Head length in Ct. canis is less than twice the height while in Ct. felis it is twice the height
In Ct. felis head with elongate sloping frons, while in Ct. canis head with rounded frons
Spine 1 of genal comb is shorter than spine 2 in Ct. canis, while spine 1 and 2 in Ct. felis are the same length
Head length in Ct. canis is less than twice the height while in Ct. felis it is five times the height
Spine 1 of genal comb is longer than spine 2 in Ct. canis, while spine 1 and 2 in Ct. felis are the same length
Head length in Ct. canis is less than twice the height while in Ct. felis it is five times the height
In Ct. felis head with horizontal sloping frons, while in Ct. canis head with rounded frons
Spine 1 of genal comb is longer than spine 2 in Ct. canis, while spine 1 and 2 in Ct. felis are very short
Questão 3
Questão
Identify this species of Siphonaptera
-identified by short thorax (Thorax distinctly shorter than the first abdominal segment)
-no pronotal or genal combs
-stay attached at single site
-not host specific
-common in hot dry areas
-other species occur on native mammals
Which species of lice are known to infect the sheep?
Responda
Linognathus ovillus
Damalinia ovis
Linognathus pedalis
Linognathus stenopsis
Damalinia caprae
Linognathus africanus
Questão 8
Questão
Which species of lice are known to infect the ox/cattle?
Responda
Linognathus vituli
Damalinia bovis
Haematopinus spp.
Solenopotes capillatus
Haematopinus asini
Damalinia equi
Questão 9
Questão
Which species of lice are known to infect the horse?
Responda
Haematopinus asini
Damalinia equi
Haematopinus suis
Linognathus vituli
Damalinia bovis
Haematopinus spp.
Questão 10
Questão
Identify this species of lice.
-Head broad, front usually rounded, sometimes triangular, usually as wide as or wider than the thorax
-small yellow louse
-feeds on stratum corneum
-can cause hypersensitivity
-irritation, rubbing leading to “pulled wool” and reduced wool production
-to find lice on sheep part wool and look
-lice are colonial and photophobic
Identify this species of lice.
-Has forward prolongations behind the antennae, marked paratergal plates and has one row of spines on each abdominal segment.
-Large blue louse on back and around butt of tail.