Myiasis fly recognition

Question 1

What fly is this?

Answer 1

Oestridae family - Hypoderma /warble fly

large, bumble bee like, one pair of wings

H.bovis and H.lineatum

egg- larvae- winter resting site - warble - pupa - adult

hide damage, gadding, meat loss

can pop out warbles but risk of anaphylaxis

either treat whilst larvae are migrating or after left winter resting sites

Question 2

What fly is this and what does it cause?

Answer 2

Calliphoridae family, Lucilia Serratica /greenbottle

medium sized, metallic sheen, clear wings

blowfly strike

a primary fly

egg - larva - pupa - adult

Question 3

What fly is this and what does it cause?

Answer 3

Calliphorida family - calliphora erythrocephala/vomitoria / blue bottle

secondary fly

blowfly strike

Question 4

what family of flies does this larvae belong to?

Answer 4

Calliphoridae flies

a blowfly larvae

smooth maggots, spiracles on tail used for ID

production losses

anorexic, isolate self, dark and damp fleece, foul smell

see maggots in skin lesions

control by dipping, mule op, tail docking, proper carcass disposal

Question 5

what type of myiasis causing worm is this?

Answer 5

Screw worm

obligate parasites

band of spines = screw

Cochliomyia + Chrysomya bezziana

Question 6

What fly is this and what do its larvae do?

Answer 6

Cochliomyia

screw worm myiasis

medium, metallic green/blue, clear wings

eggs in wound - larvae feed as colony - foul smelling lesion