Difference between revisions of "Sarcoptes"
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| − | {{ | + | {{review}} |
| − | + | [[Image:Sarcoptes scabei.jpg|thumb|right|150px|''Sarcoptes scabei'' - Wikimedia Commons]] | |
| − | + | [[Image:Sarcoptes scabei 2.jpg|thumb|right|150px|''Sarcoptes scabei'' - Wikimedia Commons]] | |
| − | | | + | [[Image:Scabies human skin pruritis.jpg|thumb|right|150px|Scabies on human skin resulting in pruritis - Wikimedia Commons]] |
| − | | | + | |
| − | | | + | ==Recognition== |
| − | + | *Small, round mite | |
| − | | | + | *Short legs |
| − | + | **Project only a short distance from body margin | |
| − | |||
| − | [[Image:Sarcoptes scabei.jpg|thumb|right|150px|''Sarcoptes scabei'' - | ||
| − | [[Image: | ||
| − | == | ||
| − | + | *Dorsal spines | |
| + | **Arranged in rows | ||
| − | + | *Terminal anus | |
| − | + | *Male is about 250μm in length and the female about 400-430μm in length | |
==Life cycle== | ==Life cycle== | ||
| + | *'''3 week''' life cycle | ||
| + | |||
| + | *Female lays eggs in epidermis in an '''egg laying pocket''' | ||
| − | + | *Female feeds on liquid oozing from damaged tissue | |
| − | |||
| − | + | *The eggs hatch in 1 week | |
| − | + | *'''6 legged''' larvae released which crawl to skin surface | |
| − | + | *The larvae then burrow back into the epidermis into '''moulting pockets''' | |
| − | + | ||
| − | + | *Larvae moult to become '''8 legged''' nymphs | |
| − | + | ||
| − | + | *Nymphs moult twice before becoming adults | |
| + | |||
| + | *Adult males emerge and look for females to mate | ||
| − | |||
| − | + | Cause <big>'''[[Sarcoptic Mange]]</big> | |
| − | [[Category: | + | [[Category:Sarcoptic Mange]] |
| − | |||
Revision as of 20:48, 5 April 2010
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File:Scabies human skin pruritis.jpg
Scabies on human skin resulting in pruritis - Wikimedia Commons
Recognition
- Small, round mite
- Short legs
- Project only a short distance from body margin
- Dorsal spines
- Arranged in rows
- Terminal anus
- Male is about 250μm in length and the female about 400-430μm in length
Life cycle
- 3 week life cycle
- Female lays eggs in epidermis in an egg laying pocket
- Female feeds on liquid oozing from damaged tissue
- The eggs hatch in 1 week
- 6 legged larvae released which crawl to skin surface
- The larvae then burrow back into the epidermis into moulting pockets
- Larvae moult to become 8 legged nymphs
- Nymphs moult twice before becoming adults
- Adult males emerge and look for females to mate
Cause Sarcoptic Mange