Cattle flies (year 2) Flashcards
what are the biting muscidae that effect cattle?
Stomoxys calcitrans
Lyperosia irritans
Glossina spp.
where on the host is Lyperosia irritans found?
back
what are the morphological features of Lyperosia irritans?
large proboscis
small
resembles Stomoxys calcitrans
where do Lyperosia irritans lay eggs?
dung
when are the only times Lyperosia irritans leaves the host? (2)
mate
lay eggs
what can large numbers of Lyperosia irritans cause?
anaemia
when do the numbers of Lyperosia irritans peak?
summer
what are the morphological features of Stomoxys calcitrans?
prominent black proboscis
large chestnut eyes
where on the host does Stomoxys calcitrans feed?
legs
flanks
when do Stomoxys calcitrans peak?
late summer (generation every 3 weeks)
where is the larval breeding sites of Stomoxys calcitrans?
organic matter/urine soaked straw in accommodation
what diseases does Stomoxys calcitrans transmit?
West Nile virus
African swine fever
what is the hosts response to Stomoxys calcitrans?
stamping shivering rapid head turn tail swishing gadding
what are the morphological features of Glossina spp.?
6-14mm
yellow/brown
scissor like wings