ATHROPODS

Question 1

what is the order diptera

Answer 1

flies

Question 2

what is hydrotaea irritans and what are its key characteristics

Answer 2

muscidae
orange wing base, green abdo 5mm 
nuisance, secretion feeder
dz = august bag and broken head
appears in august, lives on pasture breeds in soil

Question 3

what is the proper name for the face fly, what does it look like and what does it do

Answer 3

musca autumnalis
grey-stripey
spreads infectious bovine kerato-conjuctivitsi

Question 4

what is characteristic of the muscidae family

Answer 4

4th wing vein ‘tick’

Question 5

name 7 blood-sucking flies

Answer 5

1. stomoxys calcitrans
2. lyperosa irritans
3. culicoides spp
4. simulium spp
5. haematopota
6. tabanids
7. tsetse

Question 6

what does stomoxys calcitrans (stable fly) spread

Answer 6

EIA
habronema
anthrax

Question 7

what is significant about stomoxys calcitrans breeding cf other muscidae flies

Answer 7

breeds indoor on poo - so clean up. it also likes sunny walls so spray it with SP

Question 8

what fly causes sweet itch and why and where

Answer 8

culicoides imicola
withers, tail, mane
digs with its proboscis to make a poor, allergic reaction to the saliva

Question 9

what is the proper name for the ‘horn fly’ and where does it breed

Answer 9

lyperosa iritans. outside

Question 10

which fly has irridescent eyes, loves to breed in wet areas, can both surface and blood feed and can transmit borrelia and trypanasomes

Answer 10

haematopota

Question 11

desc all relevant features about the tsetse fly

Answer 11

• both M/F blood feed
• viviparous to 1 x larvae (30d to mature)
• dz = trypanasomiasis (african sleeping sickness)
• has scissor wings

Question 12

which fly is responsible for transmitting onchocercia and leucocytozoon

Answer 12

simulium - black flies. clear wings and love flowing water - so makes sense that it spread river blindness..

Question 13

name 2 primary myiasis flies and one 2ry

Answer 13

1ry = hypoderma, lucilia sericata
2ry = calliphora spp (bluebottles)

Question 14

desc warble (hypderma) flies - host, lifecycle and dz caused

Answer 14

‘bumble-bee-like’
cattle
h. bovis lay 1 x egg on upper legs which burrow to epidural fat
h. lieatum lay a line on the lower leg and that burrows to the oesophogeal mucosa

Question 15

what stage hyperderma larvae forms the warble and what is gadding

Answer 15

L3

gadding - reaction of animal when L3 emerging

Question 16

what animal does lucilia sericata effect? desc the lifecycle

Answer 16

sheep
eggs laid on animal that is ill/scouring…
wi 8-12hrs eggs hatch and larvae start to feed
when 1cm + they pupate on ground/overwinter

Question 17

as a rule how do you treat fly issues

Answer 17

pour on SP to protect

IVM or MOX for any which anything inside them

Question 18

name the 2 main bot flies

Answer 18

oestrous ovis - sheep nasal bot

gastrophilus - horse bot x 3 spp

Question 19

where does g. intestinalis, nasalis and haemorrhoidaelis like to burrow into

Answer 19

intes - tongue
nasal - mandible
haemorrh - lips

Question 20

where is the margo plicatus and what like it

Answer 20

area inbw glandular and non-glan mucosa of stomach in H

g. intestinalis L3 love it