Diptera - intro, Stomoxys Calcitrans, Hydrotea Irritans, Musca Autmunalis and Tabanids Flashcards Preview

Parasitology - Ectoparasites > Diptera - intro, Stomoxys Calcitrans, Hydrotea Irritans, Musca Autmunalis and Tabanids > Flashcards

Flashcards in Diptera - intro, Stomoxys Calcitrans, Hydrotea Irritans, Musca Autmunalis and Tabanids Deck (33)
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1

What type of pathogen transmission do diptera use to transmit pathogens?

Mechanical pathogen transmission

2

What do muscids (in muscidae family) feed on?

Secretions
Some suck blood (other families are all blood sucking)

3

Give an example of a biting muscidae

Stomoxys calcitrans

4

Give examples of a non-biting muscidae

Hydrotea irritans
Musca autumnal
Musca domestica

5

Which diptera is known as the stable fly? Which animals does it affect?

Stomoxys Calcitrans
Mainly horses and cattle

6

What does stomoxys calcitrans feed on?

Blood

7

Where do stomoxys calcitrans rest, breed and lay eggs?

Rest on warm, unexposed surfaces
Breed inside barns/stables
Eggs laid in dung/straw/urine

8

How often is a new generation of stomoxys calcitrans?

Every 2-3 weeks

9

Where do stomoxys calcitrans prefer to feed? What do they cause?

Lower parts of animal (legs, flank)
Stamping feet, shivering skin, rapid head turn, tail swishing, gadding (restlessness/excitemnt)

10

How can stomoxys calcitrans be identified?

Long, thin proboscis
(For blood sucking)

11

Stomoxys calcitrans are vectors for which diseases?

Equine infectious anaemia
Trypanosomes (not UK)

12

What is known as the head fly? Which species is it mainly a problem in?

Hydrotea irritans
Most notorious pest, but not dramatic

13

Is hydrotea irritans biting or non-biting? What do they feed on? What type of mouthpart do they have?

Non-biting
Secretions
Sponging/rasping mouthparts

14

What species does hydrotea irritans pester?

Cattle (main)
Sheep
Horses
Man
Rabbits
Deer

15

Where are hydrotea irritans often found in cattle? What can they cause?

Udder
Mastitis

16

What is an animals response to hydrotea irritans?

Rapid head turn
Tail swishing

17

Is hydrotea irritans exophilic or endophilic? What pasture is it found in? Where are eggs laid?

Exophilic
Wooded pasture
Eggs laid on pasture soil

18

How many generations of flies are there each year fo hydrotea irritans? When are they most active?

One - in Summer
Warm humid days, late Summer

19

What are distinguishing features of hydrotea irritans?

Orange wing base
Green abdomen
Sponging/rasping mouthparts

20

What is known as the face fly? Which species does it affect?

Musca autmunalis
Nuisance in cattle, significant in hores

21

Where is musca autumnalis found?

Eyes
Muzzle
Face

22

Is musca autumnales endophilic or exophilic? Where do they lay eggs and develop?

Exophilic
Eggs in dung on pasture

23

What are distnguishing features of musca autmunalis?

No proboscis
Sponging mouthparts

24

When do populations of musca autumnalis build up?

Late Autumn

25

What diseases do Musca autumnalis spread?

Infectious bovine keratoconjuntivits (pink eye - caused by Moraxella bovid)
Eye problems in horses
Vector of eye and stomach worms

26

What species of fly is similar to Musca autumnalis? What is the difference between these?

Musca domestica
Is found inside accommodation, mainly a problem for housed pigs

27

Which flies are biting, non-muscidaes?

Tabanids

28

What are the 2 genera of Tabanids in the UK? How can you tell the difference between them?

Haematopota - mottled wings
Tabanus - large clear winga

29

What are the distinguishing features of Tabanids?

Bulging iridescent eyes
Large body
Large head
Stubby mouthparts
Mottled wings (Haematopota)
Large clear wings (Tabanus)

30

What mouthparts do Tabanids have? How often do they feed?

Biting - stubby
Blood pool feeders
Several small meals often