
What order does Fannia canicularis belong to?
Cyclorrhapha of Suborder Brachycera.
Which have a closed peritreme?
Blowfly.
How does the 1st 2 abd segments of Fannia canicularis/ lesser housefly look like?
Yellowish spots.
How big is the Stomoxys calcitrans/ stable fly?
6- 7mm.
How does the Stomoxys calcitrans/ stable fly attack their host?
On lower parts ( belly, limbs).
How big is Musca autumnalis/ facefly?
5- 7 mm.
Which sp. have biological + mechanical vector?
Musca autumnalis/ facefly.
What does the Musca autumnalis feed on?
Secretions around the eyes ( nose, mouth + wounds).
How big is the Haematobia irritans/ horn fly?
4 mm.
What does the horn fly cause?
Intense irritation + blood loss.
Larvae of Hypoderma lineatum migrate into?
Oesophagus.
Where do the Warble flies pupate?
On the ground.
Which one has a 3rd instar larvae called Warble/ grub?
None.
Which fly lays larvae on mammals?
Oestrus ovis.
Where can we find the larvae of O. ovis?
In nasal cavity.
Where does Gastrophilus nasalis finally develop?
Pylorus.
Where the Gasterophilus lays it’s egg?
On shoulders.
