Ticks & Spiders Flashcards
1
Q
- Genus?
- Sex?
- Reasons?
- Vector for which pathogens/diseases?
A
- Hyalomma
- Female (Left); Male (Right)
- Features:
* Incomplete (female) and complete (male) shields
* Inornate shields
* Striped legs
* Long mouth parts
* Presence of festoons - Diseases
* Crimean-Congo Hemorrhagic Fever
* Siberian Tick Typhus (Rickettsia sibirica)
2
Q
- Genus?
- Pathogencity?
- Geographic location?
A
- Latrodectus (Black/Brown Widow)
- Neurotoxic
- Worldwide except Antarctica
3
Q
- Genus?
- Pathogencity?
- Geographic location?
A
- Loxosceles (Recluse)
- Necrotoxic
- North and Central America
Nb Loxosceles only have 3 pairs of eyes
4
Q
- Genus?
- Sex?
- Reasons?
- Vector for which pathogens/diseases?
A
- Amblyomma
- Male (Left); Female (Right)
- Features:
* Partial (female) and complete (male) shields
* Ornate shields
* Presence of festoons
* Long mouth parts compared to rectangular basal capituli - Diseases
* Rickettsia africae (African Tick Bite Fever)
* Francisella tularensis (Tularemia)
* Ehrlichia spp (Ehrlichiosis)
* Rickettsia rickettsii (RMSF)
* Rickettsia conorii (MSF/Boutonneuse fever)
Amblyomma americanum (lone star tick)
5
Q
- Genus?
- Sex?
- Reasons?
- Vector for which pathogens/diseases?
A
- Amblyomma
- Male (right); Female (left)
- Features:
* Partial (female) and complete (male) shields
* Ornate shields
* Presence of festoons
* Long mouth parts compared to rectangular basal capituli - Diseases
* Rickettsia africae (African Tick Bite Fever)
* Francisella tularensis (Tularemia)
* Ehrlichia spp (Ehrlichiosis)
* Rickettsia rickettsii (RMSF)
* Rickettsia conorii (MSF/Boutonneuse fever)
Amblyomma variegatum (specific to ABTF)
6
Q
- Genus?
- Sex?
- Reasons?
- Vector for which pathogens/diseases?
A
- Hyalomma
- Female (Left); Male (Right)
- Features:
* Incomplete (female) and complete (male) shields
* Inornate shields
* Striped legs
* Long mouth parts
* Presence of festoons - Diseases
* Crimean-Congo Hemorrhagic Fever
* Siberian Tick Typhus (Rickettsia sibirica)
7
Q
- Genus?
- Sex?
- Reasons?
- Vector for which pathogens/diseases?
A
- Rhipicephalus (Brown Dog Tick)
- Female (left); Male (right)
- Features:
* Incomplete scutum (female); complete scutum (male)
* Inornate shield with eyes
* Festoons
* Short mouthparts compared to the hexagonal capituli - Diseases:
* Rickettsia ricketsii (RMSF)
* Rickettsia conorii (Meditteranean Spotted Fever/Boutonneuse Fever)
8
Q
- Genus?
- Pathogencity?
- Geographic location?
A
- Atrax or Hadronyche (Funnel Web Spider)
- Neurotoxic
- Australia
9
Q
- Genus?
- Sex?
- Reasons?
- Vector for which pathogens/diseases?
A
- Ixodes
- Female
- Features:
* Incomplete shield (scutum) - therefore female
* Long mouth parts
* Relatively inornate shields
* Lack of festoons - Diseases
* Borrelia burgdorferi (Lyme disease)
* Tick paralysis
* Babesia sp (Babesiosis)
* Ehrlichiosis (Ehrlichia)
* Anaplasma sp (Anaplasmosis)
10
Q
- Family?
- Genus?
- Reasons?
- Name one disease/pathogen transmitted by this tick?
A
- Argasidae
- Ornithodoros
- Features:
* Lack a dorsal shield
* No sexes/sexual dimorphism
* Mouth parts are hidden subterminally
* Rapid feeding and falling off host - Tick-borne relapsing fever e.g. Borrelia hermsi
11
Q
- Genus?
- Sex?
- Reasons?
- Vector for which pathogens/diseases?
A
- Rhipicephalus (Brown Dog Tick)
- Female
- Features:
* Complete shield - therefore male
* Inornate shield with eyes
* Festoons
* Short mouthparts compared to the hexagonal capituli - Diseases:
* Rickettsia ricketsii (RMSF)
* Rickettsia conorii (Meditteranean Spotted Fever/Boutonneuse Fever)
12
Q
- Genus?
- Sex?
- Reasons?
- Vector for which pathogens/diseases?
A
- Dermacentor
- Female
- Features
* Incomplete shield - therefore female
* Entirely ornate shield
* Presence of festoons
* Short mouth parts compared to basal capituli - Diseases
* Tick paralysis (toxin mediated)
* Francisella tularensis (Tularemia)
* Rickettsia rickettsii (RMSF)
13
Q
- Genus?
- Sex?
- Reasons?
- Vector for which pathogens/diseases?
A
- Hyalomma
- Female
- Features:
* Incomplete shield - therefore female
* Inornate shield
* Striped legs
* Long mouth parts
* Presence of festoons - Diseases
* Crimean-Congo Hemorrhagic Fever
* Siberian Tick Typhus (Rickettsia sibirica)
14
Q
- Family?
- Genus?
- Reasons?
- Name one disease/pathogen transmitted by this tick?
A
- Argasidae
- Ornithodoros
- Features:
* Lack a dorsal shield
* No sexes/sexual dimorphism
* Mouth parts are hidden subterminally
* Rapid feeding and falling off host - Tick-borne relapsing fever e.g. Borrelia hermsi
15
Q
- Genus?
- Sex?
- Reasons?
- Vector for which pathogens/diseases?
A
- Ixodes
- Male (Bottom); Female (Top)
- Features:
* Complete (male) and incomplete (female) shields
* Long mouth parts
* Relatively inornate shields
* Lack of festoons - Diseases
* Borrelia burgdorferi (Lyme disease)
* Tick paralysis
* Babesia sp (Babesiosis)
* Ehrlichiosis (Ehrlichia)
* Anaplasma sp (Anaplasmosis)