Haematobia Irritans Flashcards Preview

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Flashcards in Haematobia Irritans Deck (9):
1

common name

horn fly

2

hosts

cattle

3

size of adult

4mm

4

smallest of ____muscids

bloodsucking

5

life cycle

females lay eggs in feces
eggs hatch in a day
larvae mature to pupal
pupals produce adults
adults remain on cattle host

6

site of infection

back, sides, abdomen

7

pathogenesis

intense irritation- feed in thousands
impair milk production
transmit helminths

8

more than ____ flies leads to economic loss

200

9

treatment and prevention

apply parasiticides to host