「Acarology」の版間の差分
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| 41行目: | 41行目: | ||
==chigger mite== | ==chigger mite== | ||
*0.15 - 0.3 mm | *0.15 - 0.3 mm | ||
| − | *transovarial transmission of ''Orientia tsutsugamushi'' | + | *[https://en.wikipedia.org/wiki/Transstadial_transmission transovarial transmission] of ''Orientia tsutsugamushi'' |
*"co-feeding" multiple chigger mites aggregate on skin of mammals | *"co-feeding" multiple chigger mites aggregate on skin of mammals | ||
==scabies mite== | ==scabies mite== | ||
* | * | ||
2021年5月21日 (金) 10:08時点における版
目次
classification and morphology
- acari
- tick > 1mm
- hard ticks Ixodidae
- soft ticks Argasidae
- Nuttalliellidae
- mite < 1mm
- scrub typhus mite, Chigger mite Trombiculidae
- scabies mite Sarcoptidae
- house dust mite Pyroglyphidae
- tick > 1mm
- only 1 body part
- front end part is not head, but mouth
- adult 8 legs, larvae 6 legs
- breathe through body surface
- stigmata (respiratory hole)
- prostigmata
- astigmata
- mesostigmata
- metastigmata
- whole surface by diffusion
- tick living in 400m depth of seawater
- stigmata (respiratory hole)
tick
- eyes are on frontal edge near the roots of the first pair of legs
- scutum (hard shell)
- covers whole back of male
- covers only frontal part of female by which female can pool mammal blood
- parity
- hard tick is semelparity (single oviposition)
- soft tick is iteroparity (multiple ovopositions)
- tick live years, mostly 2-3 years, at longest 7 years
- transstadial transmission of rickettsia, bacteria or virus
environmental tick control
- alternate environment to destroy ticks' habitat
- clean up ground cover
chigger mite
- 0.15 - 0.3 mm
- transovarial transmission of Orientia tsutsugamushi
- "co-feeding" multiple chigger mites aggregate on skin of mammals
