Difference between revisions of "Arachnid Flashcards"

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||<big>Soft ticks feed <font color="white">'''''little and often'''''</font> and on <font color="white">'''''many hosts'''''</font>. Hard ticks take <font color="white">'''''one'''''</font> blood meal at each <font color="white">'''''life cycle stage'''''</font> and can feed on <font color="white">'''''one, two or three different hosts'''''</font> during their life cycle.
 
||<big>Soft ticks feed <font color="white">'''''little and often'''''</font> and on <font color="white">'''''many hosts'''''</font>. Hard ticks take <font color="white">'''''one'''''</font> blood meal at each <font color="white">'''''life cycle stage'''''</font> and can feed on <font color="white">'''''one, two or three different hosts'''''</font> during their life cycle.
 
||[[Suborder: Metastigmata, ticks#Life Cycle|<span title="Answer article">Link to Answer Article</span>]]
 
||[[Suborder: Metastigmata, ticks#Life Cycle|<span title="Answer article">Link to Answer Article</span>]]
 +
|-
 +
|<big>'''What is trans-ovarian transmission and give an example of a species of tick which uses this'''
 +
||<font color="white"> <big>
 +
*'''''Infection is passed from one generation of ticks to the next through the egg '''''
 +
*'''''Babesia'''''
 +
||[[Suborder: Metastigmata, ticks#Disease Transmission|<span title="Answer article">Link to Answer Article</span>]]
 +
|-
 +
|<big>'''What is trans-stadial transmission?'''
 +
||<font color="white"> <big>
 +
*'''''Parasite or microbial organism is ingested during feeding'''''
 +
*'''''Organism passed onto the next host as the tick develops (only in two and three host ticks)'''''
 +
*'''''It is not passed onto the next generation through the egg'''''
 +
||[[Suborder: Metastigmata, ticks#Disease Transmission|<span title="Answer article">Link to Answer Article</span>]]
 +
|-
 +
|<big>'''What is the most important tick species in the UK, how many hosts does it feed upon and what disease can it spread?'''
 +
||<font color="white"> <big>
 +
*'''''Ixodes species''''
 +
*'''''3 host tick'''''
 +
*'''''Transmits Lyme Disease'''''
 +
||[[Suborder: Metastigmata, ticks#Important UK Hard Ticks|<span title="Answer article">Link to Answer Article</span>]]
 +
|-
 +
|<big>'''What climate does Rhipicephalus species prefer and what is it a vector for?'''
 +
||<font color="white"> <big>
 +
*'''''Ixodes species''''
 +
*'''''3 host tick'''''
 +
*'''''Transmits Lyme Disease'''''
 +
||[[Suborder: Metastigmata, ticks#Important UK Hard Ticks|<span title="Answer article">Link to Answer Article</span>]]
 
|}
 
|}
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==<font color="purple">Mites</font>==
 
==<font color="purple">Mites</font>==

Revision as of 12:37, 7 January 2009

Infectious agents and parasitesWikiBugs Banner.png
ARTHROPODS
WIKIBUGS FLASHCARDS


Deer tick - Scott Bauer

Arachnids

Question Answer Article
What are the two divisions of the arachnid body?
  • Cephalo-thorax
  • Abdomen
 Link to Answer Article
Summarise the arachnid life cycle
  • Larvae emerge from the egg
  • Nymphal stage follows the larval stage
  • Nymph undergoes ecdyses forming the adult
 Link to Answer Article

Ticks

Question Answer Article
What are seed ticks?
  • Tick larvae
 Link to Answer Article
How can you differentiate hard ticks from soft ticks?
  • Soft ticks have no scutum
  • The mouthparts are not visible from the dorsal surface of soft ticks
  • Hard ticks have festoons
  • Hard ticks can be ornate
 Link to Answer Article
True or False: Soft ticks can swell up to three times their body size whilst taking a blood meal
  • False
  • Soft ticks feed little and often and cannot expand to three times their body size whilst feeding
  • Female hard ticks can swell up to three times their body size whilst engorging on a blood meal
 Link to Answer Article
List the mouthparts of ticks
  • Hypostome
  • Chelicerae
  • Palps
 Link to Answer Article
Fill in the missing words about soft and hard ticks Soft ticks feed little and often and on many hosts. Hard ticks take one blood meal at each life cycle stage and can feed on one, two or three different hosts during their life cycle. Link to Answer Article
What is trans-ovarian transmission and give an example of a species of tick which uses this
  • Infection is passed from one generation of ticks to the next through the egg
  • Babesia
 Link to Answer Article
What is trans-stadial transmission?
  • Parasite or microbial organism is ingested during feeding
  • Organism passed onto the next host as the tick develops (only in two and three host ticks)
  • It is not passed onto the next generation through the egg
 Link to Answer Article
What is the most important tick species in the UK, how many hosts does it feed upon and what disease can it spread?
  • Ixodes species'
  • 3 host tick
  • Transmits Lyme Disease
 Link to Answer Article
What climate does Rhipicephalus species prefer and what is it a vector for?
  • Ixodes species'
  • 3 host tick
  • Transmits Lyme Disease
 Link to Answer Article


Mites

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