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Sarcoptes scabiei
Skabmide (gravetypen) (Sarcoptic/"burrowing" mange mite)
Order: Acarina: Mites and ticks | Suborder: Sarcoptiformes: Mange mites.
Specific morphology: Female (length: 0.5 mm), leg pairs 1 and 2 have suckers. A large mite egg (about 0.1 mm) may be seen centrally.
Specific morphology: Male (length: 0.2 mm). Leg pairs 1, 2 and 4 have suckers.
 
         
Hosts: All domestic mammals - of particular importance in pigs and canids.
Location: In swine, piglets have these mites all over the body, whereas on older pigs they are found especially in ears and distally on legs.
Causes mange.
General morphology of Sarcoptes spp.: Burrowing mite (da: gravemidetype). Small, round body (length: 0.2-0.5 mm), whitish. Adults have 4 pairs of short legs. The sucker-bearing pairs of legs have unjointed pedicels - a specific Sarcoptes character! Leg pairs 1 and 2 extend beyond the body margin. Leg pairs 3 and 4 are only visible from ventral view. Short rounded mouthparts. The dorsal surface covered with transverse ridges and bears numerous triangular chitinous scales and some spiny setae. Morphological distinction of host-specific varieties impossible!
Photo: Jesper Monrad
© Department of Veterinary Disease Biology 2011
Faculty of Health and Medical Sciences - University of Copenhagen
Denmark