Changes

Jump to navigation Jump to search
4,416 bytes removed ,  01:11, 20 February 2010
no edit summary
Line 1: Line 1:  
{{toplink
 
{{toplink
|backcolour = f5fffa
   
|linkpage =Arthropods
 
|linkpage =Arthropods
 
|linktext =ARTHROPODS
 
|linktext =ARTHROPODS
Line 8: Line 7:  
}}
 
}}
 
[[Image:Deer tick.jpg|thumb|right|150px|Deer tick - Scott Bauer]]
 
[[Image:Deer tick.jpg|thumb|right|150px|Deer tick - Scott Bauer]]
 
+
===Arachnids===
==<font color="purple">Arachnids</font>==
+
<FlashCard questions="2">
{| border="3" cellpadding="8"
+
|q1=What are the two divisions of the arachnid body?
!width="400"|'''Question'''
+
|a1=
!width="400"|'''Answer'''
+
*Cephalo-thorax
!width="150"|'''Article'''
+
*Abdomen
|-
+
|l1=Arachnida#Structure and Function
|<big>'''What are the two divisions of the arachnid body?'''
+
|q2=Summarise the arachnid life cycle
||<font color="white"> <big>
+
|a2=
*'''''Cephalo-thorax'''''
+
*Larvae emerge from the egg
*'''''Abdomen'''''
+
*Nymphal stage follows the larval stage
||[[Arachnida#Structure and Function|<span title="Answer article">Link to Answer Article</span>]]
+
*Nymph undergoes ecdyses forming the adult
|-
+
|l2=Arachnida#Life Cycle
|<big>'''Summarise the arachnid life cycle'''
+
</FlashCard>
||<font color="white"> <big>
+
===Ticks===
*'''''Larvae emerge from the egg'''''
+
<FlashCard questions="11">
*'''''Nymphal stage follows the larval stage'''''
+
|q1=What are seed ticks?
*'''''Nymph undergoes ecdyses forming the adult'''''
+
|a1=Tick larvae
||[[Arachnida#Life Cycle|<span title="Answer article">Link to Answer Article</span>]]
+
|l1=Arachnida#Life Cycle
|}
+
|q2=How can you differentiate hard ticks from soft ticks?
 
+
|a2=
==<font color="purple">Ticks</font>==
+
*Soft ticks have no scutum
{| border="3" cellpadding="8"
+
*The mouthparts are not visible from the dorsal surface of soft ticks
!width="400"|'''Question'''
+
*Hard ticks have festoons
!width="400"|'''Answer'''
+
*Hard ticks can be ornate
!width="150"|'''Article'''
+
|l2=Suborder: Metastigmata, ticks#Morphology
|-
+
|q3=True or False: Soft ticks can swell up to three times their body size whilst taking a blood meal
|<big>'''What are seed ticks?'''
+
|a3=
||<font color="white"> <big>
+
*False
*'''''Tick larvae'''''
+
*Soft ticks feed little and often and cannot expand to three times their body size whilst feeding
||[[Arachnida#Life Cycle|<span title="Answer article">Link to Answer Article</span>]]
+
*Female hard ticks can swell up to three times their body size whilst engorging on a blood meal
|-
+
|l3=Suborder: Metastigmata, ticks#Morphology
|<big>'''How can you differentiate hard ticks from soft ticks?'''
+
|q4=List the mouthparts of ticks
||<font color="white"> <big>
+
|a4=
*'''''Soft ticks have no scutum'''''
+
*Hypostome
*'''''The mouthparts are not visible from the dorsal surface of soft ticks'''''
+
*Chelicerae
*'''''Hard ticks have festoons'''''
+
*Palps
*'''''Hard ticks can be ornate'''''
+
|l4=Suborder: Metastigmata, ticks#Mouthparts
||[[Suborder: Metastigmata, ticks#Morphology|<span title="Answer article">Link to Answer Article</span>]]
+
|q5=Fill in the missing words about soft and hard ticks:
|-
+
<p>Soft ticks feed ??? and on ??? hosts. Hard ticks take ??? at each life cycle stage and can feed on ??? different hosts during their life cycle.</p>
|<big>'''True or False: Soft ticks can swell up to three times their body size whilst taking a blood meal'''
+
|a5=
||<font color="white"> <big>
+
*little and often
*'''''False'''''
+
*many
*'''''Soft ticks feed little and often and cannot expand to three times their body size whilst feeding'''''
+
*one blood meal
*'''''Female hard ticks can swell up to three times their body size whilst engorging on a blood meal'''''
+
*one, two or three
||[[Suborder: Metastigmata, ticks#Morphology|<span title="Answer article">Link to Answer Article</span>]]
+
|l5=Suborder: Metastigmata, ticks#Life Cycle
|-
+
|q6=What is trans-ovarian transmission and give an example of a species of tick which uses this
|<big>'''List the mouthparts of ticks'''
+
|a6=
||<font color="white"> <big>
+
*Infection is passed from one generation of ticks to the next through the egg
*'''''Hypostome'''''
+
*Babesia
*'''''Chelicerae'''''
+
|l6=Suborder: Metastigmata, ticks#Disease Transmission
*'''''Palps'''''
+
|q7=What is trans-stadial transmission?
||[[Suborder: Metastigmata, ticks#Mouthparts|<span title="Answer article">Link to Answer Article</span>]]
+
|a7=
|-
+
*Parasite or microbial organism is ingested during feeding
|<big>'''Fill in the missing words about soft and hard ticks'''
+
*Organism passed onto the next host as the tick develops (only in two and three host ticks)
||<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.
+
*It is not passed onto the next generation through the egg
||[[Suborder: Metastigmata, ticks#Life Cycle|<span title="Answer article">Link to Answer Article</span>]]
+
|l7=Suborder: Metastigmata, ticks#Disease Transmission
|-
+
|q8=What is the most important tick species in the UK, how many hosts does it feed upon and what disease can it spread?
|<big>'''What is trans-ovarian transmission and give an example of a species of tick which uses this'''
+
|a8=
||<font color="white"> <big>
+
*Ixodes species
*'''''Infection is passed from one generation of ticks to the next through the egg '''''
+
*3 host tick
*'''''Babesia'''''
+
*Transmits Lyme Disease
||[[Suborder: Metastigmata, ticks#Disease Transmission|<span title="Answer article">Link to Answer Article</span>]]
+
|l8=Suborder: Metastigmata, ticks#Important UK Hard Ticks
|-
+
|q9=What climate does Rhipicephalus species prefer and what is it a vector for?
|<big>'''What is trans-stadial transmission?'''
+
|a9=
||<font color="white"> <big>
+
*Warmer climates
*'''''Parasite or microbial organism is ingested during feeding'''''
+
*Theileria parva for East Coast Fever
*'''''Organism passed onto the next host as the tick develops (only in two and three host ticks)'''''
+
*Babesia bigemina
*'''''It is not passed onto the next generation through the egg'''''
+
*Babesia canis and Ehrlichia canis
||[[Suborder: Metastigmata, ticks#Disease Transmission|<span title="Answer article">Link to Answer Article</span>]]
+
|l9=Suborder: Metastigmata, ticks#Important Overseas Hard Ticks
|-
+
|q10=Name some important soft ticks
|<big>'''What is the most important tick species in the UK, how many hosts does it feed upon and what disease can it spread?'''
+
|a10=
||<font color="white"> <big>
+
*Argas species
*'''''Ixodes species'''''
+
*Ornithodorus species
*'''''3 host tick'''''
+
*Otobius species
*'''''Transmits Lyme Disease'''''
+
|l10=Suborder: Metastigmata, ticks#Important Overseas Soft Ticks
||[[Suborder: Metastigmata, ticks#Important UK Hard Ticks|<span title="Answer article">Link to Answer Article</span>]]
+
|q11=
|-
+
*What are the main methods of tick control?
|<big>'''What climate does Rhipicephalus species prefer and what is it a vector for?'''
+
*Killing ticks on the ground
||<font color="white"> <big>
+
*Separate the host from infection
*'''''Warmer climates'''''
+
*Killing ticks on the host
*'''''Theileria parva for East Coast Fever'''''
+
*Enhancing stock resistance
*'''''Babesia bigemina'''''  
+
|l11=Suborder: Metastigmata, ticks#Control
*'''''Babesia canis and Ehrlichia canis'''''
+
</FlashCard>
||[[Suborder: Metastigmata, ticks#Important Overseas Hard Ticks|<span title="Answer article">Link to Answer Article</span>]]
+
===Mites===
|-
+
<FlashCard questions="19">
|<big>'''Name some important soft ticks'''
+
|q1=How many pairs of legs do adult and nymph mites have respectively?
||<font color="white"> <big>
+
|a1=
*'''''Argas species'''''
+
*Adults have 4 pairs of legs
*'''''Ornithodorus species'''''
+
*Nymphs have 3 pairs of legs
*'''''Otobius species'''''
+
|l1=Suborder: Astigmata, astigmatid mites#Astigmata Introduction
||[[Suborder: Metastigmata, ticks#Important Overseas Soft Ticks|<span title="Answer article">Link to Answer Article</span>]]
+
|q2=What is the main feature which distinguishes burrowing mites from non-burrowing mites?
|-
+
|a2=
|<big>'''What are the main methods of tick control?'''
+
*Burrowing mites have short legs which project only a small distance from the body
||<font color="white"> <big>
+
*Non-burrowing mites have longer legs
*'''''Killing ticks on the ground'''''
+
|l2=Suborder: Astigmata, astigmatid mites#Sarcoptidae
*'''''Separate the host from infection'''''
+
|q3=Is ''Sarcoptes'' as burrowing or non-burrowing mite?
*'''''Killing ticks on the host'''''
+
|a3=Buurrowing
*'''''Enhancing stock resistance'''''
+
|l3=Suborder: Astigmata, astigmatid mites#Sarcoptidae
||[[Suborder: Metastigmata, ticks#Control|<span title="Answer article">Link to Answer Article</span>]]
+
|q4=What clinical signs present in an infection caused by ''Sarcoptes'' mites?
|}
+
|a4=
 
+
*Erythema with papule formation
==<font color="purple">Mites</font>==
+
*Intense pruritis
{| border="3" cellpadding="8"
+
*Wrinkling and thickening of the skin
!width="400"|'''Question'''
+
*Scabies
!width="400"|'''Answer'''
+
*Rash may present if a hypersensitivity reaction develops
!width="150"|'''Article'''
+
|l4=Suborder: Astigmata, astigmatid mites#Sarcoptidae
|-
+
|q5=Which species are affected by ''Knemidocoptes'' mites?
|<big>'''How many pairs of legs do adult and nymph mites have respectively?'''
+
|a5=Avians
||<font color="white"> <big>
+
|l5=Suborder: Astigmata, astigmatid mites#Knemidocoptes
*'''''Adults have 4 pairs of legs'''''
+
|q6=What are the three main species of ''Knemidocoptes'' mites and what conditions do they cause?
*'''''Nymphs have 3 pairs of legs'''''
+
|a6=
||[[Suborder: Astigmata, astigmatid mites#Astigmata Introduction|<span title="Answer article">Link to Answer Article</span>]]
+
*K. mutans
|-
+
**Causes scaly leg
|<big>'''What is the main feature which distinguishes burrowing mites from non-burrowing mites?'''
+
*K. gallinae
||<font color="white"> <big>
+
**Causes depluming itch
*'''''Burrowing mites have short legs which project only a small distance from the body'''''
+
*K. pilae
*'''''Non-burrowing mites have longer legs'''''
+
**Causes scaly face and beak
||[[Suborder: Astigmata, astigmatid mites#Sarcoptidae|<span title="Answer article">Link to Answer Article</span>]]
+
|l6=Suborder: Astigmata, astigmatid mites#Knemidocoptes
|-
+
|q7=Which species do ''Trixacarus'' mites affect and how long can it take before the infection causes death?
|<big>'''Is ''Sarcoptes'' as burrowing or non-burrowing mite?'''
+
|a7=
||<font color="white"> <big>
+
*Labaratory rodents
*'''''Buurrowing'''''
+
**3-4 months after infection
||[[Suborder: Astigmata, astigmatid mites#Sarcoptidae|<span title="Answer article">Link to Answer Article</span>]]
+
|l7=Suborder: Astigmata, astigmatid mites#Trixacarus
|-
+
|q8=What shape are ''Demodex'' mites?
|<big>'''What clinical signs present in an infection caused by ''Sarcoptes'' mites?'''
+
|a8=Cigar shaped
||<font color="white"> <big>
+
|l8=Suborder: Astigmata, astigmatid mites#Demodex
*'''''Erythema with papule formation'''''
+
|q9=What are the two types of demodecosis caused by ''Demodex'' mites?
*'''''Intense pruritis'''''
+
|a9=
*'''''Wrinkling and thickening of the skin'''''
+
*Pustular
*'''''Scabies'''''
+
**Skin invasion by ''Stapylococcus''.
*'''''Rash may present if a hypersensitivity reaction develops'''''
+
**More serious infection
||[[Suborder: Astigmata, astigmatid mites#Sarcoptidae|<span title="Answer article">Link to Answer Article</span>]]
+
*Squamous
|-
+
**Dry reaction
|<big>'''Which species are affected by ''Knemidocoptes'' mites?'''
+
**Less serious
||<font color="white"> <big>
+
|l9=Suborder: Astigmata, astigmatid mites#Demodex
*'''''Avians'''''
+
|q10=What species do ''Notoedres'' mites affect?
||[[Suborder: Astigmata, astigmatid mites#Knemidocoptes|<span title="Answer article">Link to Answer Article</span>]]
+
|a10=
|-
+
*Cats
|<big>'''What are the three main species of ''Knemidocoptes'' mites and what conditions do they cause?'''
+
*Rats
||<font color="white"> <big>
+
*Humans
*'''''K. mutans'''''
+
*Rabbits
**'''''Causes scaly leg'''''
+
*Tropical bats
*'''''K. gallinae'''''
+
|l10=Suborder: Astigmata, astigmatid mites#Notoedres
**'''''Causes depluming itch'''''
+
|q11=What are the main species of non-burrowing mites of veterinary importance?
*'''''K. pilae'''''
+
|a11=
**'''''Causes scaly face and beak'''''
+
*Chorioptes
||[[Suborder: Astigmata, astigmatid mites#Knemidocoptes|<span title="Answer article">Link to Answer Article</span>]]
+
*Psoroptes
|-
+
*Otodectes
|<big>'''Which species do ''Trixacarus'' mites affect and how long can it take before the infection causes death?'''
+
*Cheyletiella
||<font color="white"> <big>
+
*Dermanyssus
*'''''Labaratory rodents'''''
+
*Ornithonyssus
**'''''3-4 months after infection'''''
+
*Trombicula
||[[Suborder: Astigmata, astigmatid mites#Trixacarus|<span title="Answer article">Link to Answer Article</span>]]
+
*Leporacarus
|-
+
*Varroa
|<big>'''What shape are ''Demodex'' mites?'''
+
*Forage mites
||<font color="white"> <big>
+
|l11=Suborder: Astigmata, astigmatid mites#Non-Burrowing Mites
*'''''Cigar shaped'''''
+
|q12=Do ''Psoroptes'' mites have segmented or unsegmented pedicles?
||[[Suborder: Astigmata, astigmatid mites#Demodex|<span title="Answer article">Link to Answer Article</span>]]
+
|a12=Segmented
|-
+
|l12=Suborder: Astigmata, astigmatid mites#Psoroptes
|<big>'''What are the two types of demodecosis caused by ''Demodex'' mites?'''
+
|q13=What are the two main ''Psoroptes'' mites of veterinary importance?
||<font color="white"> <big>
+
|a13=
*'''''Pustular'''''
+
*P. cuniculi
**'''''Skin invasion by ''Stapylococcus''.'''''
+
**Affects labaratory and pet rabbits
**'''''More serious infection'''''
+
*P. ovis
*'''''Squamous'''''
+
**Causes sheep scab
**'''''Dry reaction'''''
+
|l13=Suborder: Astigmata, astigmatid mites#Psoroptes
**'''''Less serious'''''
+
|q14=Do ''Chorioptes'' mites have segmented or unsegmented pedicles and what is the main species of veterinary importance?
||[[Suborder: Astigmata, astigmatid mites#Demodex|<span title="Answer article">Link to Answer Article</span>]]
+
|a14=
|-
+
*Unsgmented
|<big>'''What species do ''Notoedres'' mites affect?'''
+
*C. bovis
||<font color="white"> <big>
+
|l14=Suborder: Astigmata, astigmatid mites#Psoroptes
*'''''Cats'''''
+
|q15=Which non-burrowing mite causes otitis externa in dogs?
*'''''Rats'''''
+
|a15=Otodectes cynotis
*'''''Humans'''''
+
|l15=Suborder: Astigmata, astigmatid mites#Otodectes cynotis
*'''''Rabbits'''''
+
|q16=Which non-burrowing mite causes walking dandruff?
*'''''Tropical bats'''''
+
|a16=Cheyleteilla
||[[Suborder: Astigmata, astigmatid mites#Notoedres|<span title="Answer article">Link to Answer Article</span>]]
+
|l16=Suborder: Astigmata, astigmatid mites#Cheyletiella sp.
|-
+
|q17=What is ''Dermanyssus gallinae'' better known as and does it spend most of its time on or off its host species?
|<big>'''What are the main species of non-burrowing mites of veterinary importance?'''
+
|a17=
||<font color="white"> <big>
+
*The poultry red mite
*'''''Chorioptes'''''
+
*Spends most of its time off of the host
*'''''Psoroptes'''''
+
|l17=Suborder: Astigmata, astigmatid mites#Dermanyssus gallinae
*'''''Otodectes'''''
+
|q18=Which mites are often found in feed stores and bedding and what problems do they cause?
*'''''Cheyletiella'''''
+
|a18=
*'''''Dermanyssus'''''
+
*Forage mites
*'''''Ornithonyssus'''''
+
*Causes respiratory distrubances and skin reactions
*'''''Trombicula'''''
+
|l18=Suborder: Astigmata, astigmatid mites#Forage Mites
*'''''Leporacarus'''''
+
|q19=To which industry do ''Varroa destructor'' pose a major problem?
*'''''Varroa'''''
+
|a19=Honeybee farming
*'''''Forage mites'''''
+
|l19=Suborder: Astigmata, astigmatid mites#Varroa destructor
||[[Suborder: Astigmata, astigmatid mites#Non-Burrowing Mites|<span title="Answer article">Link to Answer Article</span>]]
+
</FlashCard>
|-
  −
|<big>'''Do ''Psoroptes'' mites have segmented or unsegmented pedicles?'''
  −
||<font color="white"> <big>
  −
*'''''Segmented'''''
  −
||[[Suborder: Astigmata, astigmatid mites#Psoroptes|<span title="Answer article">Link to Answer Article</span>]]
  −
|-
  −
|<big>'''What are the two main ''Psoroptes'' mites of veterinary importance?'''
  −
||<font color="white"> <big>
  −
*'''''P. cuniculi'''''
  −
**'''''Affects labaratory and pet rabbits'''''
  −
*'''''P. ovis'''''
  −
**'''''Causes sheep scab'''''
  −
||[[Suborder: Astigmata, astigmatid mites#Psoroptes|<span title="Answer article">Link to Answer Article</span>]]
  −
|-
  −
|<big>'''Do ''Chorioptes'' mites have segmented or unsegmented pedicles and what is the main species of veterinary importance?'''
  −
||<font color="white"> <big>
  −
*'''''Unsgmented'''''
  −
*'''''C. bovis'''''
  −
||[[Suborder: Astigmata, astigmatid mites#Psoroptes|<span title="Answer article">Link to Answer Article</span>]]
  −
|-
  −
|<big>'''Which non-burrowing mite causes otitis externa in dogs?'''
  −
||<font color="white"> <big>
  −
*'''''Otodectes cynotis'''''
  −
||[[Suborder: Astigmata, astigmatid mites#Otodectes cynotis|<span title="Answer article">Link to Answer Article</span>]]
  −
|-
  −
|<big>'''Which non-burrowing mite causes walking dandruff?'''
  −
||<font color="white"> <big>
  −
*'''''Cheyleteilla'''''
  −
||[[Suborder: Astigmata, astigmatid mites#Cheyletiella sp.|<span title="Answer article">Link to Answer Article</span>]]
  −
|-
  −
|<big>'''What is ''Dermanyssus gallinae'' better known as and does it spend most of its time on or off its host species?'''
  −
||<font color="white"> <big>
  −
*'''''The poultry red mite'''''
  −
*'''''Spends most of its time off of the host'''''
  −
||[[Suborder: Astigmata, astigmatid mites#Dermanyssus gallinae|<span title="Answer article">Link to Answer Article</span>]]
  −
|-
  −
|<big>'''Which mites are often found in feed stores and bedding and what problems do they cause?'''
  −
||<font color="white"> <big>
  −
*'''''Forage mites'''''
  −
*'''''Causes respiratory distrubances and skin reactions'''''
  −
||[[Suborder: Astigmata, astigmatid mites#Forage Mites|<span title="Answer article">Link to Answer Article</span>]]
  −
|-
  −
|<big>'''To which industry do ''Varroa destructor'' pose a major problem?'''
  −
||<font color="white"> <big>
  −
*'''''Honeybee farming'''''
  −
||[[Suborder: Astigmata, astigmatid mites#Varroa destructor|<span title="Answer article">Link to Answer Article</span>]]
  −
|}
 

Navigation menu