Name: Group: 23 Phylum: Arthropoda; Subphylum: Chelicerata; class: Arachnida; order: Acari mites and ticks; sheep tick – Ixodes ricinus – larva, male Complete the picture by drawing the legs. What is the difference between a larval and an adult tick? Sketch in the margins of dorsal scutellum(dorsal shield) of the male. How is the sexual dimorphism expressed in ticks? Name 3 diseases transmitted by ticks. Magnification: 1000m
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Name: Group:
23
Phylum: Arthropoda; Subphylum: Chelicerata;
class: Arachnida; order: Acari mites and ticks;
sheep tick – Ixodes ricinus – larva, male
Complete the picture by drawing the legs.
What is the difference between a larval and an adult tick?
Sketch in the margins of dorsal scutellum(dorsal shield) of the male. How is the sexual
dimorphism expressed in ticks?
Name 3 diseases transmitted by ticks.
Magnification:
10
00
m
Name: Group:
24
sensory patch
chitinous laminae
chelicera
hypostome
pedipalp
Phylum: Arthropoda; Subphylum: Chelicerata;
class: Arachnida; order: Acari mites and ticks;
sheep tick – Ixodes ricinus - female
Sketch in the dorsal scutellum and stigmata (in ventral view). What is the food of most stages
of ticks?
Complete the picture of hypostome by adding details (in ventral view).
Notes:
Magnification:
dorsal view ventral view
10
00
m
10
00
m
50
0
m
Name: Group:
25
Phylum: Arthropoda; Subphylum: Chelicerata;
class: Arachnida; order: Acari mites and ticks;
Varroa destructor
Complete the picture by drawing abdomen and ventral scutellum.
Sketch in position of stigmata. What is their function?
What is this mite´s life strategy?
Notes:
Magnification:
Acarapsis woodi another
important honeybee pest.
10
00
m
Name: Group:
26
chelicerae
pedipalps
Imoportant parasite/commensal of humans: Demodex sp.
Phylum: Arthropoda; Subphylum: Chelicerata;
class: Arachnida; order: Acari mites and ticks;
Poultry mite Dermanyssus gallinae and Sarcoptes scabiei
Complete the pictures by drawing in the legs and compare the two species
(size of legs, body size).
What is the foraging strategy and diurnal activity of the poultry mite?
What are the hosts of S. scabiei, which organ is infected by this parasite?
What is the respiratory organ of Sarcoptes scabiei?